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.

Wednesday, August 4, 2021

SPC Aug 5, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0720 PM CDT Wed Aug 04 2021 Valid 050100Z - 051200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF MONTANA... ...SUMMARY... A few lingering strong/severe thunderstorms are possible across parts of Montana from this evening. ...MT... Early-evening water-vapor imagery depicts a well-defined short-wave trough topping the ridge over southeast BC/northwestern MT. Mid-level height field will be suppressed across northern MT this evening ahead of this feature which may contribute to thunderstorms lingering across this portion of the state, especially northern portions of the MRGL risk region. With surface dew points only in the 30s/40s, PW values approaching one inch may produce gusty downdrafts for the next few hours. ..Darrow.. 08/05/2021 Read more LIVE: spc.noaa.gov