Extreme Cold Watch

Locations Affected

Madison, WI ∙ Milwaukee, WI ∙ Kenosha, WI ∙ Waukesha, WI ∙ Racine, WI ∙ Janesville, WI ∙ West Allis, WI ∙ Lamartine, WI ∙ Lake Lorraine, WI ∙ Mifflin, WI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 147 PM CST Wed Jan 21 2026 ...EXTREME COLD WARNING REMAINS IN EFFECT FROM MIDNIGHT THURSDAY NIGHT TO 1 PM CST FRIDAY... ...EXTREME COLD WATCH NOW IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY MORNING... * WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 40 below expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 28 below possible. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...For the Extreme Cold Warning, from midnight Thursday Night to 1 PM CST Friday. For the Extreme Cold Watch, from Friday afternoon through Saturday morning. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Dress in layers including a hat, face mask, and gloves if you must go outside.

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