Illinois Weather Forecast
State weather hub
Mostly Sunny
Compare major city weather across Illinois, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 61.
State Weather Overview
This state weather page brings together forecast coverage for Illinois so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 189 of 189 mapped cities in Illinois.
Page Snapshot
- Page focus
- state weather
- Forecast window
- Nov 11 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 6:41 AM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Illinois
Veterans Day looks like the warmest upcoming period in Illinois at 61 degrees F.
Thursday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Thursday at about 9 to 14 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 6:41 AM CST
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain. Partly cloudy, with a low around 38.
A slight chance of rain. Partly sunny, with a high near 52.
Partly cloudy, with a low around 33.
Mostly sunny, with a high near 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
61°F |
1 to 6 mph
NNW
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Rain
|
38°F |
6 to 9 mph
N
|
|
Thursday
Nov 12
|
Slight Chance Light Rain
|
52°F |
9 to 14 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
33°F |
6 to 12 mph
N
|
|
Friday
Nov 13
|
Mostly Sunny
|
49°F |
7 to 10 mph
NNW
|
Major City Forecasts
Live forecast snapshots for major cities across Illinois.
Coverage
Forecast coverage currently spans 189 of 189 mapped cities in Illinois.
Largest mapped city population in this region: 2,677,643.
Region Links
