If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >
Chicago, IL
Weather Forecast Office
Area Forecast Discussion
Hazardous Weather Outlook
Zone Forecast
Illinois Hourly Weather Summary
Indiana Hourly Weather Summary
Lake Michigan Forecast
Nearshore Marine Forecast
Lake Michigan Water Temperatures
Beach Forecast
Chicago Metro Forecast
Tornado Warning
Severe Thunderstorm Warning
Flood Warning
Flash Flood Warning
Flash Flood Statement
Severe Weather Statement
Special Weather Statement
Special Marine Warning
Marine Weather Statement
Local Storm Report
Non-Precipitation Headlines
Winter Weather Headlines
Chicago-O'Hare Daily Climate Summary
Rockford Daily Climate Summary
Aurora Daily Climate Summary
DuPage Airport Daily Climate Summary
Romeoville Daily Climate Summary
Chicago-Midway Daily Climate Summary
Chicago Executive Airport Daily Climate Summary
Waukegan Daily Climate Summary
Valparaiso Daily Climate Summary
Chicago-O'Hare Monthly Climate Report
Rockford Monthly Climate Report
Chicago-O'Hare Seasonal Climate Report
Rockford Seasonal Climate Report
Chicago-O'Hare Annual Climate Report
Rockford Annual Climate Report
Regional Max/Min Temp and Precipitation Table
Local Cooperative Observation
Illinois State Temp/Precip Table
Indiana State Temp/Precip Table
Public Information Statement
Record Report for Chicago-O'Hare
Record Report for Rockford
Go to National Water Prediction Service (NWPS) page
Hydrologic Outlook
Latest River Ice Conditions
Fire Weather Forecasts
Fire Weather Point Forecasts
Spot Fire Weather Forecast
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
Weather Event Write-Ups
Stormdata
Holiday Climate Data
Climate Plots
Education
Play Time for Kids
Jetstream
Student Opportunities
NWS Training Portal
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.
Follow us on Twitter
Follow us on Facebook
Follow us on YouTube
LOT RSS Feed