Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0639 PM CST Thu Dec 11 2025

Valid 120100Z - 121200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorms are not forecast in the U.S. through tonight.

...DISCUSSION...
At mid-levels, a low will move across far northern New England this
evening, as northwest flow remains in place from the Appalachians
northwestward into the northern Rockies. At the surface, a cold
front will move southward across the central and southern Plains
into the mid Mississippi Valley. Over almost the entire nation, a
relatively dry airmass will be in place, making conditions
unfavorable for thunderstorm development through daybreak on Friday.

..Broyles.. 12/12/2025