McLean, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for McLean, IL in one place.
Showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then a slight chance of showers and thunderstorms between 2am and 3am. Mostly cloudy, with a low around 68. South southwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for McLean, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 8:58 PM CDT.
The active forecast window currently covers Jun 8 to Jun 15, 2026 for McLean, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 8:58 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in McLean
Wednesday looks like the warmest upcoming period in McLean at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Thursday at about 12 to 22 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:58 PM CDT
- Coverage
- 8 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 showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 89. West southwest wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 72. South southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 91. South southwest wind 10 to 20 mph, with gusts as high as 26 mph.
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 71. South southwest wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 10am, then showers and thunderstorms likely. Mostly sunny, with a high near 90. South southwest wind 12 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 64. West southwest wind 7 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Mostly sunny, with a high near 85.
Mostly clear, with a low around 62.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jun 8
|
Showers And Thunderstorms
|
68°F |
7 to 13 mph
SSW
|
|
Tuesday
Jun 9
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
89°F |
7 to 10 mph
WSW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
6 to 10 mph
SSW
|
|
Wednesday
Jun 10
|
Sunny
|
91°F |
10 to 20 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
71°F |
13 to 18 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
90°F |
12 to 22 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
64°F |
7 to 20 mph
WSW
|
|
Friday
Jun 12
|
Mostly Sunny
|
85°F |
7 to 13 mph
WNW
|
|
Friday Night
Jun 12
|
Mostly Clear
|
62°F |
5 to 9 mph
WSW
|
|
Saturday
Jun 13
|
Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
7 to 14 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
62°F |
6 to 10 mph
NW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
81°F |
8 to 13 mph
NNW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
59°F |
7 to 13 mph
NNE
|
|
Monday
Jun 15
|
Chance Rain Showers
|
79°F |
8 to 13 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around McLean.