Walnut, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Walnut, IL in one place.
Mostly sunny, with a high near 49. North northwest wind 6 to 12 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Walnut, 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: Nov 6, 2026 8:12 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Walnut, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 8:12 AM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Walnut
Monday looks like the warmest upcoming period in Walnut at 66 degrees F.
Tonight is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Today at about 6 to 12 mph NNW.
The forecast from Nov 6 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 8:12 AM CST
- 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
Mostly clear, with a low around 29. North northwest wind 0 to 3 mph.
Mostly sunny. High near 51, with temperatures falling to around 46 in the afternoon. West northwest wind 0 to 6 mph.
Mostly clear, with a low around 32. Southwest wind around 5 mph.
Sunny. High near 62, with temperatures falling to around 56 in the afternoon. West southwest wind 5 to 9 mph.
Mostly clear, with a low around 35. West wind 0 to 5 mph.
Sunny, with a high near 66. South southwest wind 1 to 12 mph, with gusts as high as 18 mph.
Clear, with a low around 41.
Sunny, with a high near 65.
Mostly clear, with a low around 37.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 57.
Mostly clear, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Mostly Sunny
|
49°F |
6 to 12 mph
NNW
|
|
Tonight
Nov 6
|
Mostly Clear
|
29°F |
0 to 3 mph
NNW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
51°F |
0 to 6 mph
WNW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
32°F |
5 mph
SW
|
|
Sunday
Nov 8
|
Sunny
|
62°F |
5 to 9 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
35°F |
0 to 5 mph
W
|
|
Monday
Nov 9
|
Sunny
|
66°F |
1 to 12 mph
SSW
|
|
Monday Night
Nov 9
|
Clear
|
41°F |
2 to 8 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
65°F |
5 mph
WNW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
37°F |
2 mph
NW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
63°F |
1 to 6 mph
NNW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
38°F |
5 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
57°F |
3 to 9 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
36°F |
6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Walnut.