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Green County Sheriff's Office
Friday April 17th, 2026 :: 05:28 p.m. CDT

Alert

Severe Thunderstorm Warning until 06:30PM

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

* Severe Thunderstorm Warning for... Eastern Green County in south central Wisconsin... Walworth County in southeastern Wisconsin... Rock County in south central Wisconsin... Southwestern Waukesha County in southeastern Wisconsin... Southeastern Dane County in south central Wisconsin... Southern Jefferson County in southeastern Wisconsin...

* Until 630 PM CDT.

* At 525 PM CDT, severe thunderstorms were located along a line extending from near Clinton to near Footville to Albany, moving northeast at 55 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Public. Ping-pong sized hail reported in Monroe. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.

* Locations impacted include... Janesville, Beloit, Fitchburg, Whitewater, Stoughton, Fort Atkinson, Elkhorn, Oregon, Delavan, Jefferson, McFarland, Lake Geneva, Mukwonago, Milton, Edgerton, Evansville, East Troy, Brodhead, Williams Bay, and Genoa City. Other landmarks included are the following Location Ottawa Lake Recreation Area.

* AFFECTED AREAS: DANE, WI ... GREEN, WI ... JEFFERSON, WI ... ROCK, WI ... WALWORTH, WI ... WAUKESHA, 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. A Tornado Watch remains in effect until 800 PM CDT for south central and southeastern Wisconsin.

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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