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Hazardous Weather Outlook for St. Louis, MO
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641 FLUS43 KLSX 221012 HWOLSX Hazardous Weather Outlook National Weather Service St Louis MO 412 AM CST Thu Jan 22 2026 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-231015- Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- 412 AM CST Thu Jan 22 2026 This Hazardous Weather Outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAY ONE...Today and tonight. Wind chills are expected to fall to 10 to 25 below zero over parts of central and northeast Missouri as well as west central Illinois late tonight where a Cold Weather Advisory has been issued. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Accumulating snow is likely over much of the area this weekend. A Winter Storm Watch is in effect along and south of I-70 late Friday night into Sunday Morning. Wind chills are expected to fall to 10 below zero across the entire area late Friday night and Saturday morning when a Cold Weather Advisory has been issued. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ Britt |
Previous Hazardous Weather Outlooks may be found at
NWS St. Louis, MO (LSX) Office Hazardous Weather Outlooks.
(Click 'Previous Version' there to view past versions successively.
Some may differ only in time posted.)
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NWS Information Parsing Script by Ken True at Saratoga Weather - WFO and Products Scripts by SE Lincoln Weather.
Mapping by Curly at Michiana Weather and by Tom at My Mishawaka Weather.