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Archive: Friday, September 11, 2026.

Plain versions of the NWS discussions issued that day. wxexplained wasn't running yet: they were written later (Fri Nov 6) from the NWS text, the same way and with the same checks. This is not the current forecast. Today's forecast

Alerts

Out that day

Not recorded: wxexplained began keeping NWS alerts on November 6, 2026. See the NWS discussion below for the watches and warnings it listed.

4 versions of the page that day, oldest first.

From the discussion of 11:07 p.m. Thu Sep 10, current when the day began

Dense Fog Advisory for parts of Missouri until 10 AM Friday; marginal risk of severe storms Saturday afternoon into Saturday night across the area.

From the NWS discussion issued 11:07 p.m. Thu Sep 10.

The forecast

  • Tonight into Friday morning (Most of the area for fog; densest in central Missouri along and east of the Highway 65 corridor): Light winds and mostly clear skies will let fog form over most of the area. Thickest fog is most likely in central Missouri along and east of Highway 65. Lows in the upper 50s to mid 60s.
  • Friday afternoon: Warmer, with highs in the low to mid 80s.
  • Saturday: A few chances for storms. The strongest round is expected in the afternoon and evening and could bring large hail and damaging winds. Highs in the 80s.
  • Sunday: More chances for showers and thunderstorms continue through Sunday. Highs in the 80s.
  • Sunday night and Monday: Looks to be mainly dry, with Monday highs warming to the mid 80s to lower 90s.
  • Monday night through Wednesday (Whole area for storms; temperatures differ north (and northwest) versus south): Current models suggest a slow-moving cold front will stall over the area, bringing several rounds of showers and thunderstorms. Tuesday highs: mid 70s in the northwest, upper 80s to near 90 in the south. Wednesday: near 70 north to mid 80s south.

How sure forecasters were

Forecasters say confidence is low on where next week's heavy rain will set up. The stalled front next week is what current models suggest. The discussion doesn't say how sure it is about other days.

Read the NWS wording
providing light winds and mostly clear skies
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
will allow fog to develop over most of the CWA
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
The best potential for dense fog will be across central Missouri along and east of the Highway 65 corridor overnight into tomorrow morning
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Low temperatures are forecast to drop into the upper 50s to mid 60s
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
This will allow highs to rise into the low to mid 80s.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
will provide a few chances for storms
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
during the afternoon and evening hours
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
capable of producing strong storms capable of large hail and damaging winds
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Highs Saturday and Sunday will be in the 80s.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
through Sunday continuing shower and thunderstorm chances
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Sunday night and Monday look to be mainly dry across the area as the local area falls under the periphery of an upper level ridge that will become more amplified over the southeastern CONUS.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
This will allow temperatures to warm into to the mid 80s to lower 90s on Monday.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Secondly, it will force an attendant slow moving cold front into the area.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Current model solutions suggest this front will stall over the area and be the focus for several rounds of showers and thunderstorms to develop over the area on Monday night through Wednesday as additional shortwaves move through the area on zonal flow aloft.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Highs on Tuesday are forecast to be in the mid 70s over the northwest CWA but in the upper 80s to near 90 south.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Wednesday, highs will range from near 70 north to the mid 80s south.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Confidence is low with the geographical placement of this heavy rainfall potential at this time.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10

What to watch

Dense Fog Advisory

Tonight until 10 AM CDT Friday (Parts of Missouri listed by the NWS (best chance of dense fog in central Missouri along and east of Highway 65))

A Dense Fog Advisory means fog may make it hard to see while driving. It runs until 10 AM Friday for parts of Missouri.

Marginal risk of severe storms

Saturday afternoon into Saturday night

A marginal (low-end) risk of severe storms. Damaging winds and large hail are the main threats.

Localized flooding from heavy rain

Saturday through Sunday

Heavy rain is possible, and with several rounds of storms possible, localized flooding may be possible.

Heavy rain and localized flooding potential

Next week (Not yet known; placement is uncertain)

Some signs point to a pattern next week that favors heavy rain and localized flooding, but forecasters have low confidence in where it would fall.

Read the NWS wording
MO...Dense Fog Advisory until 10 AM CDT Friday for MOZ015>017- 022>025-030>033-038>040-044>046-054.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
The best potential for dense fog will be across central Missouri along and east of the Highway 65 corridor
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
- There is a marginal risk for severe storms on Saturday afternoon into Saturday night.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Damaging winds and large hail are the primary threats.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Heavy rain will also be possible which may lead to localized flooding.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
several rounds of storms possible, localized flooding may be possible
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
- There are some indications that the pattern developing next week will be favorable for heavy rainfall and localized flooding.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Confidence is low with the geographical placement of this heavy rainfall potential at this time.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10

Why the forecast might change

  • Next week's pattern may favor heavy rain and localized flooding, but forecasters have low confidence in where that heavy rain will set up, so who gets it could change. (Whole area (placement not yet known))
Read the NWS wording
- There are some indications that the pattern developing next week will be favorable for heavy rainfall and localized flooding.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
Confidence is low with the geographical placement of this heavy rainfall potential at this time.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10

What changed from the discussion before

  • This discussion now includes a Dense Fog Advisory for parts of Missouri until 10 AM Friday, meaning fog may make it hard to see while driving. (Parts of Missouri listed by the NWS)
Read the NWS wording
MO...Dense Fog Advisory until 10 AM CDT Friday for MOZ015>017- 022>025-030>033-038>040-044>046-054.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10

Where the NWS text was unclear

  • The older Hazardous Weather Outlook lists only damaging winds as the main Saturday threat, while the newer discussion names both damaging winds and large hail.
  • The advisory lists Missouri zones by code only, so the exact counties covered aren't spelled out in the discussion.
Read the NWS wording
Damaging winds are the primary threat from storms during this period.
NWS Kansas City/Pleasant Hill, Hazardous Weather Outlook, 5:01 a.m. Thu Sep 10
Damaging winds and large hail are the primary threats.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10
MO...Dense Fog Advisory until 10 AM CDT Friday for MOZ015>017- 022>025-030>033-038>040-044>046-054.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 11:07 p.m. Thu Sep 10

The numbers then

Not recorded: wxexplained began keeping the NWS forecast numbers on November 6, 2026.

From the 2:16 a.m. discussion

The NWS discussion issued 2:16 a.m. Fri Sep 11

The plain version didn't pass the accuracy check (a quote or number didn't match the NWS text), so the NWS text was shown instead.

Key messages

- Areas of dense fog this morning will dissipate within a few
  hours of sunrise. Dens fog is most likely from parts of west
  central MO into central and northeastern MO.

- There is a Marginal Risk for severe storms Saturday late
  afternoon into the overnight hours. Strong winds and hail are
  the primary threats with this activity.

- There is potentially an active pattern setting up for next
  week, with multiple chances for showers and storms leading to
  potential for heavy rainfall. There is considerable
  uncertainty in the placement dependent on how strong and upper
  ridge is to our southeast.

Discussion

A surface high, centered over the Great Lakes, combined with residual
moisture from yesterday's rain, is leading to widespread dense fog
east of the KC area into central/northeastern MO, as of 07Z.
This may eventually spread westward into parts of west central
MO and east central KS by sunrise, given the weak pressure
gradient and calm winds. A Dense Fog Advisory has been issued
for areas east of Kansas City. Will monitor trends through the
early morning hours. If fog does build westward, a westward
expansion of the Dense Fog Advisory may be needed. Fog will
dissipate within a few hours of sunrise.

Focus then shifts to the potential for strong to severe storms
Saturday late afternoon into the overnight. Models show a shortwave
trough moving across Central Plains into the Midwest. This helps
push a front southward into the area which may lead to the
development of storms during the afternoon hours. This is uncertain
as while there is forecast to be ample CAPE, forecast soundings show
capping in place as the front passes through. If storms are unable
to develop during the day, the focus will shift to the
evening/overnight hours, where forcing associated with the nose
of the low-level jet will be key. Even with this, there is
considerable uncertainty as the placement of the nose of the
low- level jet and it varies by several hundred miles in the
available guidance. In the deterministic guidance, the NAM moves
the low- level jet over the forecast area. The GFS and the
ECMWF are much further west, in central to western KS. This is
beyond the time from the HREF and the LREF splits the difference
with the low- level jet across central KS. With how far east
the NAM forecasts the low-level jet, it is naturally the most
robust solution for the forecast area, tracking storms through
the forecast area through the overnight hours. Conversely, the
GFS and the ECMWF are further west, with the later showing
little in the way of QPF.

For next week, the pattern becomes favorable for near daily/nightly
precipitation chances across the Plains and Midwest. Our forecast
area is on the northern periphery of the upper ridging centered over
the Southeastern US. This effectively limits the southeastward
extent of precipitation chances. Stronger ridging shifts the best
chances northwestward. Weaker ridging allows for more of the
forecast area to see higher precipitation chances. The ridging
to the southeast will also help transport anomalously high
moisture northward into the region. And with the area being
persistently in the right rear quadrant of the upper- level
jet, there is a good signal for heavy rainfall in the region,
despite the uncertainty in its placement. As it currently
stands, the northern portions of the forecast have best chance
of seeing multiple rounds of storms with potential for
cumulatively heavy rainfall next week. Our current forecast
shows two to perhaps five inches of rain in far northern
Missouri next week. For the 48 hour period ending at 7 am
Thursday there is a 40-50% chance for at least 3 inches of rain.

Eax watches/warnings/advisories

MO...Dense Fog Advisory until 10 AM CDT this morning for MOZ015>017-
     022>025-030>033-038>040-044>046-054.
KS...None.

The numbers then

Not recorded: wxexplained began keeping the NWS forecast numbers on November 6, 2026.

From the 12:42 p.m. discussion

The NWS discussion issued 12:42 p.m. Fri Sep 11

The plain version didn't pass the accuracy check (a quote or number didn't match the NWS text), so the NWS text was shown instead.

Key messages

- Areas of dense fog this morning will dissipate within a few
  hours of sunrise. Dens fog is most likely from parts of west
  central MO into central and northeastern MO.

- There is a Marginal Risk for severe storms Saturday late
  afternoon into the overnight hours. Strong winds and hail are
  the primary threats with this activity.

- There is potentially an active pattern setting up for next
  week, with multiple chances for showers and storms leading to
  potential for heavy rainfall. There is considerable
  uncertainty in the placement dependent on how strong and upper
  ridge is to our southeast.

Discussion

A surface high, centered over the Great Lakes, combined with residual
moisture from yesterday's rain, is leading to widespread dense fog
east of the KC area into central/northeastern MO, as of 07Z.
This may eventually spread westward into parts of west central
MO and east central KS by sunrise, given the weak pressure
gradient and calm winds. A Dense Fog Advisory has been issued
for areas east of Kansas City. Will monitor trends through the
early morning hours. If fog does build westward, a westward
expansion of the Dense Fog Advisory may be needed. Fog will
dissipate within a few hours of sunrise.

Focus then shifts to the potential for strong to severe storms
Saturday late afternoon into the overnight. Models show a shortwave
trough moving across Central Plains into the Midwest. This helps
push a front southward into the area which may lead to the
development of storms during the afternoon hours. This is uncertain
as while there is forecast to be ample CAPE, forecast soundings show
capping in place as the front passes through. If storms are unable
to develop during the day, the focus will shift to the
evening/overnight hours, where forcing associated with the nose
of the low-level jet will be key. Even with this, there is
considerable uncertainty as the placement of the nose of the
low- level jet and it varies by several hundred miles in the
available guidance. In the deterministic guidance, the NAM moves
the low- level jet over the forecast area. The GFS and the
ECMWF are much further west, in central to western KS. This is
beyond the time from the HREF and the LREF splits the difference
with the low- level jet across central KS. With how far east
the NAM forecasts the low-level jet, it is naturally the most
robust solution for the forecast area, tracking storms through
the forecast area through the overnight hours. Conversely, the
GFS and the ECMWF are further west, with the later showing
little in the way of QPF.

For next week, the pattern becomes favorable for near daily/nightly
precipitation chances across the Plains and Midwest. Our forecast
area is on the northern periphery of the upper ridging centered over
the Southeastern US. This effectively limits the southeastward
extent of precipitation chances. Stronger ridging shifts the best
chances northwestward. Weaker ridging allows for more of the
forecast area to see higher precipitation chances. The ridging
to the southeast will also help transport anomalously high
moisture northward into the region. And with the area being
persistently in the right rear quadrant of the upper- level
jet, there is a good signal for heavy rainfall in the region,
despite the uncertainty in its placement. As it currently
stands, the northern portions of the forecast have best chance
of seeing multiple rounds of storms with potential for
cumulatively heavy rainfall next week. Our current forecast
shows two to perhaps five inches of rain in far northern
Missouri next week. For the 48 hour period ending at 7 am
Thursday there is a 40-50% chance for at least 3 inches of rain.

Eax watches/warnings/advisories

MO...None.
KS...None.

The numbers then

Not recorded: wxexplained began keeping the NWS forecast numbers on November 6, 2026.

From the 3:14 p.m. discussion

Saturday late afternoon into night: storms could be severe with large hail, damaging winds, possible localized flooding. Heavy rain possible next week; placement uncertain.

From the NWS discussion issued 3:14 p.m. Fri Sep 11.

The forecast

  • Saturday morning (Western part of the area): A cold front moves in. In the western part of the area, a few showers and storms may be possible along and ahead of it (20-30%).
  • Saturday late afternoon and evening: Another round of showers and thunderstorms is expected, focused along a front that stalls across the area. Some storms could be strong to severe. Highs in the 80s.
  • Saturday night: Chances for stronger storms continue overnight, along with the potential for heavy rain. Localized flooding cannot be ruled out.
  • Sunday (Northern Missouri / northern part of the area; southern part of the area): Storm chances continue, with storms more likely in the northern part of the area. Highs in the mid 70s over northern Missouri, but reaching the upper 80s in the southern part of the area.
  • Sunday night into Monday: Drying out as high pressure builds, with highs rising into the mid 80s to mid 90s.
  • Tuesday through Thursday: Several disturbances look to set up a very wet and unsettled middle of the work week.

How sure forecasters were

Forecasters expect Saturday's late afternoon and evening storms. For next week, they say there is considerable uncertainty in where the heavy rain sets up.

Read the NWS wording
This will force a trailing cold front
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
A few showers and storms may be possible along and ahead of this front across the western CWA tomorrow morning (20-30%).
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
expected to kick off another round of showers
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
with a stalled frontal boundary
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
potential for storms to be strong to severe
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Highs Saturday will be in the 80s.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
continue the chance for stronger storms
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
the potential for heavy rain
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
localized flooding cannot be ruled out
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Storm chances will continue
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
particularly across the northern CWA where storms are more likely
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
the mid 70s over northern Missouri
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
reaching the upper 80s across the southern CWA
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Sunday night into Monday, upper level ridging will build over the Mississippi River Valley.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
This will aid in drying conditions out and allow highs to rise into the mid 80s to mid 90s.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Several shortwaves rounding the ridge into the local area in the Tuesday through Thursday timeframe looks to set up a very wet and unsettled middle part of the next work week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
There is considerable uncertainty in the placement dependent on how strong and upper ridge is to our southeast.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11

What to watch

Severe storms

Saturday late afternoon into the overnight hours

There is a Marginal Risk for severe storms, the lowest level of severe risk, meaning isolated severe storms are possible. Large hail and damaging winds are the main threats.

Heavy rain and localized flooding

Saturday night into Sunday (Whole area Saturday night; mainly the northern part of the area Sunday)

Heavy rain could lead to localized flooding Saturday night. On Sunday the flooding potential continues, particularly in the northern part of the area.

Heavy rainfall next week

Next week (Whole area (placement uncertain))

An active pattern may bring multiple chances for showers and storms, with potential for heavy rainfall.

Read the NWS wording
- There is a Marginal Risk for severe storms Saturday late afternoon into the overnight hours.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Large hail and damaging winds are the primary threats with this activity.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Heavy rain will also be possible which could lead to localized flooding
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
This will continue the potential for flooding
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
particularly across the northern CWA where storms are more likely
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
- There is potentially an active pattern setting up for next week, with multiple chances for showers and storms leading to potential for heavy rainfall.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11

Why the forecast might change

  • Where next week's heavy rain falls depends on how strong a high-pressure ridge to the southeast is.
  • Sunday's highs depend on clouds and storms: they keep northern Missouri in the mid 70s while the southern part of the area reaches the upper 80s. (Northern Missouri and the southern part of the area)
Read the NWS wording
There is considerable uncertainty in the placement dependent on how strong and upper ridge is to our southeast.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
cloud cover and storms keeping highs in
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
the mid 70s over northern Missouri
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
reaching the upper 80s across the southern CWA
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11

What changed from the discussion before

  • Localized flooding from heavy rain is now added to Saturday's storm threats, which earlier listed only strong winds and hail.
  • For Saturday afternoon, the earlier discussion called storm development uncertain; the current one says storms are expected in the late afternoon and evening.
Read the NWS wording
Heavy rain will also be possible which could lead to localized flooding
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Large hail and damaging winds are the primary threats with this activity.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
Strong winds and hail are the primary threats with this activity.
NWS Kansas City/Pleasant Hill, Hazardous Weather Outlook, 5:01 a.m. Fri Sep 11
expected to kick off another round of showers
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:14 p.m. Fri Sep 11
This is uncertain as while there is forecast to be ample CAPE, forecast soundings show capping in place as the front passes through.
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:42 p.m. Fri Sep 11

Where the NWS text was unclear

  • The earlier discussion gave next-week rain totals for far northern Missouri; the current discussion gives no amounts, so it doesn't say whether those totals still stand.
Read the NWS wording
Our current forecast shows two to perhaps five inches of rain in far northern Missouri next week.
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:42 p.m. Fri Sep 11

The numbers then

Not recorded: wxexplained began keeping the NWS forecast numbers on November 6, 2026.