Alert archive / Missouri / Frost Advisories in 2025

Frost Advisory 5, NWS St. Louis, MO

November 1, 2025Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this frost advisory at Nov 1, 2025, 1:50 PM CDT for Saint Louis County, City of Saint Louis, Missouri. It took effect at Nov 2, 2025, 1:00 AM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Nov 1, 2025, 1:50 PM CDT (18:50 UTC)
In effect from
Nov 2, 2025, 1:00 AM CST
Expired
Nov 2, 2025, 7:00 AM CST
In force
6 hr
Issued by
NWS St. Louis, MO

Counties City of Saint Louis, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 32 km from the middle of the area, began a volume at 18:52 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 1:55 AM CDTFreeze WarningLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 21 more31 hr

Nearby

Frost Advisories in Missouri, 2025Every frost advisory in 2025

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.