Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1253 AM CDT Sat Oct 31 2026

Valid 311200Z - 011200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not forecast across the U.S. today or
tonight.

...DISCUSSION...
A mid-level shortwave trough will move across the central U.S.
today, as southwesterly flow aloft remains in place over the West.
At the surface, a large area of high pressure will remain in the
eastern U.S. as a lee trough develops in the High Plains. Scattered
thunderstorms will be possible today within a moist airmass in the
lower Mississippi Valley. Additional storms will be possible in
parts of the Intermountain West and Upper Midwest. Isolated to
scattered storms could also form in parts of Arizona and over the
southern Florida Peninsula. No severe threat is expected today or
tonight across the continental U.S.

..Broyles/Weinman.. 10/31/2026