Columbia County, Wisconsin: tornado and severe weather warnings

A freeze warning is in effect for Columbia County as of 4:22 PM CDT.

Open the live map on Columbia County Get a message when a warning reaches your address

The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Columbia County. Tap your own street on it for times that apply to you.

The last 12 months in Columbia County

• 6 tornado warnings
• 37 severe thunderstorm warnings
• 0 flash flood warnings
• 4 tornado watches
• 8 severe thunderstorm watches

The most recent tornado warning that included Columbia County was issued Aug 18, 2026 by the Weather Service office in Milwaukee/Sullivan, WI.

A warning counts here if the Weather Service listed Columbia County in it, even if the warned area covered only part of the county.

Nearby

• Marquette County, WI
• Green Lake County, WI
• Dane County, WI
• Sauk County, WI
• Dodge County, WI
• Adams County, WI
• Jefferson County, WI
• Waushara County, WI
• All of Wisconsin

Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.