Severe Thunderstorm Warning until 02:30AM Friday 
The National Weather Service in Milwaukee/Sullivan has issued a
* Severe Thunderstorm Warning for... Southern Columbia County in south central Wisconsin... Dane County in south central Wisconsin...
* Until 230 AM CDT.
* At 137 AM CDT, a severe thunderstorm was located over Lake Wisconsin, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Madison, Sun Prairie, Fitchburg, Middleton, Stoughton, Waunakee, Verona, Oregon, McFarland, Monona, Mount Horeb, Windsor, Edgerton, Columbus, Prairie Du Sac, Marshall, Sauk City, Lake Wisconsin, Deforest and Cottage Grove.
* AFFECTED AREAS: COLUMBIA, WI ... DANE, WI
Instructions:
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Address/Location
Green County Sheriff's Office
2827 6th St
Monroe, WI 53566
Contact
Emergency: 9-1-1
Non-emergencies: 608-328-9400