McLean County, IL Weather Forecast
County weather hub
Mostly Cloudy then Chance Rain Showers
Compare major city weather across McLean County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 77. South southwest wind 16 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for McLean County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in McLean County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:27 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in McLean County
Tuesday looks like the warmest upcoming period in McLean County at 83 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Sunday at about 16 to 28 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:27 PM CDT
- Coverage
- 4 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 chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 83.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Mostly Cloudy then Chance Rain Showers
|
77°F |
16 to 28 mph
SSW
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
60°F |
18 to 23 mph
SSW
|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
80°F |
18 to 22 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
65°F |
18 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
83°F |
17 to 23 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
62°F |
20 mph
SSW
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
77°F |
18 to 24 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
53°F |
13 to 17 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across McLean County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in McLean County.
Largest mapped city population in this region: 77,132.
