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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.

ARLINGTON HEIGHTS WEATHER

Saturday, February 18, 2023

SPC Feb 18, 2023 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1010 PM CST Fri Feb 17 2023 Valid 181200Z - 191200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast over the contiguous United States today. ...Synopsis... A stable pattern will persist today with a split flow regime aloft, and high pressure over the eastern half of the CONUS. A northern stream shortwave trough will dive south into the northern Rockies with cooling aloft aiding shower activity. However, there will be no instability to support thunderstorms. ..Jewell.. 02/18/2023 Read more CHECK UPDATE ZOOM GRAPHIC
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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)