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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Sunday, October 31, 2021

SPC Oct 31, 2021 0730 UTC Day 3 Severe Thunderstorm Outlook

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0216 AM CDT Sun Oct 31 2021 Valid 021200Z - 031200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not currently forecast across the contiguous United States on Tuesday. ...Synopsis... A mid-level disturbance initially over the Four Corners will quickly move east into OK by early Wednesday morning while a trough remains centered over the Great Lakes. In the low levels, extensive surface high pressure east of the Rockies will lead to mainly tranquil conditions over a large part of the Lower 48 states. The exception will be over the southern Great Plains with weak isentropic lift/warm-air advection leading to increasing clouds and the chance for isolated showers/thunderstorms by late in the day. The chance for a cluster or two of weak elevated thunderstorms will likely increase Tuesday night from the South Plains eastward near the Red River. ..Smith.. 10/31/2021 Read more LIVE: spc.noaa.gov