012
ACUS01 KWNS 240103
SWODY1
SPC AC 240102

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0802 PM CDT Sun Aug 23 2026

Valid 240100Z - 241200Z

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE
NORTHERN HIGH PLAINS AND GREAT BASIN...

...SUMMARY...
Thunderstorms capable of large hail and severe-caliber wind gusts
will continue this evening across eastern Montana and the western
Dakotas, with other severe storms capable of wind gusts across the
Great Basin.

...01z Update...
Primary severe-weather corridor this evening will persist across
east/northeast Montana to portions of the western Dakotas, but
likely on a more marginal/isolated basis by the overnight.

Other wind-producing storms will remain a possibility over the next
couple of hours in areas such as northern Utah/far southeast Idaho,
as well as southern Arizona.

A couple of severe storms will remain a possibility this evening
across northeast Ohio into northwest Pennsylvania. See Mesoscale
Discussion 2108 for additional details.

Later tonight, a modest increase in isentropic ascent associated
with a south-southwesterly low-level jet may aid thunderstorm
development late tonight and early Monday morning across parts of
northeast Oklahoma and southeast Kansas to the Ozarks. Overall
instability is expected to remain fairly weak (MUCAPE generally less
than 1000 J/kg), but some clustering may occur with a low chance for
localized severe wind gusts.

..Guyer.. 08/24/2026

$$