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Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

    
                        
973
FXUS63 KSGF 211958
AFDSGF

Area Forecast Discussion
National Weather Service Springfield MO
158 PM CST Fri Nov 21 2025

.KEY MESSAGES...

- A few shower may linger across central Missouri this
afternoon. Most locations will remain dry however.

- A few areas of dense fog may develop, mainly in valleys or low
lying areas, with visibilities around a mile or less at times
Saturday night.

- Widespread rain chances (60-90%) return Sunday night through
Monday. Exact timing and amounts will continue to fluctuate
due to some model uncertainty with this next system.

- Increasing confidence in below average temperatures by mid
next week into Thanksgiving, and continuing into next
weekend. Highs in the 40s, lows in the 20s.

&&

.SHORT TERM /THROUGH TONIGHT/...
Issued at 1210 PM CST Fri Nov 21 2025

A surface low was essentially directly over the Ozarks early
this afternoon. This has allowed for some clearing in cloud
cover over a good portion of the region. Where clear skies and
sunshine was occurring allowed temperatures to climb into the
lower 70s. Where clouds lingered temperatures were in the lower
to middle 60s and isolated showers were occurring.

The area of low pressure will continue to make its way to the
east through today and tonight with cloud cover returning on the
back side of the low with colder air moving into the region.
There may be a stray shower or two with this activity but
coverage will be limited.

A few of the CAMS models as indicating the potential for fog to
develop again overnight. Confidence is on the low side with the
better potential for a low 200-400ft stratus deck occuring. If
fog does develop, it would be in valleys or where stratus build
down can occur. Overnight lows will be cooler in the 40s as
cooler air filters into the region.

Winds will begin to pick up through the overnight into Saturday
morning as well as high pressure enters the plains and a
tightening surface pressure gradient develops across the Ozarks.
Some locations could see winds Gus from 15 to 20 mph.

&&

.LONG TERM /SATURDAY THROUGH THURSDAY/...
Issued at 1210 PM CST Fri Nov 21 2025

Saturday into Monday: The start to the weekend will be
seasonably cool with highs in the middle to upper 50s, thanks
to ongoing cold air advection, behind the departing low with
cool surface high pressure moving over the region by Saturday
night. A short wave ridge will move across the plains and the
Ozarks Sunday with surface high pressure, ample sunshine and
light winds allowing for a rather nice day with this in the
lower to middle 60s.

The ridge will be short lived however as the next storm system
will be lifting out of the southwestern CONUS and into the
plains Sunday evening. This system will bring the next round of
rainfall to Ozarks which is becoming better handled by the
synoptic and ensemble models. The better potential for rain at
this time is expected to be along and south of I-44 based on the
NBM and synoptic model outputs. This axis of better rain can
still shift over the next few days. The system Sunday night into
Monday is expected to bring more rain, as much as an inch n
some areas. Though some areas received as much as 3 inches over
the past 24-36 hours, this next systems rain is not expected to
cause any more flooding than this past system did, despite the
ground for most of the Ozarks getting a decent soaking.

Tuesday into Thanksgiving: After what will likely be the
warmest day next week (Sunday) the storm system that will bring
rain Monday will lift towards the Great Lakes through the day
Tuesday. As this occurs, a ridge will be lifting over the west
coast and Rockies producing northwesterly flow aloft. With this,
A cold airmass will see essentially unrestricted flow into the
center of the Country Tuesday into Thanksgiving. Highs for the
middle of the week will likely loiter around the middle 50s to
lower 60s. By Thanksgiving Day highs will be in the middle 40s
to around the 50 degree mark.

Next Friday into Next Weekend: Some of the models, including
the EOF shift of tails continue to show the potential for
temperatures even cooler than the current forecast. A few of the
models show potential highs from Thanksgiving Day into the
following weekend in the middle to upper 30s for highs. These
10th percentile readings remain outliers but they have been
consistent and something that bear watching.

Either way, next week may seem more seasonable than the last
week or so as several indicies are pointing to a significant
cool down by the end of next week.

&&

.AVIATION /18Z TAFS THROUGH 18Z SATURDAY/...
Issued at 1121 AM CST Fri Nov 21 2025

Surface low pressure was moving over the region pulling cloud
cover and rain north of the area. While clouds will thin or
break through this afternoon, as the low moves east, clouds
will return on the back side of the low with MVFR to IFR
ceilings returning by late this evening into Saturday morning.

Where clouds don`t fill in, patchy fog may develop though
confidence in this occurring is low.

Surface winds will be gusty through this afternoon before
dropping off as the low moves east of the region tonight. Winds
will shift from southerly to northerly as well in association
with the lows movement.

&&

.SGF WATCHES/WARNINGS/ADVISORIES...
KS...None.
MO...None.

&&

$$

SHORT TERM...Hatch
LONG TERM...Hatch
AVIATION...Hatch