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Green County Sheriff's Office
Friday August 21st, 2026 :: 03:54 p.m. CDT

Alert

Severe Thunderstorm Warning until 05:00PM

SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a

* Severe Thunderstorm Warning for... East central Iowa County in south central Wisconsin... Western Dane County in south central Wisconsin...

* Until 500 PM CDT.

* At 354 PM CDT, a severe thunderstorm was located near Mazomanie, or 10 miles southwest of Sauk City, moving southeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

* Locations impacted include... Western Madison, Middleton, Waunakee, Verona, Mount Horeb, Cross Plains, Mazomanie, Black Earth, Barneveld, Blue Mounds, Arena, Pine Bluff, Blue Mound St Park, Mount Vernon, and Marxville. Other landmarks included are the following Location Hyde's Mill.

* AFFECTED AREAS: DANE, WI ... IOWA, WI

Instructions:

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.

Address/Location
Green County Sheriff's Office
2827 6th St
Monroe, WI 53566

Contact
Emergency: 9-1-1
Non-emergencies: 608-328-9400

TEXT-A-TIP -  Text TIP GREENSHERIFF followed by your message, to 888777

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Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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