
Widespread, dangerous heat expected for much of the country as one heatwave expands from the Plains/Mississippi Valley into the Southeast and another heatwave begins in the West. Severe thunderstorms and flash flooding expected across parts of the Great Lakes and Ohio Valley. Monsoonal conditions continue to produce some heavy downpours and flash flooding threats over portions of the Southwest. Read More >
Chicago, IL
Weather Forecast Office
Last Map Update: Wed, Jul 31, 2024 at 10:48:31 pm CDT
Hazards
Enhanced Hazardous Weather Outlook
Hazardous Weather Outlook
National Briefing
Skywarn
Outlooks
Watch/Warning/Advisory Criteria
Snow Squall Warnings
Local Forecasts
Text Products
Aviation
Marine
Fire
Enhanced Data Display (EDD)
Great Lakes Marine Portal
Lake Michigan Beach Forecast
El Nino
Snow and Ice Probabilities
Past Weather
Stormdata
Holiday Climate Data
Climate Plots
Weather Event Write-Ups
Education
Jetstream
Student Opportunities
NWS Training Portal
Play Time for Kids
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Chicago, IL
333 West University Drive
Romeoville, IL 60446
815-834-1435 8am-8pm
Comments? Questions? Please Contact Us.


Weather Story
Weather Map
Local Radar