084 FLUS43 KLOT 170305 HWOLOT Hazardous Weather Outlook National Weather Service Chicago IL 1005 PM CDT Fri Oct 16 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-180315- 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- 1005 PM CDT Fri Oct 16 2026 /1105 PM EDT Fri Oct 16 2026/ This Hazardous Weather Outlook is for portions of central Illinois, east central Illinois, north central Illinois, northeast Illinois, and northwest Indiana. .DAY ONE...Tonight Frost and freeze conditions are expected late tonight across portions of interior northern Illinois, especially near and north of I-80. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Frost and freeze conditions are likely again Saturday night into early Sunday morning, especially across northwest Indiana. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$ LMZ740>745-180315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1005 PM CDT Fri Oct 16 2026 This Hazardous Weather Outlook is for portions of Lake Michigan. .DAY ONE...Tonight Gale force winds are likely through the remainder of this evening. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Hazardous conditions for small craft are expected Saturday. $$  634 FLUS43 KLOT 170313 HWOLOT Hazardous Weather Outlook National Weather Service Chicago IL 1013 PM CDT Fri Oct 16 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-180315- 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- 1013 PM CDT Fri Oct 16 2026 /1113 PM EDT Fri Oct 16 2026/ This Hazardous Weather Outlook is for portions of central Illinois, east central Illinois, north central Illinois, northeast Illinois, and northwest Indiana. .DAY ONE...Tonight Frost and freeze conditions are expected late tonight across portions of interior northern Illinois, especially near and north of I-80. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Frost and freeze conditions are likely again Saturday night into early Sunday morning, especially across northwest Indiana. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. Beginning Monday, October 19th, the Hazardous Weather Outlook will no longer be issued by the Chicago forecast office as we transition to more effective methods of communicating this information. For a detailed look at all weather hazards expected during the next week, please see our Graphical Hazardous Weather Outlook. On our website, this is the first link under the "Current Hazards" tab. For a summary of our key weather messages, including storm motions when thunderstorms are expected, please see the Weather Story graphics available on our website and our social media channels. $$ LMZ740>745-180315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1013 PM CDT Fri Oct 16 2026 This Hazardous Weather Outlook is for portions of Lake Michigan. .DAY ONE...Tonight Gale force winds are likely through the remainder of this evening. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Hazardous conditions for small craft are expected Saturday. $$  760 FLUS43 KBIS 170316 HWOBIS Hazardous Weather Outlook National Weather Service Bismarck ND 1016 PM CDT Fri Oct 16 2026 NDZ001>005-009-010-012-013-017>020-022-023-025-031>033-035>037- 040>044-046>048-050-051-055>062-180330- Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-Sheridan-Wells-Foster- Golden Valley-Billings-Stark-Burleigh-Kidder-Stutsman-Slope- Hettinger-Grant-Bowman-Adams-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- 1016 PM CDT Fri Oct 16 2026 /916 PM MDT Fri Oct 16 2026/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, south central North Dakota, southeast North Dakota, and southwest North Dakota. .DAY ONE...Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Near critical fire weather conditions are possible on Saturday over parts of southwest North Dakota. .SPOTTER INFORMATION STATEMENT... Spotters are asked to provide reports to the NWS using standard procedures, including through our social media accounts. $$  911 FLUS43 KDVN 170324 HWODVN Hazardous Weather Outlook National Weather Service Quad Cities IA IL 1024 PM CDT Fri Oct 16 2026 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-180330- Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson- Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson- Warren-Hancock-McDonough-Scotland-Clark- 1024 PM CDT Fri Oct 16 2026 This Hazardous Weather Outlook is for portions of north central Illinois...northwest Illinois...west central Illinois...east central Iowa...northeast Iowa...southeast Iowa and northeast Missouri. .DAY ONE...TONIGHT Temperatures tonight are forecast to drop into the lower to mid 30s resulting in frost developing across the area. A freeze warning remains in effect for areas north of a line from Fairfield, Iowa to the Quad Cities to Sterling, Illinois. South of this line a frost advisory remains in effect. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY Patchy frost is possible areawide late Saturday night into Sunday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed tonight. $$ DC