027 FLUS43 KGRB 231503 AAA HWOGRB Hazardous Weather Outlook...UPDATED National Weather Service Green Bay WI 1003 AM CDT Sun Aug 23 2026 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-241515- Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County- Southern Oconto County- 1003 AM CDT Sun Aug 23 2026 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Rest of today and tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday through Saturday There is a chance of thunderstorms Tuesday afternoon through Wednesday evening. The risk of widespread severe weather is low. A small chance of thunderstorms will return next weekend. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight. $$ LMZ521-522-541>543-241515- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 1003 AM CDT Sun Aug 23 2026 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Rest of today and tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday through Saturday Conditions hazardous to small craft are possible Tuesday afternoon into Tuesday evening. There is a chance of thunderstorms Tuesday night through Wednesday evening, then again next weekend. Any thunderstorm could pose a hazard to mariners. $$ JLA  592 FLUS43 KBIS 231511 HWOBIS Hazardous Weather Outlook National Weather Service Bismarck ND 1011 AM CDT Sun Aug 23 2026 NDZ009-017-018-031>033-040-041-043-044-241515- Williams-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope- Hettinger-Bowman-Adams- 1011 AM CDT Sun Aug 23 2026 /911 AM MDT Sun Aug 23 2026/ This Hazardous Weather Outlook is for portions of northwest North Dakota and southwest North Dakota. .DAY ONE...Today and Tonight Isolated to scattered severe thunderstorms are possible this afternoon and evening. Potential hazards include hail up to the size of ping pong balls, damaging winds up to 70 mph, and torrential downpours. .DAYS TWO THROUGH SEVEN...Monday through Saturday Near-critical fire weather conditions are possible Monday afternoon, and could return to far southwest North Dakota Tuesday afternoon. .SPOTTER INFORMATION STATEMENT... Spotters are asked to provide reports to the NWS using standard procedures, including through our social media accounts. $$ NDZ001>005-010-012-013-019-020-022-023-025-035>037-042-046>048- 050-051-055>062-241515- Divide-Burke-Renville-Bottineau-Rolette-Mountrail-McHenry-Pierce- Mercer-Oliver-Sheridan-Wells-Foster-Burleigh-Kidder-Stutsman- Grant-Emmons-Logan-La Moure-McIntosh-Dickey-Northwest Ward- Central and Southern Ward/Minot Area-Western McLean- Eastern McLean-Western Morton-Eastern Morton-Western Sioux- Eastern Sioux- 1011 AM CDT Sun Aug 23 2026 /911 AM MDT Sun Aug 23 2026/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, south central North Dakota, and southeast North Dakota. .DAY ONE...Today and Tonight There are medium chances for thunderstorms this afternoon through tonight. A few storms may be severe, mainly in western and south central North Dakota, with hail up to the size of ping pong balls, damaging winds up to 70 mph, and torrential downpours. .DAYS TWO THROUGH SEVEN...Monday through Saturday There is a conditional risk for isolated severe thunderstorms in central and eastern North Dakota Monday afternoon and evening. Potential hazards include large hail up to 2 inches in diameter and damaging winds up to 70 mph. .SPOTTER INFORMATION STATEMENT... Spotters are asked to provide reports to the NWS using standard procedures, including through our social media accounts. $$  071 FLUS43 KLOT 231555 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 1055 AM CDT Sun Aug 23 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-241600- Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton- 1055 AM CDT Sun Aug 23 2026 /1155 AM EDT Sun Aug 23 2026/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Today and Tonight. Weather hazards expected... High Swim Risk Lake Michigan Beaches. DISCUSSION... Dangerous swimming conditions are expected at Porter County Lake Michigan beaches through early evening. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Wednesday... Limited Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-241600- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1055 AM CDT Sun Aug 23 2026 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Wednesday... Limited Thunderstorm Risk. $$ - Izzi Visit us at www.weather.gov/chicago