Alert archive / Missouri / Cold Weather Advisories in 2026

Cold Weather Advisory 2, NWS St. Louis, MO

January 22, 202629 counties in Missouri; 17 counties in Illinois

NWS St. Louis, MO issued this cold weather advisory at Jan 22, 2026, 2:29 AM CST for 29 counties in Missouri; 17 counties in Illinois. It took effect at Jan 23, 2026, 3:00 AM CST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Jan 22, 2026, 2:29 AM CST (08:29 UTC)
In effect from: Jan 23, 2026, 3:00 AM CST
Expired: Jan 24, 2026, 12:00 PM CST
In force: 33 hr
Issued by: NWS St. Louis, MO

All 46 counties

Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 18 km from the middle of the area, began a volume at 08:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this cold weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this cold weather advisory went out at Jan 21, 9:52 PM CST, 4 hours 37 minutes earlier.

Area forecast discussion, Jan 21, 9:52 PM CST, 4 hours 37 minutes before

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Hazardous weather outlook, Jan 21, 2:58 PM CST, 11 hours 31 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 22, 1:15 PM CST	Winter Storm Watch	LSX	Audrain, Lincoln, Monroe, Pike, Ralls	13 hr
Jan 22, 1:15 PM CST	Winter Storm Warning	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 18 more	3 days

Nearby

Cold Weather Advisories in Missouri, 2026 Cold Weather Advisories in Illinois, 2026 Every cold weather advisory in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.