McLean, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for McLean, IL in one place.
Mostly cloudy, with a high near 75. Southeast wind around 6 mph.
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: Jul 23, 2026 4:34 PM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for McLean, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 4:34 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in McLean
Monday looks like the warmest upcoming period in McLean at 93 degrees F.
Friday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Monday at about 10 to 15 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 4:34 PM CDT
- Coverage
- 6 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 after 3am. Mostly cloudy, with a low around 62. South southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly cloudy, with a high near 83. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly cloudy, with a low around 68. South wind 2 to 6 mph.
Mostly sunny, with a high near 90. Southwest wind 3 to 8 mph.
Partly cloudy, with a low around 73.
Mostly sunny, with a high near 93.
Mostly clear, with a low around 72.
Sunny, with a high near 90.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Mostly Cloudy
|
75°F |
6 mph
SE
|
|
Friday Night
Jul 24
|
Mostly Cloudy then Chance Rain Showers
|
62°F |
6 mph
SSE
|
|
Saturday
Jul 25
|
Slight Chance Showers And Thunderstorms
|
83°F |
8 mph
S
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
68°F |
2 to 6 mph
S
|
|
Sunday
Jul 26
|
Mostly Sunny
|
90°F |
3 to 8 mph
SW
|
|
Sunday Night
Jul 26
|
Partly Cloudy
|
73°F |
6 to 10 mph
SSW
|
|
Monday
Jul 27
|
Mostly Sunny
|
93°F |
10 to 15 mph
SW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
72°F |
8 to 13 mph
WNW
|
|
Tuesday
Jul 28
|
Sunny
|
90°F |
10 mph
N
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
68°F |
6 to 9 mph
ENE
|
|
Wednesday
Jul 29
|
Mostly Sunny
|
87°F |
7 mph
E
|
|
Wednesday Night
Jul 29
|
Partly Cloudy
|
66°F |
7 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around McLean.