Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1114 AM CDT Sun Oct 18 2026
Valid 181630Z - 191200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not forecast through tonight.
...Synopsis...
Tranquil conditions will exist across much of the contiguous United
States through tonight. Extensive surface high pressure influencing
much of the central and eastern U.S. will favor offshore flow into
the northern Gulf of America and feature a seasonably dry/stable
airmass. A few weak thunderstorms are possible over south FL and
the Keys to the north of a surface front undergoing frontolysis
across the southern Gulf and FL Straits. Farther west, an upper
trough migrating northeast across the Four Corners will be
associated with isolated showers/thunderstorms across parts of the
Southwest.
..Smith/Supinie.. 10/18/2026
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