Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0648 PM CST Wed Jan 21 2026

Valid 220100Z - 221200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms may occur across parts of far east Texas into
the lower Mississippi Valley today and tonight. Additionally, a few
lightning strikes may be possible late tonight across southeast
Florida.

... 01Z Update...

Severe thunderstorms are not expected across the United States this
evening and tonight. A few lightning strikes may be possible across
a couple different areas.

... Far East Texas into the Lower Mississippi Valley ...

A mid-level short-wave trough continues to through the larger-scale
eastern US trough. Modest low-level warm advection associated with
this short-wave trough will continue to support showers and a
lightning strike or two across the area tonight.

... Southeast Florida ...

A subtle short-wave trough and associated mid-level speed maximum
will move northeast from the Gulf across northern Florida within the
subtropical jet. Modest large-scale ascent associated with the right
entrance region of this speed max may support showers and perhaps a
thunderstorm or two very late tonight.

..Marsh.. 01/22/2026