Forecast Discussion
NWS Omaha/Valley, NE

831
FXUS63 KOAX 220535
AFDOAX

Area Forecast Discussion
National Weather Service Omaha/Valley NE
1235 AM CDT Wed Jul 22 2026

.KEY MESSAGES...

- Showers and a few storms gradually overspread the area early
  this morning and linger throughout most of the day (25 to 50%
  chance). Highs reach the 70s in most locations.

- More showers and some storms move in early Thursday morning
  and last into Friday. Some areas could receive heavy rainfall,
  particularly over far southeast Nebraska.

- Warm weather returns for this weekend into early next week,
  with heat indices potentially reaching the 105 to 110F mark
  by Sunday.

&&

.DISCUSSION...
Issued at 1157 PM CDT Tue Jul 21 2026

.SHORT TERM /TODAY THROUGH THURSDAY NIGHT/...

04z RAP objective analysis shows the H5 ridge dominating much of the
Central and Southern Plains region. Looking at the lower levels,
cold advection remains in place just east of the main H8 high over
much of the Northern Plains.

The cooler air will result in comfortable highs reaching the 70s to
near 80F along the KS/NE border for Wednesday. Early this
morning, a weak shortwave is progged to ride the northwest
periphery of the ridge and eject southeastward into the area. A
stream of low level moisture transport will also round the
western periphery of the high in addition to weak warm
advection, helping generate some scattered rain showers. A few
isolated thunderstorms could develop south of Interstate 80, but
instability appears fairly limited at less than 400 J/kg.

CAM guidance is in fairly good agreement in generating the band
of scattered showers by 10z across our northwest, eventually
overspreading the area late this morning and lingering into the
late evening. With this forecast update, PoPs of 25 to 50%
slowly increase from west to east after 10z, tapering off after
02z. Higher chances (50 to 75%) will be confined mostly to areas
west of a line from Verdigre to North Bend to Ceresco through
about 6 pm.

Similar to today, early Thursday morning will see another H5
shortwave eject from near the ridge axis over Montana toward the
area. Mid-level kinematic forcing from the wave along with an
approaching H8 baroclinic zone should lead to more redevelopment of
showers (30 to 50% chance over most of the area) and potentially a
storm or two, but again, limited instability is forecast. Showers
will linger for much of Thursday night (60 to 75% chance area) and
into Friday morning. Showers and any storms that develop could be
efficient rainfall producers, with model guidance indicating warm
cloud depths of 4,000 meters and PWATs of 1.9 to 2 inches: well
above the 90th percentile per SPC sounding climatology. The WPC
currently highlights areas south of Interstate 80 in a slight
risk for excessive rainfall Thursday into Friday morning.

.LONG TERM /FRIDAY THROUGH TUESDAY/...

Showers will be ongoing early Friday morning as continued lift from
the wave and H8 warm advection persist. By the time showers exit
Friday afternoon, total QPF beginning from Wednesday will range
from around 0.25 to 0.75 inches generally north of a line from
Columbus to Glenwood to Red Oak, IA. South of these areas,
expect totals of 1 to 1.5 inches, and a few spots in our far
southern areas near Beatrice and Fairbury could reach close to 2
inches.

Friday will also be the start to another warming trend which
lasts into early next week. 1000-500 mb thicknesses are progged
to expand over much of the central CONUS as the main H5 ridge
inches eastward and amplifies. Highs for the weekend climb to
the upper 90s to low 100s, cooling slightly to the 90s by Monday
and Tuesday. Heat Advisory criteria may be met on Sunday over
much of the area with guidance showing indices of 105 to 110 for
a large portion of the forecast area. A few waves may ride the
main periphery of the ridge and generate some scattered showers
and storms after Sunday, but chances remain low (

NWS OAX Office Area Forecast Discussion

Forecast Discussion
NWS Hastings, NE

351
FXUS63 KGID 220523
AFDGID

Area Forecast Discussion
National Weather Service Hastings NE
1223 AM CDT Wed Jul 22 2026

.KEY MESSAGES...

- The first of a few upper level shortwave disturbances moves
  into the region late tonight-Wed, bringing increasing
  precipitation chances. These chances look to mainly favor the
  northeastern half of the coverage area.

- Additional disturbances bring precipitation chances mainly
  during the Wed evening-Thur AM and Thur evening-Fri AM time
  frames...with relative lulls in between. By the time it`s all
  said and done Friday AM...there is the potential for a decent
  swath of at least 0.5" of rain, with models currently favoring
  the central and northeastern portions of the area.

- A drier forecast returns for the end of the week and
  weekend...and after highs in the 70s-80s Wed and Thu, highs
  climb back into the 90s-100 for Sat-Mon.

&&

.DISCUSSION...
Issued at 407 PM CDT Tue Jul 21 2026

Currently through this evening...

As expected, been a more pleasant afternoon across the region
today. Looking aloft...upper air and satellite data showing a
well amplified pattern across the CONUS, with continued
northwesterly flow in place across the Central Plains...sitting
between ridging extending from the Srn Plains northwestward into
the Pac NW and troughing running from the Hudson Bay area
southward toward the SE Coast. At the surface, the cold front
which pushed south through the area Mon-Mon night lies generally
along the KS/OK border...bringing mid-afternoon temperatures
today in the mid 80s-near 90, vs the highs around 100 we had on
Monday. In addition to the cooler temps, dewpoints are roughly
10 degrees lower...currently sitting in the mid 50s to low 60s
for most.

Had a narrow swath of isolated showers and storms gradually work
their way south across portions of south central NE last night
into this morning. This activity gradually waned with
time...with this afternoon being dry.

Expecting little change as we get into the evening hours...dry
conditions continue, with sfc high pressure sliding off to our
east, bringing more of an easterly component to the overall
light winds.

Late tonight through Thursday night...

This mid-week period continues to be the most active of this
entire 7-day forecast period, with periodic upper levels
disturbances bringing the potential for much-welcome rainfall.
As nice as it would be to say this will be a period of non-stop,
gentle rain...this will be coming in waves, with potentially
heavy rates at times.

Expecting little change overall in the upper level northwesterly
flow tonight into Wednesday...with the first of these shortwave
upper level disturbances looking to start working its way in
mainly after midnight. Models showing this wave not being an
overly strong one...with some runs showing QPF potentially more
scattered in nature, though most focus the better chances
roughly across the NNErn half of the forecast area. If anything
models have trended back on how long through the day activity
lasts...showing the brunt potentially over around midday or so,
leaving little else but some lingering isolated precip around
the rest of the afternoon.

After that lull...models showing the potential for another
couple of shortwave disturbances to push through the region.
The timing is not too unlike the first...mainly affecting the
evening/overnight-early morning hours Wed night-Thu AM and Thu
night-Fri AM, with the potential for a relative lull during a
chunk of the daytime hours. Models showing that these
disturbances are stronger, having better potential to dig a bit
further south into the ridging, allowing it to track more over
the heart of the area vs riding around the NErn edge.

Expecting some thunderstorms embedded in this mid-week
activity...and while deeper layer isn`t bad, models are in
pretty good agreement showing that instability is
lacking...keeping the overall threat for severe weather during
this period on the lower side. With more southerly flow
returning with time, expecting better moisture to gradually
return, esp. for those Wed night-early Fri AM chances...bringing
increasing PWAT values and potential for heavier rainfall
rates. Outside of the GFS/GEFS, most other models showing good
potential for a decent swath of at least 0.5" of rain by the
time it`s all said and done...mainly across the central-NErn
portions of the forecast area. ECMWF ensembles even continue to
have fairly high probabilities of 1" or more (70+
percent)...again mostly driven by that Wed night-Fri AM period.
Will see how upcoming model runs trend with the finer details.

Friday and on...

For the end of the week on through the upcoming weekend and
start of the new week...models continue to show that upper
level ridging reamplifying (to varying degrees depending on the
model), drying the period back out. Temperatures also climb back
up...after highs Wed- Thu in the 70s-80s, the heat returns by
this weekend-Mon with highs back well into the 90s-near
100...including heat index values near 105.

&&

.AVIATION /06Z TAFS THROUGH 06Z THURSDAY/...
Issued at 1219 AM CDT Wed Jul 22 2026

For KGRI/KEAR Airports:

VFR conditions favored through TAF period. Scattered showers
will become more widespread around sunrise, with a period of
prevailing showers likely. Embedded thunderstorms are possible
within this band of showers that will gradually lift northeast
of KGRI/KEAR during the afternoon (first at KEAR). Have
included PROB30 groups when scattered thunderstorms are most
likely. Late in the TAF period, scattered thunderstorms return
from the west and may reach KEAR before 06z. Easterly winds
remain light overnight, but increase during the daytime hours on
Wednesday. Gusts of 20-25kts are possible at KEAR during the
afternoon- evening, but winds lessen after sunset on Wednesday.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...None.
KS...None.

&&

$$

DISCUSSION...ADP
AVIATION...Davis

NWS GID Office Area Forecast Discussion