Weather atlas / Local forecast
Illinois
40.63° latitude / -89.40° longitude
US
Updated just now
Current conditions
- Humidity
- 74%
- Wind
- 22 km/h SE
- Pressure
- 1024 hPa
- UV Index
- 1 Low
- Cloud Cover
- 100%
- Precipitation
- 0 mm
- Sunrise
- 6:28 AM
- Sunset
- 4:55 PM
What to expect today in Illinois
Right now in Illinois it's 17°C with overcast. Today's high should reach 18°C with an overnight low near 13°C. No significant precipitation is expected over the next several hours. Tomorrow looks similar, with highs near 16°C with overcast.
Next 25 Hours
10-Day Forecast
Daily low high · Select a day for details
Forecast trends
Next 24 hours — temperature & precipitation
10-day outlook — high / low & rainfall
About Illinois
Illinois is a region of United States with 212 tracked locations on WeatherGeo, including Chicago, Aurora, Rockford, Joliet and Naperville. Browse current weather, forecasts, and climate data for cities across Illinois.
Illinois experiences four distinct seasons with warm, humid summers and cold, snowy winters. Temperatures typically range from the low 30s Fahrenheit in January to the mid-80s Fahrenheit in July. Expect significant seasonal variation in precipitation, with plenty of rain during the warmer months and substantial snowfall in the winter.
Explore cities in Illinois
Daily forecast for Illinois in your inbox
One short email each morning — today's outlook and any severe-weather warnings. No spam, unsubscribe anytime.
See our Privacy Policy for information about email sign-ups.