LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1147 PM CST Tue Feb 25 2025
Valid 261200Z - 271200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Scattered thunderstorms are possible across the Midwest and Ohio
Valley this afternoon an evening. Severe storms are not expected.
...Discussion...
A mid-level trough and attendant surface cold front will shift
eastward across the Midwest into the Ohio Valley and Great Lakes
region this afternoon and evening. Ahead of these features, dew
points will increase into the mid to upper 50s into the Ohio Valley.
The steady increase in moisture along with mid-level cooling from
the trough will allow a narrow region of instability ahead of a
southeastward moving cold front. Shower and thunderstorm activity
will develop from western Kentucky, southern Indiana north and
eastward into the Great Lakes along the front and move eastward
through the afternoon and evening. A stronger storm or two along the
front in western Kentucky/southern Indiana could produce gusty
winds, however, a relatively narrow corridor of instability and
meager moisture will likely keep this threat low. Overall, mainly
scattered sub-severe storms are expected.
..Thornton/Guyer/Lyons.. 02/26/2025
Read more CHECK UPDATE ZOOM GRAPHIC
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Windy.com Temps | Gusts | WU KORD KPWK |
CLICK for this month's BIG night sky ... | RADAR FULL MAP SCREEN |
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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).
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.
CONVECTIVE | TORNADO | WIND | HAIL
O'Hare International Airport KORD
(Arlington Heights South)
Chicago Executive Airport KPWK
(Arlington Heights North)
Wednesday, February 26, 2025
SPC Feb 26, 2025 0600 UTC Day 1 Convective Outlook
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)