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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

ARLINGTON HEIGHTS WEATHER
O'Hare International Airport KORD (Arlington Heights South)
Chicago Executive Airport KPWK (Arlington Heights North)

Tuesday, March 24, 2026

SPC Mar 24, 2026 1300 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1300Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0700 AM CDT Tue Mar 24 2026

Valid 241300Z - 251200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms will be possible today across parts of
north/central Florida and late tonight over portions of coastal
Washington, but organized severe thunderstorms are not expected.

...Synopsis and Discussion...
Surface high pressure will remain entrenched over the eastern CONUS
today, with low-level moisture sufficient to support thunderstorms
confined to parts of the FL Peninsula along/south of a front.
Large-scale ascent will remain weak across this region through the
afternoon, with multiple small-scale perturbations embedded within
mean upper troughing across the eastern states remaining displaced
to the north of FL. Even so, isolated thunderstorms may develop this
afternoon across parts of north/central FL, with some preference for
initiation along the Atlantic Coast sea breeze. Weak low/mid-level
flow and related modest deep-layer shear are expected to limit the
threat for organized severe convection. Isolated thunderstorms may
also occur late tonight into early Wednesday morning across parts of
coastal WA as strong forcing and cool temperatures aloft associated
with a mid/upper-level jet overspread this region.

..Gleason/Kerr.. 03/24/2026


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CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)