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Local weather alerts previously issued by the National Weather Service since 07/17/2013.

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Friday April 18, 2025
39 total alerts issued on this day
LOCATIONS & ALERT COUNT: Sauk County  1  Iowa County  2  Dane County  2  Columbia County  2  Dodge County  2  
 
Sauk County
SVR.gif   SEVERE THUNDERSTORM WARNING   (5 updates)
SVRMKX
Areas affected: Iowa, WI; Sauk, WI
Effective: Apr 18 5:07 am Expired: Apr 18 6:00 am Duration: 0 hrs   53 mins  
At 522 AM CDT, a severe thunderstorm was located 7 miles north of
Areas affected: Iowa, WI; Sauk, WI
Effective: Apr 18 5:23 am Expired: Apr 18 6:00 am Duration: 0 hrs   37 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:35 am Expired: Apr 18 6:30 am Duration: 0 hrs   55 mins  
At 558 AM CDT, a severe thunderstorm was located near Deforest, or 7
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:58 am Expired: Apr 18 6:30 am Duration: 0 hrs   32 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Green, WI; Iowa, WI; Lafayette, WI; Sauk, WI
Effective: Apr 18 6:15 am Expired: Apr 18 7:00 am Duration: 0 hrs   45 mins  
Iowa County   2 alerts
SVR.gif   SEVERE THUNDERSTORM WARNING   (7 updates)
SVRMKX
Areas affected: Iowa, WI; Sauk, WI
Effective: Apr 18 5:07 am Expired: Apr 18 6:00 am Duration: 0 hrs   53 mins  
At 522 AM CDT, a severe thunderstorm was located 7 miles north of
Areas affected: Iowa, WI; Sauk, WI
Effective: Apr 18 5:23 am Expired: Apr 18 6:00 am Duration: 0 hrs   37 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:35 am Expired: Apr 18 6:30 am Duration: 0 hrs   55 mins  
SVRMKX
Areas affected: Iowa, WI; Lafayette, WI
Effective: Apr 18 5:41 am Expired: Apr 18 6:30 am Duration: 0 hrs   49 mins  
At 555 AM CDT, severe thunderstorms were located along a line
Areas affected: Iowa, WI; Lafayette, WI
Effective: Apr 18 5:57 am Expired: Apr 18 6:30 am Duration: 0 hrs   33 mins  
At 558 AM CDT, a severe thunderstorm was located near Deforest, or 7
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:58 am Expired: Apr 18 6:30 am Duration: 0 hrs   32 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Green, WI; Iowa, WI; Lafayette, WI; Sauk, WI
Effective: Apr 18 6:15 am Expired: Apr 18 7:00 am Duration: 0 hrs   45 mins  
SVA.gif   SEVERE THUNDERSTORM WATCH  
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
Areas affected: Columbia, WI; Dane, WI; Dodge, WI; Green, WI; Iowa, WI; Jefferson, WI; Kenosha, WI; Lafayette, WI; Milwaukee, WI; Ozaukee, WI; Racine, WI; Rock, WI; Walworth, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 5:53 am Expired: Apr 18 11:00 am Duration: 5 hrs   07 mins  
Dane County   2 alerts
SVR.gif   SEVERE THUNDERSTORM WARNING   (9 updates)
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:35 am Expired: Apr 18 6:30 am Duration: 0 hrs   55 mins  
At 558 AM CDT, a severe thunderstorm was located near Deforest, or 7
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:58 am Expired: Apr 18 6:30 am Duration: 0 hrs   32 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Green, WI; Iowa, WI; Lafayette, WI; Sauk, WI
Effective: Apr 18 6:15 am Expired: Apr 18 7:00 am Duration: 0 hrs   45 mins  
At 632 AM CDT, severe thunderstorms were located along a line
Areas affected: Columbia, WI; Dane, WI; Green, WI; Lafayette, WI
Effective: Apr 18 6:32 am Expired: Apr 18 7:00 am Duration: 0 hrs   28 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Dodge, WI; Green, WI; Jefferson, WI; Rock, WI
Effective: Apr 18 6:45 am Expired: Apr 18 7:30 am Duration: 0 hrs   45 mins  
SVRMKX
Areas affected: Dane, WI; Jefferson, WI; Rock, WI
Effective: Apr 18 7:06 am Expired: Apr 18 7:45 am Duration: 0 hrs   39 mins  
SVRMKX
Areas affected: Dane, WI; Dodge, WI; Jefferson, WI; Milwaukee, WI; Ozaukee, WI; Rock, WI; Walworth, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 7:18 am Expired: Apr 18 8:15 am Duration: 0 hrs   57 mins  
SVRMKX
Areas affected: Dane, WI
Effective: Apr 18 7:27 am Expired: Apr 18 8:15 am Duration: 0 hrs   48 mins  
At 736 AM CDT, severe thunderstorms were located along a line
Areas affected: Dane, WI; Dodge, WI; Jefferson, WI; Milwaukee, WI; Ozaukee, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 7:36 am Expired: Apr 18 8:15 am Duration: 0 hrs   39 mins  
SVA.gif   SEVERE THUNDERSTORM WATCH  
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
Areas affected: Columbia, WI; Dane, WI; Dodge, WI; Green, WI; Iowa, WI; Jefferson, WI; Kenosha, WI; Lafayette, WI; Milwaukee, WI; Ozaukee, WI; Racine, WI; Rock, WI; Walworth, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 5:53 am Expired: Apr 18 11:00 am Duration: 5 hrs   07 mins  
Columbia County   2 alerts
SVR.gif   SEVERE THUNDERSTORM WARNING   (6 updates)
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:35 am Expired: Apr 18 6:30 am Duration: 0 hrs   55 mins  
At 558 AM CDT, a severe thunderstorm was located near Deforest, or 7
Areas affected: Columbia, WI; Dane, WI; Iowa, WI; Sauk, WI
Effective: Apr 18 5:58 am Expired: Apr 18 6:30 am Duration: 0 hrs   32 mins  
At 607 AM CDT, a severe thunderstorm was located near Columbus, moving east at 65 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Wyocena, Fall River, Harmony Grove, Otsego, Columbus, Interstate
Areas affected: Columbia, WI
Effective: Apr 18 6:08 am Expired: Apr 18 6:30 am Duration: 0 hrs   22 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Green, WI; Iowa, WI; Lafayette, WI; Sauk, WI
Effective: Apr 18 6:15 am Expired: Apr 18 7:00 am Duration: 0 hrs   45 mins  
At 632 AM CDT, severe thunderstorms were located along a line
Areas affected: Columbia, WI; Dane, WI; Green, WI; Lafayette, WI
Effective: Apr 18 6:32 am Expired: Apr 18 7:00 am Duration: 0 hrs   28 mins  
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Dodge, WI; Green, WI; Jefferson, WI; Rock, WI
Effective: Apr 18 6:45 am Expired: Apr 18 7:30 am Duration: 0 hrs   45 mins  
SVA.gif   SEVERE THUNDERSTORM WATCH  
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
Areas affected: Columbia, WI; Dane, WI; Dodge, WI; Green, WI; Iowa, WI; Jefferson, WI; Kenosha, WI; Lafayette, WI; Milwaukee, WI; Ozaukee, WI; Racine, WI; Rock, WI; Walworth, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 5:53 am Expired: Apr 18 11:00 am Duration: 5 hrs   07 mins  
Dodge County   2 alerts
SVA.gif   SEVERE THUNDERSTORM WATCH  
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
Areas affected: Columbia, WI; Dane, WI; Dodge, WI; Green, WI; Iowa, WI; Jefferson, WI; Kenosha, WI; Lafayette, WI; Milwaukee, WI; Ozaukee, WI; Racine, WI; Rock, WI; Walworth, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 5:53 am Expired: Apr 18 11:00 am Duration: 5 hrs   07 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING   (5 updates)
SVRMKX
Areas affected: Columbia, WI; Dane, WI; Dodge, WI; Green, WI; Jefferson, WI; Rock, WI
Effective: Apr 18 6:45 am Expired: Apr 18 7:30 am Duration: 0 hrs   45 mins  
SVRMKX
Areas affected: Dane, WI; Dodge, WI; Jefferson, WI; Milwaukee, WI; Ozaukee, WI; Rock, WI; Walworth, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 7:18 am Expired: Apr 18 8:15 am Duration: 0 hrs   57 mins  
At 736 AM CDT, severe thunderstorms were located along a line
Areas affected: Dane, WI; Dodge, WI; Jefferson, WI; Milwaukee, WI; Ozaukee, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 7:36 am Expired: Apr 18 8:15 am Duration: 0 hrs   39 mins  
At 800 AM CDT, severe thunderstorms were located along a line
Areas affected: Dodge, WI; Jefferson, WI; Milwaukee, WI; Ozaukee, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 8:01 am Expired: Apr 18 8:15 am Duration: 0 hrs   14 mins  
SVRMKX
Areas affected: Dodge, WI; Jefferson, WI; Milwaukee, WI; Ozaukee, WI; Washington, WI; Waukesha, WI
Effective: Apr 18 8:11 am Expired: Apr 18 9:00 am Duration: 0 hrs   49 mins