DarkSky Temps | Gusts | WU KORD Data

CLICK for this month's BIG night sky ...




Cardinal SAT


Weather conditions on bar directly above are near Lakefront. Tabs under Moon Phases refer to O'Hare (official).

Archives for SPC Convective outlook are updated daily with a live map a the beginning of the article. Touch or click map to get possible update, and follow link at end of article for referral to NOAA/NWS Storm Prediction Center. Archives for Chicago's hourly weather data were updated 24-48 hours after end of each day prior to Dec. 2020.

Tuesday, January 4, 2022

SPC Jan 4, 2022 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1130 PM CST Mon Jan 03 2022 Valid 041200Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are expected in portions of the Pacific Northwest today. ...Synopsis... A broad upper trough will overspread much of the CONUS today, with a strong northwesterly upper-level jet extending from the Pacific Northwest to the central Plains. A weak shortwave impulse will move onshore the WA/OR coast during the afternoon/evening in tandem with a surface low. Steep lapse rates through around 650 mb and cold temperatures beneath low equilibrium levels could support a few lightning flashes. Thunderstorms are not expected across the rest of the CONUS today/tonight. ..Leitman/Lyons.. 01/04/2022 Read more LIVE: spc.noaa.gov