Illinois forecasts, straight from the source

Open current conditions, hourly rain or snow timing, seven-day forecasts, live NOAA radar and active National Weather Service alerts for featured Illinois communities.

3 permanent forecasts

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Chicago, ILNortheast Illinois · Cook County Springfield, ILCentral Illinois · Sangamon County Rockford, ILNorthern Illinois · Winnebago County

Weather-ready Illinois

What to check before making plans

Snow and winter travel

Lake-effect bands can create sharp visibility and snowfall differences over short distances.

Severe storms

Watch alerts for damaging wind, hail, lightning, and tornadoes during the warmer months.

Marine and shoreline conditions

Check wind, waves, fog, and lakeshore flood information before boating or shoreline plans.

Forecasts and alerts come from NOAA and the National Weather Service. MyUSA.us is independent and is not an official government website.