Alert archive / Wisconsin / Frost Advisories in 2025

Frost Advisory 13, NWS Duluth, MN

September 7, 2025Carlton County, Koochiching County, Saint Louis County, Minnesota; 6 counties in Wisconsin

NWS Duluth, MN issued this frost advisory at Sep 7, 2025, 1:34 PM CDT for Carlton County, Koochiching County, Saint Louis County, Minnesota; 6 counties in Wisconsin. It took effect at Sep 8, 2025, 1:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Sep 7, 2025, 1:34 PM CDT (18:34 UTC)
In effect from
Sep 8, 2025, 1:00 AM CDT
Expired
Sep 8, 2025, 8:00 AM CDT
In force
7 hr
Issued by
NWS Duluth, MN

Counties Carlton County, MN, Koochiching County, MN, Saint Louis County, MN, Ashland County, WI, Bayfield County, WI, Douglas County, WI, Iron County, WI, Price County, WI, Sawyer County, WI

The radar

The Duluth radar (KDLH), 50 km from the middle of the area, began a volume at 18:32 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.

Nearby

Frost Advisories in Wisconsin, 2025Frost Advisories in Minnesota, 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.