Weather Alerts For Monroe, WI

# HEADLINE -------------------- FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY # DETAILS -------------------- WHAT Low temperatures in the lower to middle 30s will result in frost formation. WHERE Portions of east central, south central, and southeast Wisconsin. WHEN From 1 AM to 8 AM CDT Wednesday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ISSUED AT Tuesday, May 5, 2026 at 8:32 PM CDT ISSUED BY National Weather Service Milwaukee/Sullivan WI HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. Bring them indoors or cover them up. # AREAS AFFECTED -------------------- Washington, Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Lafayette, Marquette, Rock, Sauk, Sheboygan, Waukesha Including the cities of Oxford, Waupun, Mayville, Portage, Brodhead, Fond Du Lac, Berlin, Sheboygan Falls, Belmont, Brookfield, Prairie Du Sac, Baraboo, Watertown, Howards Grove, Beloit, Blanchardville, Dodgeville, Argyle, Fort Atkinson, Janesville, Darlington, Neshkoro, Muskego, Princeton, Monroe, Plymouth, Columbus, Hartford, Endeavor, Barneveld, Madison, Sauk City, Shullsburg, Oostburg, Lake Wisconsin, New Berlin, Mineral Point, Beaver Dam, Germantown, Menomonee Falls, Markesan, Westfield, Benton, Jefferson, West Bend, Reedsburg, Montello, Waukesha, and Lodi

Pollen Index: 9.6 Pollen Level: medium-high Predominant Pollen: Maple, Birch and Oak. The amount of pollen in the air for Wednesday will be rising in the high range. This is likely to be caused in part by drier air.