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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)
Chicago Executive Airport KPWK (Arlington Heights North)

Thursday, January 29, 2026

SPC Jan 29, 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
0130 PM CST Thu Jan 29 2026

Valid 292000Z - 301200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorms are not forecast through tonight.

...20Z Update...
No changes have been made to the outlook.

..Dean.. 01/29/2026

.PREV DISCUSSION... /ISSUED 1000 AM CST Thu Jan 29 2026/

...Synopsis and Discussion...
Upper ridging will persist across the western U.S. today, while
broadly cyclonic mid/upper flow remains over the central/eastern
CONUS. Negligible instability over land is expected to preclude
thunderstorms through tonight.


Read more CHECK UPDATE ZOOM GRAPHIC


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