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Archive: Saturday, September 26, 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.

3 versions of the page that day, oldest first.

From the discussion of 3:18 p.m. Fri Sep 25, current when the day began

Showers stay non-severe; best overnight rain chances in northwestern Missouri and far northeastern Kansas; storms late Saturday; drier early next week, then flooding threat monitored.

From the NWS discussion issued 3:18 p.m. Fri Sep 25.

The forecast

  • Rest of this afternoon and evening (Friday): Scattered showers continue but stay non-severe. There's a small (~10-15%) chance of some rumbles of thunder. Drier air should lower rain chances this evening.
  • Tonight (Friday night) (Northwestern Missouri and far northeastern Kansas; central Missouri): Rain returns overnight. Chances are highest in northwestern Missouri and far northeastern Kansas (70-90%), with only isolated or scattered showers farther toward central Missouri. Severe weather chances are low.
  • Saturday into Saturday night: Rain chances drop during Saturday, then showers and storms return by late Saturday evening. Severe chances stay low, but these storms could bring lightning (15-30%).
  • Sunday into early next week: Rain chances linger until at least Sunday afternoon, then a brief dry period closes out the weekend and lasts into early next week.
  • Midweek onward: A wetter pattern returns, with unusually moist air for this time of year as moisture from a remnant tropical system gets pulled in.
  • Through the whole period: Temperatures stay seasonable, with highs in the 70s and low 80s during much of the period.

How sure forecasters were

Forecasters keep severe chances low. Thunder chances this afternoon are on the lower end (~10-15%); storms late Saturday carry a lightning risk (15-30%). Temperatures from Monday onward are less certain, with wide spread in computer guidance.

Read the NWS wording
- Showers expected to continue through the remainder of the afternoon/evening. Activity remaining nonsevere, with a chance of some rumbles of thunder.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
The presence of marginal MUCAPE (~100-200 J/kg) suggests there is low-end potential for some rumbles of thunder through the remainder of the afternoon.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
However, these probabilities remain on the lower end (~10-15%).
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
Greater intrusion of dry air in the low-levels looks to decrease precipitation chances through this evening, before returning overnight as shortwave and associated intensifying LLJ traverse to the west/northwest of the forecast area.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
The greatest potential for precipitation overnight resides across northwestern MO and far northeastern KS (70-90%), with isolated/scattered showers further towards central MO.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
Similar to today, severe chances remain on the lower end with poor environmental parameters for any robust activity.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
As the shortwave retreats towards the north/northeast with a diminishing LLJ, precipitation chances will lower across the forecast area through Saturday.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
This will shift precipitation chances back over the forecast area by late Saturday evening with the passage of another impulse in the atmospheric flow.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
Severe chances continue to remain low with meager instability and shear effectively capped off during this timeframe, but lightning remains a risk with these storms (15-30%) with marginally better MUCAPE than previous days.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
rain chances to linger until at least Sunday afternoon.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
Brief dry period to close out the weekend, before wet pattern continues.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
While the upper-level trough continues to lift off towards the north, and the closed low over the East Coast persists, ridging will build back over the central CONUS and serve to dry conditions out through the remainder of the weekend into early next week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
The influence of an energetic trough over the West Coast will help to break down the ridge going into midweek, and keep the remainder of the forecast wetter as the jet interacts with a remnant tropical system near southern California.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
This interaction with the remnant tropical system will further enhance atmospheric moisture content, leading to impressive PWAT values for this time of year.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
With these anomalously high PWAT values, trends will need to be monitored for the threat of flooding into next week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
Temperatures will remain seasonable through the duration of the forecast period, with high temperatures in the 70s and low 80s during much of the period.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
The northward and eastward progression of the ridge (and ultimate evolution of the blocking pattern) will determine temperature trends for Monday onward, with appreciable spread in the 25th-75th percentile temperatures noted in probabilistic guidance.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25

What to watch

Possible flooding

Next week

Unusually moist air is expected next week, and forecasters say they will need to watch trends for the threat of flooding.

Lightning

Late Saturday evening and Saturday night

Storms returning late Saturday evening could bring lightning (15-30% risk), though severe chances remain low.

Read the NWS wording
With these anomalously high PWAT values, trends will need to be monitored for the threat of flooding into next week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
This will shift precipitation chances back over the forecast area by late Saturday evening with the passage of another impulse in the atmospheric flow.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
Severe chances continue to remain low with meager instability and shear effectively capped off during this timeframe, but lightning remains a risk with these storms (15-30%) with marginally better MUCAPE than previous days.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25

Why the forecast might change

  • How the stuck weather pattern shifts north and east will decide temperatures from Monday onward.
Read the NWS wording
The northward and eastward progression of the ridge (and ultimate evolution of the blocking pattern) will determine temperature trends for Monday onward, with appreciable spread in the 25th-75th percentile temperatures noted in probabilistic guidance.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25

What changed from the discussion before

  • The flooding threat is now named for next week. The earlier discussion noted very moist air for Wednesday and said forecasters would keep monitoring, without mentioning flooding.
  • The earlier discussion gave weekend rain totals (0.5 inches along I-70, up to 1.25 inches in northwestern Missouri) and mentioned locally heavy rainfall; the new discussion gives no totals. (Along I-70 and northwestern Missouri)
Read the NWS wording
With these anomalously high PWAT values, trends will need to be monitored for the threat of flooding into next week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
As a result, deterministic guidance currently has PWAT values around 2 inches over MO for Wednesday which is in the 99th percentile for this time of year so we will continue to monitor how this system progresses over the next couple of days.
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:55 p.m. Fri Sep 25
this weekend of 0.5 inches along I-70 and increasing amounts of up
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:55 p.m. Fri Sep 25
to 1.25 inches for NW MO.
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:55 p.m. Fri Sep 25
transport could support locally heavy rainfall but storms should
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:55 p.m. Fri Sep 25

Where the NWS text was unclear

  • The summary says showers and storms return Saturday morning, but the detailed text says rain returns overnight tonight and then decreases through Saturday before coming back late Saturday evening.
  • The discussion says rain chances linger until at least Sunday afternoon, while also calling for a dry period to close out the weekend, so exactly when Sunday dries out isn't clear.
Read the NWS wording
- Brief lull in activity, before showers/storms return tomorrow morning and again tomorrow overnight/Sunday morning.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
As the shortwave retreats towards the north/northeast with a diminishing LLJ, precipitation chances will lower across the forecast area through Saturday.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
This will shift precipitation chances back over the forecast area by late Saturday evening with the passage of another impulse in the atmospheric flow.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
rain chances to linger until at least Sunday afternoon.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25
Brief dry period to close out the weekend, before wet pattern continues.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:18 p.m. Fri Sep 25

The numbers then

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

From the 3:33 a.m. discussion

On-and-off showers Saturday, more widespread Saturday night into Sunday morning, a brief dry Monday, then rain returns midweek with flooding potential being watched.

From the NWS discussion issued 3:33 a.m. Sat Sep 26.

The forecast

  • Saturday: Showers come and go through the day. There is a 20-30% chance of thunderstorms, but they should not be severe.
  • Saturday night into early Sunday morning: Showers become more widespread overnight into early Sunday morning.
  • Sunday afternoon: Rain should start to move out Sunday afternoon.
  • Monday: A brief dry day to start the work week, slightly warmer, with highs back in the mid to upper 70s.
  • Middle of next week: Rain chances return, possibly with a lot of moisture from a tropical system, which could bring unusually moist air for this time of year.

How sure forecasters were

Forecasters have increasing confidence rain moves out Sunday afternoon and Monday starts dry. They say there is still uncertainty about the tropical system affecting next week.

Read the NWS wording
- Showers continue on and off throughout the day Saturday, increasing in coverage by tonight into early Sunday morning.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
- 20-30% chance for thunderstorms across the area but they should be non-severe.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
Models have been consistent run-to-run with the ridge moving back into MO Sunday afternoon and the 25th-75th ensemble spread for 500mb heights is minimal so there is increasing confidence rain will start to move out Sunday afternoon and we should have a dry start to the work week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
- Dry out briefly Monday with slightly warmer temperatures before rain chances return for the middle of next week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
With the ridge moving back in Monday high temperatures will be back in the mid to upper 70s.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
This system would bring a large influx of moisture to the area, resulting in anomalously high PWAT values for this time of year.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
However, there is still uncertainty whether the tropical system will cross the Sierra Madre mountains in Mexico, which would result in a slightly drier setup for next week so we will continue to watch how this system progresses.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26

What to watch

Isolated thunderstorms and locally heavy rainfall

This weekend

The Hazardous Weather Outlook flags potential for isolated thunderstorms and locally heavy rainfall across the area, with weekend rain totals around 0.5-1.25 inches.

Possible flooding

Next week

Because of very moist air expected with next week's system, forecasters will be monitoring the potential for flooding.

Read the NWS wording
- Potential for isolated thunderstorms and locally heavy rainfall across the area.
NWS Kansas City/Pleasant Hill, Hazardous Weather Outlook, 5:01 a.m. Fri Sep 25
- Showers make their way into the area, sticking around for the weekend with accumulations around 0.5-1.25 inches.
NWS Kansas City/Pleasant Hill, Hazardous Weather Outlook, 5:01 a.m. Fri Sep 25
- Dry out briefly Monday with slightly warmer temperatures before rain chances return for the middle of next week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
With such high PWAT values we will need to monitor the potential for flooding next week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26

Why the forecast might change

  • If the tropical system crosses the Sierra Madre mountains in Mexico, next week would be slightly drier. Forecasters are watching how it develops.
Read the NWS wording
However, there is still uncertainty whether the tropical system will cross the Sierra Madre mountains in Mexico, which would result in a slightly drier setup for next week so we will continue to watch how this system progresses.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26

What changed from the discussion before

  • Monday's temperatures were uncertain before; now forecasters expect highs in the mid to upper 70s.
  • New this time: next week's system could be slightly drier if the tropical system crosses the mountains in Mexico.
Read the NWS wording
With the ridge moving back in Monday high temperatures will be back in the mid to upper 70s.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26
The northward and eastward progression of the ridge (and ultimate evolution of the blocking pattern) will determine temperature trends for Monday onward, with appreciable spread in the 25th-75th percentile temperatures noted in probabilistic guidance.
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 11:51 p.m. Fri Sep 25
However, there is still uncertainty whether the tropical system will cross the Sierra Madre mountains in Mexico, which would result in a slightly drier setup for next week so we will continue to watch how this system progresses.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 3:33 a.m. Sat Sep 26

The numbers then

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

From the 2:41 p.m. discussion

Scattered showers and weak storms into Sunday morning, then drying Sunday. Rounds of heavy rain may bring a rising flood threat Tuesday through at least Friday.

From the NWS discussion issued 2:41 p.m. Sat Sep 26.

The forecast

  • Saturday afternoon (Portions of far eastern Kansas and western/northwest Missouri for more showers; areas roughly east of US-65 seeing some sun): More showers and weak storms may develop than first expected across portions of far eastern Kansas and western/northwest Missouri. Roughly east of US-65, some sunshine is peeking through. Nothing significant beyond a possible rumble of thunder and brief heavy rain.
  • Saturday night (Whole area, best chances south of Highway 36): Scattered showers and thunderstorms should pop up again overnight. The best chances are south of Highway 36.
  • Sunday: Showers and occasional storms linger into Sunday morning, then it dries out through the day.
  • Tuesday and Wednesday (Whole area, best potential in the northwest half): A wet stretch is expected to begin, with rounds of heavy rain possible. The best potential is over roughly the northwest half of the area.
  • Through at least Friday (Whole area, best potential in the northwest half): Wet conditions continue through at least Friday. Model groups show a broad area of 2-4+ inches of rain through mid-late week; some individual model runs, including the GFS, show swaths/pockets of 6-8+ inches.

How sure forecasters were

Forecasters have high confidence in the big-picture weather pattern through at least midweek, possibly all week. But there is a good degree of uncertainty in the details, and where the heaviest rain falls remains uncertain.

Read the NWS wording
showers and weak thunderstorm activity may end up being more prevalent than initially thought across portions of far eastern Kansas and into western/northwest Missouri
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
areas roughly east of US-65 are even enjoying some sunshine
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
Nothing of significance aside from a rumble of thunder possible and brief heavy rain.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
should again blossom at least scattered shower/thundershower activity into the area
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
chances overnight tend to be best south of Highway 36
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
- Showers and occasional general thunderstorm chances continue into Sunday morning.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
drying conditions out through the day
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
- Increasing confidence in a period of wet conditions from Tuesday through at least Friday.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
For the immediate area, this potential tends to reside at Days 4/5 (Tuesday/Wednesday) and beyond.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
Lastly, the current best potential tends to reside over the NW half of the CWA or so, especially as you consider those areas have the most saturated soils as well (via NASA SPoRT).
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
For added confidence in the potential, GFS/Euro ensembles (as well as their AI versions) highlight and expansive/broad area of 2-4+ inch QPF through mid-late week, which is impressive when you consider the washed out nature of ensemble QPF.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
The potential is further highlighted by deterministic solutions, including the 12z [7 AM CDT] GFS, depicting PWats climbing toward and above 2 inches (highly anomalous this time of the year) and swaths/pockets 6-8+ inches QPF.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
At this point in time, there is high confidence in the broad scale pattern evolution through at least mid-week, if not the entire work-week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
But given the time horizon, there is a good degree of uncertainty in the finer details, such as the exact track of the mid-level cut-off low, its associated surface low, and frontal positions so will stress that locations of peak amounts remain uncertain.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26

What to watch

Heavy rain and flooding (river and areal flooding)

Tuesday through at least Friday (Whole area, best potential in the northwest half)

Rounds of heavy rain may bring an increasing threat of river and areal flooding. A Slight Risk of excessive rainfall (heavy rain that could cause flooding) is out for Tuesday and Wednesday, likely to be raised. Soils are wettest in the northwest half.

Read the NWS wording
Rounds of heavy rain may yield an increasing river and areal flooding threat through the week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
After an expansive (geographically) coordination call with WPC today, broad Slight Risks exist on Days 4/5 for the WPC Excessive Rainfall Outlook product, with likely upgrades as finer details come into better focus.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
Lastly, the current best potential tends to reside over the NW half of the CWA or so, especially as you consider those areas have the most saturated soils as well (via NASA SPoRT).
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26

Why the forecast might change

  • The exact path of the storm system, its surface low, and where fronts set up are still uncertain, which will decide where the heaviest rain falls.
  • The excessive rainfall risk for Tuesday and Wednesday will likely be upgraded as details become clearer.
Read the NWS wording
But given the time horizon, there is a good degree of uncertainty in the finer details, such as the exact track of the mid-level cut-off low, its associated surface low, and frontal positions so will stress that locations of peak amounts remain uncertain.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
After an expansive (geographically) coordination call with WPC today, broad Slight Risks exist on Days 4/5 for the WPC Excessive Rainfall Outlook product, with likely upgrades as finer details come into better focus.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26

What changed from the discussion before

  • The midweek rain went from something to monitor for flooding to increasing confidence in a wet Tuesday through at least Friday, with an increasing river and areal flooding threat.
  • Saturday afternoon showers and weak storms may be more widespread than earlier thought across portions of far eastern Kansas and western/northwest Missouri. (Portions of far eastern Kansas and western/northwest Missouri)
Read the NWS wording
- Increasing confidence in a period of wet conditions from Tuesday through at least Friday.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
Rounds of heavy rain may yield an increasing river and areal flooding threat through the week.
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
With such high PWAT values we will need to monitor the potential for flooding next week.
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:20 p.m. Sat Sep 26
showers and weak thunderstorm activity may end up being more prevalent than initially thought across portions of far eastern Kansas and into western/northwest Missouri
NWS Kansas City/Pleasant Hill, Area Forecast Discussion, 2:41 p.m. Sat Sep 26
- Showers continue on and off throughout the day Saturday, increasing in coverage by tonight into early Sunday morning.
NWS Kansas City/Pleasant Hill, Hazardous Weather Outlook, 5:01 a.m. Sat Sep 26

Where the NWS text was unclear

  • The new discussion does not mention Monday. The earlier discussion called for a brief dry spell Monday with highs in the mid to upper 70s.
Read the NWS wording
- Dry out briefly Monday with slightly warmer temperatures before rain chances return for the middle of next week.
NWS Kansas City/Pleasant Hill, Hazardous Weather Outlook, 5:01 a.m. Sat Sep 26
With the ridge moving back in Monday high temperatures will be back in the mid to upper 70s.
NWS Kansas City/Pleasant Hill, previous Area Forecast Discussion, 12:20 p.m. Sat Sep 26

The numbers then

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