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Home Return to list Severe Thunderstorm Warning 0076 Issued by the La Crosse Forecast Office
Action: New Issued At: 2026-05-17 23:40:14 209 WUUS53 KARX 180440 SVRARX IAC191-180530- /O.NEW.KARX.SV.W.0076.260518T0440Z-260518T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service La Crosse WI 1140 PM CDT Sun May 17 2026 The National Weather Service in La Crosse has issued a * Severe Thunderstorm Warning for... Northern Winneshiek County in northeastern Iowa... * Until 1230 AM CDT. * At 1138 PM CDT, severe thunderstorms were located along a line extending from near Harmony to near Ridgeway to near Waucoma, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Decorah around 1145 PM CDT. Other locations impacted by these severe thunderstorms include Hesper, Highlandville, Burr Oak, Bluffton, Chimney Rock Campground, Locust, and Sattre. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 100 AM CDT for northeastern Iowa. && LAT...LON 4350 9208 4350 9161 4334 9161 4321 9208 TIME...MOT...LOC 0438Z 238DEG 48KT 4353 9209 4336 9197 4309 9201 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Falkinham Action: Continued Issued At: 2026-05-17 23:54:14 575 WWUS53 KARX 180453 SVSARX Severe Weather Statement National Weather Service La Crosse WI 1153 PM CDT Sun May 17 2026 IAC191-180530- /O.CON.KARX.SV.W.0076.000000T0000Z-260518T0530Z/ Winneshiek IA- 1153 PM CDT Sun May 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR NORTHEASTERN WINNESHIEK COUNTY... At 1153 PM CDT, severe thunderstorms were located along a line extending from near Canton to 6 miles south of Mabel to near Ossian, moving northeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe thunderstorms will remain over mainly rural areas of northeastern Winneshiek County, including the following locations... State Road 9 And 245th Street, Highway 52 And County W 34, Hesper, Highlandville, County Roads W 20 And A 34, Burr Oak, and Bluffton. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 100 AM CDT for northeastern Iowa. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4326 9189 4350 9203 4350 9161 4334 9161 TIME...MOT...LOC 0453Z 244DEG 43KT 4359 9189 4342 9177 4315 9181 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Falkinham Action: Continued Issued At: 2026-05-18 00:00:14 818 WWUS53 KARX 180459 SVSARX Severe Weather Statement National Weather Service La Crosse WI 1159 PM CDT Sun May 17 2026 IAC191-180530- /O.CON.KARX.SV.W.0076.000000T0000Z-260518T0530Z/ Winneshiek IA- 1159 PM CDT Sun May 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR NORTHEASTERN WINNESHIEK COUNTY... At 1159 PM CDT, a severe thunderstorm was located near Mabel, or 12 miles northeast of Decorah, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Hesper, Locust, Sattre, and Highlandville. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 100 AM CDT for northeastern Iowa. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4330 9175 4350 9190 4350 9161 4334 9161 TIME...MOT...LOC 0459Z 238DEG 48KT 4347 9167 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Falkinham Action: Cancelled Issued At: 2026-05-18 00:08:45 969 WWUS53 KARX 180508 SVSARX Severe Weather Statement National Weather Service La Crosse WI 1208 AM CDT Mon May 18 2026 IAC191-180518- /O.CAN.KARX.SV.W.0076.000000T0000Z-260518T0530Z/ Winneshiek IA- 1208 AM CDT Mon May 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WINNESHIEK COUNTY IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 100 AM CDT for northeastern Iowa. A Severe Thunderstorm Watch remains in effect until 400 AM CDT for northeastern Iowa. && LAT...LON 4330 9175 4350 9190 4350 9161 4334 9161 TIME...MOT...LOC 0506Z 238DEG 48KT 4353 9153 $$ Falkinham | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||