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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.

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O'Hare International Airport KORD (Arlington Heights South)
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Monday, March 23, 2026

SPC Mar 23, 2026 1630 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1630Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1115 AM CDT Mon Mar 23 2026

Valid 231630Z - 241200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms are possible today from southeast Georgia to
the coastal Carolinas.

...Coastal Carolinas/Georgia...
A large upper trough continues to track eastward across the lower
Great Lakes and into New England today, while the associated surface
cold front sags across the southeast states. As the front
approaches the more moist and marginally unstable offshore air mass,
showers and a few thunderstorms will become more numerous. This
process will occur late this afternoon, and might result in a strong
storm or two along the immediate coast of NC before activity moves
out to sea. Small hail or gusty winds are possible, but the overall
severe threat seems too low to warrant probabilities at this time.

..Hart/Chalmers.. 03/23/2026


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