Alert archive / Wisconsin / Frost Advisories

Frost Advisories in Wisconsin, 2026

43 frost advisories in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of frost advisories reaches back to 2005.

Frost Advisories by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Frost Advisories: 43
Busiest month: May27 frost advisories
Busiest day: April 29, 20264 frost advisories

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Apr 29, 12:56 PM CDT	Frost Advisory	ARX	Buffalo, Crawford, La Crosse, Richland, Trempealeau, Vernon	19 hr
Apr 29, 1:00 PM CDT	Frost Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green Lake, Jefferson and 4 more	19 hr
Apr 29, 1:01 PM CDT	Frost Advisory	MPX	Dunn, Eau Claire, Pepin, Pierce	19 hr
Apr 29, 1:03 PM CDT	Frost Advisory	GRB	Brown, Calumet, Marathon, Outagamie, Portage, Shawano and 4 more	19 hr
Apr 30, 1:10 PM CDT	Frost Advisory	MKX	Dane, Dodge, Fond du Lac, Green, Iowa, Jefferson and 6 more	19 hr
Apr 30, 1:25 PM CDT	Frost Advisory	ARX	Buffalo, Crawford, Grant, La Crosse	19 hr
Apr 30, 1:31 PM CDT	Frost Advisory	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Outagamie and 3 more	18 hr
Apr 30, 1:46 PM CDT	Frost Advisory	MPX	Pepin, Pierce	18 hr
May 1, 1:42 AM CDT	Frost Advisory	MKX	Kenosha, Milwaukee, Racine	30 hr
May 5, 12:53 PM CDT	Frost Advisory	MPX	Pepin, Pierce, Saint Croix	19 hr
May 5, 1:08 PM CDT	Frost Advisory	ARX	Buffalo, Crawford, Grant, La Crosse, Richland, Vernon	19 hr
May 5, 1:13 PM CDT	Frost Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	19 hr
May 5, 1:42 PM CDT	Frost Advisory	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Marathon and 7 more	18 hr
May 6, 1:07 PM CDT	Frost Advisory	MPX	Chippewa, Dunn, Eau Claire, Pepin, Rusk	19 hr
May 6, 1:09 PM CDT	Frost Advisory	ARX	Adams, Buffalo, Clark, Crawford, Grant, Jackson and 7 more	19 hr
May 6, 1:20 PM CDT	Frost Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	19 hr
May 6, 1:23 PM CDT	Frost Advisory	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Marathon and 7 more	19 hr
May 7, 12:40 PM CDT	Frost Advisory	MPX	Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more	19 hr
May 7, 12:47 PM CDT	Frost Advisory	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Marathon and 7 more	19 hr
May 7, 12:48 PM CDT	Frost Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	19 hr
May 7, 12:58 PM CDT	Frost Advisory	ARX	Adams, Buffalo, Clark, Crawford, Grant, Jackson and 7 more	19 hr
May 9, 12:59 PM CDT	Frost Advisory	MPX	Barron, Chippewa, Dunn, Eau Claire, Polk, Rusk and 1 more	17 hr
May 9, 1:15 PM CDT	Frost Advisory	GRB	Marathon, Portage, Shawano, Waupaca, Waushara, Wood	19 hr
May 9, 1:25 PM CDT	Frost Advisory	ARX	Adams, Clark, Jackson, Juneau, Monroe, Taylor	19 hr
May 10, 11:59 AM CDT	Frost Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 11 more	20 hr
May 10, 12:00 PM CDT	Frost Advisory	ARX	Buffalo, Crawford, Grant, La Crosse, Richland, Vernon	20 hr
May 10, 1:00 PM CDT	Frost Advisory	MPX	Dunn, Pepin, Pierce, Saint Croix	19 hr
May 13, 11:31 AM CDT	Frost Advisory	DLH	Ashland, Bayfield, Iron, Price, Sawyer	19 hr
May 13, 12:54 PM CDT	Frost Advisory	ARX	Adams, Clark, Jackson, Juneau, Monroe, Taylor	18 hr
May 13, 1:05 PM CDT	Frost Advisory	GRB	Marathon, Portage, Shawano, Waupaca, Waushara, Wood	18 hr
May 19, 12:23 PM CDT	Frost Advisory	MPX	Barron, Polk, Rusk	20 hr
May 19, 2:09 PM CDT	Frost Advisory	DLH	Ashland, Bayfield, Burnett, Douglas, Iron, Price and 2 more	18 hr
May 20, 1:17 PM CDT	Frost Advisory	GRB	Door, Florence, Forest, Langlade, Lincoln, Marinette and 4 more	19 hr
May 20, 2:12 PM CDT	Frost Advisory	DLH	Ashland, Bayfield, Douglas, Iron, Price, Sawyer	18 hr
May 21, 11:06 AM CDT	Frost Advisory	DLH	Douglas	20 hr
Sep 13, 2:08 AM CDT	Frost Advisory	GRB	Florence, Forest, Langlade, Lincoln, Marinette, Oconto and 2 more	30 hr
Sep 13, 3:26 AM CDT	Frost Advisory	DLH	Ashland, Bayfield, Burnett, Douglas, Iron, Price and 2 more	29 hr
Sep 13, 8:18 AM CDT	Frost Advisory	ARX	Jackson, Monroe	24 hr
Sep 21, 12:37 PM CDT	Frost Advisory	GRB	Florence, Forest, Lincoln, Oneida, Vilas	18 hr
Sep 21, 12:59 PM CDT	Frost Advisory	DLH	Ashland, Bayfield, Burnett, Douglas, Iron, Price and 2 more	19 hr
Sep 22, 12:30 PM CDT	Frost Advisory	GRB	Florence, Forest, Lincoln, Oneida, Vilas	19 hr
Sep 22, 1:04 PM CDT	Frost Advisory	DLH	Ashland, Bayfield, Douglas, Iron, Price, Sawyer and 1 more	19 hr
Sep 30, 11:58 PM CDT	Frost Advisory	DLH	Ashland, Bayfield, Douglas, Iron, Sawyer, Washburn	33 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

32 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.