813 WUUS53 KMKX 091603 SVRMKX WIC101-127-133-091630- /O.NEW.KMKX.SV.W.0238.260809T1603Z-260809T1630Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Milwaukee/Sullivan WI 1103 AM CDT Sun Aug 9 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Northern Walworth County in southeastern Wisconsin... Northwestern Racine County in southeastern Wisconsin... Southern Waukesha County in southeastern Wisconsin... * Until 1130 AM CDT. * At 1103 AM CDT, a severe thunderstorm was located near Palmyra, or near East Troy, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Muskego, Elkhorn, Mukwonago, East Troy, Wind Lake, Rochester, Big Bend, Browns Lake, Waterford North, Potter Lake, Eagle Lake, Burlington, Waterford, La Grange, Eagle, Honey Creek, Abells Corners, Tibbets, Millard, and Kansasville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4270 8869 4284 8861 4284 8855 4289 8854 4291 8807 4267 8809 4267 8819 TIME...MOT...LOC 1603Z 270DEG 41KT 4281 8853 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  544 WWUS53 KMKX 091605 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 1105 AM CDT Sun Aug 9 2026 WIC055-091615- /O.CON.KMKX.SV.W.0237.000000T0000Z-260809T1615Z/ Jefferson WI- 1105 AM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT FOR SOUTHEASTERN JEFFERSON COUNTY... At 1105 AM CDT, a severe thunderstorm was located near Palmyra, or near East Troy, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Palmyra. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4285 8868 4292 8861 4297 8854 4284 8854 TIME...MOT...LOC 1605Z 278DEG 37KT 4284 8850 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  836 WUUS53 KMKX 091610 SVRMKX WIC079-133-091700- /O.NEW.KMKX.SV.W.0239.260809T1610Z-260809T1700Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Milwaukee/Sullivan WI 1110 AM CDT Sun Aug 9 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Milwaukee County in southeastern Wisconsin... Eastern Waukesha County in southeastern Wisconsin... * Until noon CDT. * At 1110 AM CDT, a severe thunderstorm was located over Waukesha, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Milwaukee, Waukesha, West Allis, Wauwatosa, New Berlin, Brookfield, Greenfield, Menomonee Falls, Oak Creek, Muskego, South Milwaukee, Cudahy, Whitefish Bay, Greendale, Pewaukee, Brown Deer, Sussex, St. Francis, Hales Corners, and Mukwonago. People attending The Greenfield Farmers Market , and The Riverwest Farmers Market should seek safe shelter immediately! Other landmarks included are the following Locations Schlitz Audobon Nature Center, Boerner Botanical Gardens, General Mitchell International Airport, Timmerman Airport, Froedert & the Medical College, Fiserv Forum, and Pewaukee Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4284 8783 4286 8838 4319 8829 4319 8789 4316 8788 4312 8790 4310 8787 4307 8787 4305 8789 4302 8790 4296 8785 4288 8785 4285 8782 TIME...MOT...LOC 1610Z 276DEG 32KT 4298 8828 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  264 WWUS53 KMKX 091614 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 1114 AM CDT Sun Aug 9 2026 WIC101-127-133-091630- /O.CON.KMKX.SV.W.0238.000000T0000Z-260809T1630Z/ Walworth WI-Racine WI-Waukesha WI- 1114 AM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR NORTHEASTERN WALWORTH...NORTHWESTERN RACINE AND SOUTHEASTERN WAUKESHA COUNTIES... At 1114 AM CDT, a severe thunderstorm was located over Potter Lake, or over East Troy, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Muskego, Elkhorn, Mukwonago, East Troy, Wind Lake, Rochester, Big Bend, Browns Lake, Waterford North, Potter Lake, Eagle Lake, Burlington, Waterford, Honey Creek, and Kansasville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4269 8857 4288 8838 4291 8807 4267 8809 4267 8819 TIME...MOT...LOC 1614Z 269DEG 40KT 4281 8835 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  930 FZUS73 KLOT 091625 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 1125 AM CDT Sun Aug 9 2026 LMZ740-777-091730- 1125 AM CDT Sun Aug 9 2026 A Marine Weather Statement has been issued for the following areas... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... At 1124 AM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 15 nm west of Oak Creek to 17 nm north of McHenry to 36 nm northwest of Elgin, moving southeast at 30 knots. These storms will approach the nearshore around or shortly after 12 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. These strong thunderstorms will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives. && LAT...LON 4246 8702 4213 8696 4211 8760 4208 8768 4214 8775 4227 8783 4248 8780 $$ Carlaw  736 WUUS53 KMKX 091628 SVRMKX WIC059-101-127-091715- /O.NEW.KMKX.SV.W.0240.260809T1628Z-260809T1715Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Milwaukee/Sullivan WI 1128 AM CDT Sun Aug 9 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Eastern Walworth County in southeastern Wisconsin... Racine County in southeastern Wisconsin... Kenosha County in southeastern Wisconsin... * Until 1215 PM CDT. * At 1128 AM CDT, a severe thunderstorm was located over Rochester, or near Wind Lake, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Kenosha, Racine, Mount Pleasant, Pleasant Prairie, Antioch, Lake Geneva, Sturtevant, Union Grove, East Troy, Paddock Lake, Williams Bay, Camp Lake, Wind Lake, Winthrop Harbor, Twin Lakes, Rochester, Raymond, Wheatland, Yorkville, and Genoa City. People attending The Wisconsin Womens Triathlon , and Bristol Renaissance Faire should seek safe shelter immediately! PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4250 8858 4280 8838 4284 8841 4284 8782 4278 8775 4276 8777 4271 8777 4266 8781 4261 8782 4249 8780 TIME...MOT...LOC 1628Z 273DEG 36KT 4276 8818 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  047 WWUS53 KMKX 091629 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 1129 AM CDT Sun Aug 9 2026 WIC079-133-091700- /O.CON.KMKX.SV.W.0239.000000T0000Z-260809T1700Z/ Milwaukee WI-Waukesha WI- 1129 AM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR MILWAUKEE AND SOUTHEASTERN WAUKESHA COUNTIES... At 1129 AM CDT, a severe thunderstorm was located over Hales Corners, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Milwaukee, West Allis, Wauwatosa, New Berlin, Brookfield, Greenfield, Menomonee Falls, Oak Creek, Muskego, South Milwaukee, Cudahy, Whitefish Bay, Greendale, Brown Deer, St. Francis, Hales Corners, Fox Point, Elm Grove, Bayside, and West Milwaukee. People attending The Greenfield Farmers Market , and The Riverwest Farmers Market should seek safe shelter immediately! PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 4285 8823 4319 8807 4319 8789 4316 8788 4312 8790 4310 8787 4307 8787 4305 8789 4302 8790 4296 8785 4288 8785 4285 8782 4284 8783 TIME...MOT...LOC 1629Z 276DEG 32KT 4296 8805 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  024 WWUS53 KMKX 091641 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 1141 AM CDT Sun Aug 9 2026 WIC133-091650- /O.CAN.KMKX.SV.W.0239.000000T0000Z-260809T1700Z/ Waukesha WI- 1141 AM CDT Sun Aug 9 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WAUKESHA COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has weakened. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 200 PM CDT for southeastern Wisconsin. && LAT...LON 4284 8784 4285 8807 4290 8807 4310 8798 4319 8789 4316 8788 4312 8790 4310 8787 4307 8787 4305 8789 4302 8790 4296 8785 4288 8785 4285 8782 TIME...MOT...LOC 1640Z 272DEG 38KT 4288 8790 $$ WIC079-091700- /O.CON.KMKX.SV.W.0239.000000T0000Z-260809T1700Z/ Milwaukee WI- 1141 AM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR MILWAUKEE COUNTY... At 1140 AM CDT, a severe thunderstorm was located over Oak Creek, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Milwaukee, West Allis, Wauwatosa, Greenfield, Oak Creek, South Milwaukee, Cudahy, Whitefish Bay, Greendale, St. Francis, Hales Corners, Fox Point, Bayside, West Milwaukee, Franklin, Glendale, River Hills, Milwaukee Hoan Bridge, Shorewood, and Marquette University. People attending The State Fair, Greenfield Farmers Market , and The Riverwest Farmers Market should seek safe shelter immediately! PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 4284 8784 4285 8807 4290 8807 4310 8798 4319 8789 4316 8788 4312 8790 4310 8787 4307 8787 4305 8789 4302 8790 4296 8785 4288 8785 4285 8782 TIME...MOT...LOC 1640Z 272DEG 38KT 4288 8790 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  403 FZUS73 KMKX 091644 MWSMKX Marine Weather Statement National Weather Service Milwaukee/Sullivan WI 1144 AM CDT Sun Aug 9 2026 LMZ643>646-669-671-673-675-091730- /O.CON.KMKX.MA.W.0062.000000T0000Z-260809T1730Z/ 1144 AM CDT Sun Aug 9 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT... For the following areas... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Winthrop Harbor IL... At 1143 AM CDT, strong thunderstorms were located along a line extending from 10 nm northeast of Bayside to 10 nm west of Pleasant Prairie, moving east at 35 knots. One stronger cell with gusty winds was located just north of North Point Lighthouse. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Port Washington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4248 8780 4261 8782 4278 8775 4286 8784 4297 8785 4303 8790 4307 8786 4313 8790 4318 8788 4324 8791 4339 8787 4349 8780 4358 8713 4339 8715 4246 8702 TIME...MOT...LOC 1643Z 267DEG 34KT 4327 8770 4251 8810 HAIL...<.75IN WIND...40KTS $$ MRC  363 WWUS53 KMKX 091647 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 1147 AM CDT Sun Aug 9 2026 WIC127-091657- /O.CAN.KMKX.SV.W.0240.000000T0000Z-260809T1715Z/ Walworth WI- 1147 AM CDT Sun Aug 9 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WALWORTH COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 200 PM CDT for southeastern Wisconsin. && LAT...LON 4250 8830 4272 8803 4284 8797 4284 8782 4278 8775 4276 8777 4271 8777 4266 8781 4261 8782 4249 8780 TIME...MOT...LOC 1647Z 273DEG 36KT 4275 8792 $$ WIC059-101-091715- /O.CON.KMKX.SV.W.0240.000000T0000Z-260809T1715Z/ Racine WI-Kenosha WI- 1147 AM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR NORTHEASTERN RACINE AND KENOSHA COUNTIES... At 1147 AM CDT, a severe thunderstorm was located near Sturtevant, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Kenosha, Racine, Mount Pleasant, Pleasant Prairie, Sturtevant, Union Grove, Paddock Lake, Camp Lake, Winthrop Harbor, Twin Lakes, Silver Lake, Wind Point, Caledonia, Salem, Bristol, Paris, Brighton, Somers, Elmwood Park, and North Bay. People attending The Wisconsin Womens Triathlon , and Bristol Renaissance Faire should seek safe shelter immediately! PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4250 8830 4272 8803 4284 8797 4284 8782 4278 8775 4276 8777 4271 8777 4266 8781 4261 8782 4249 8780 TIME...MOT...LOC 1647Z 273DEG 36KT 4275 8792 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MRC  811 WHUS53 KLOT 091653 SMWLOT LMZ740-777-091900- /O.NEW.KLOT.MA.W.0064.260809T1653Z-260809T1900Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Chicago/Romeoville 1153 AM CDT Sun Aug 9 2026 The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... * Until 200 PM CDT. * At 1153 AM CDT, strong thunderstorms were located along a line extending from near Racine to 10 nm northeast of McHenry to 27 nm northwest of Elgin, moving east at 35 knots. Storms will be near the nearshore waters around 1230 PM. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Winthrop Harbor and Waukegan Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... && LAT...LON 4246 8702 4212 8696 4211 8760 4208 8768 4214 8775 4227 8783 4248 8780 TIME...MOT...LOC 1653Z 277DEG 33KT 4275 8786 4250 8819 4234 8874 HAIL...<.75IN WIND...>34KTS $$ Carlaw  770 FZUS73 KMKX 091657 MWSMKX Marine Weather Statement National Weather Service Milwaukee/Sullivan WI 1157 AM CDT Sun Aug 9 2026 LMZ643>646-669-671-673-675-091730- /O.CON.KMKX.MA.W.0062.000000T0000Z-260809T1730Z/ 1157 AM CDT Sun Aug 9 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT... For the following areas... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Winthrop Harbor IL... At 1156 AM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 16 nm east of Port Washington to near Pleasant Prairie, moving east at 40 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... East southeast of Port Washington North Point Lighthouse and eastward Racine Kenosha. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4248 8780 4261 8782 4278 8775 4286 8784 4297 8785 4303 8790 4307 8786 4313 8790 4318 8788 4324 8791 4339 8787 4349 8780 4358 8713 4339 8715 4246 8702 TIME...MOT...LOC 1656Z 262DEG 39KT 4329 8753 4253 8793 WATERSPOUT...POSSIBLE HAIL...<.75IN WIND...40KTS $$ GEHRING