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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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Thursday, January 15, 2026

SPC Jan 15, 2026 2000 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 2000Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0141 PM CST Thu Jan 15 2026

Valid 152000Z - 161200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected through tonight.

...20z Update...
No changes are needed to the D1 Convective Outlook. See previous
discussion below.

..Thornton.. 01/15/2026

.PREV DISCUSSION... /ISSUED 1011 AM CST Thu Jan 15 2026/

...Discussion...
A prominent longwave trough will continue to prevail from the
Rockies eastward, with related continental low-level trajectories.
Lingering thunderstorm potential off the coast of southern Florida
in vicinity of the Florida Straits will continue to diminish as a
cold front progresses southeastward.


Read more CHECK UPDATE ZOOM GRAPHIC


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