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Illinois weather

Weather in Illinois Today

Data updated:
July 28, 2026, 11:55 PM

Weather data is generated where available. Check weather.gov and local alerts for urgent weather or safety decisions.

Current temperature

64°F

Springfield, Illinois

Short forecast

Partly Cloudy

Wind

2 to 6 mph NE

Active alerts

6

Last updated

July 28, 2026, 11:55 PM

Partly cloudy, with a low around 64. Northeast wind 2 to 6 mph.

Weather alerts

Alerts summary for Illinois

Beach Hazards Statement

Beach Hazards Statement issued July 28 at 4:00PM CDT until July 29 at 10:00AM CDT by NWS Chicago IL

Moderate · Expected

Areas: Lake; Northern Cook; Central Cook; Lake; Porter

Extreme Heat Warning

Extreme Heat Warning issued July 28 at 1:52PM CDT until July 28 at 7:00PM CDT by NWS St Louis MO

Severe · Expected

Areas: St. Clair; Monroe; Jefferson

Extreme Heat Warning

Extreme Heat Warning issued July 28 at 1:52PM CDT until July 28 at 7:00PM CDT by NWS St Louis MO

Severe · Expected

Areas: Washington; Randolph; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds

Heat Advisory

Heat Advisory issued July 28 at 1:52PM CDT until July 28 at 7:00PM CDT by NWS St Louis MO

Moderate · Expected

Areas: Bond; Clinton; Marion; Madison; Osage; Gasconade; St. Charles; Franklin; St. Louis; St. Louis City

Heat Advisory

Heat Advisory issued July 28 at 11:19AM CDT until July 28 at 7:00PM CDT by NWS Paducah KY

Moderate · Expected

Areas: Jefferson; Wayne; Edwards; Wabash; Hamilton; White; Saline; Gallatin; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Union; Webster; Hopkins; Henderson; Daviess; McLean; Muhlenberg; Todd

Weather source note

Use official alerts for urgent decisions

Weather data for Illinois is generated from National Weather Service data where available. Forecasts and alerts can change quickly, so check weather.gov, local NWS alerts, local emergency management, or local authorities for urgent weather or safety decisions.

What to check before going out

Plan around local conditions

  • Check the latest local forecast before travel or outdoor plans.
  • Look for weather alerts that may affect roads, schools, stores, or deliveries.
  • Confirm local closures or delays with official providers when weather is severe.

Local variation

Weather can vary across Illinois

This page uses Springfield as the state-capital weather location. Conditions can be different in other cities, rural areas, mountains, coastal regions, and nearby counties.

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