One product issued by NWS for: De Kalb IL
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 409 AM CDT Tue Mar 18 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-190915- 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- 409 AM CDT Tue Mar 18 2025 /509 AM EDT Tue Mar 18 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Today and Tonight. Weather hazards expected... Elevated Fire Weather Risk. DISCUSSION... The combination of gusty southerly winds and afternoon humidities generally between 25 and 35 percent will lead to an elevated risk for fire spread near and south of the I-88 corridor this afternoon, especially west and south of the Chicago metro area. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Limited Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Elevated Non Thunderstorm Wind Risk. Limited Nighttime Snow Risk. Thursday Morning... Limited Snow Risk. DISCUSSION... A system of showers and scattered thunderstorms will move across the area on Wednesday. Some thunderstorms during the afternoon may be strong to severe. Rain will transition to wet snow Wednesday night and continue into early Thursday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$