Mendon, IL Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Mendon, IL in one place.
Partly cloudy, with a low around 36. Southwest wind around 8 mph.
Local Weather Overview
This forecast page for Mendon, 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 8, 2026 3:26 AM CST.
The active forecast window currently covers Nov 8 to Nov 14, 2026 for Mendon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 3:26 AM CST
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Mendon
Tuesday looks like the warmest upcoming period in Mendon at 64 degrees F.
Thursday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Thursday at about 9 to 13 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 8, 2026 3:26 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 62, with temperatures falling to around 57 in the afternoon. West wind around 8 mph.
Mostly clear, with a low around 37. West wind 0 to 5 mph.
Sunny. High near 63, with temperatures falling to around 58 in the afternoon. Southwest wind 1 to 8 mph.
Clear, with a low around 45. Southwest wind 3 to 7 mph.
Sunny. High near 64, with temperatures falling to around 60 in the afternoon.
Partly cloudy, with a low around 45.
A slight chance of rain after noon. Partly sunny, with a high near 59. Chance of precipitation is 20%.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 51.
Mostly clear, with a low around 32.
Sunny, with a high near 49.
Mostly clear, with a low around 34.
Sunny, with a high near 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 8
|
Partly Cloudy
|
36°F |
8 mph
SW
|
|
Sunday
Nov 8
|
Sunny
|
62°F |
8 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
37°F |
0 to 5 mph
W
|
|
Monday
Nov 9
|
Sunny
|
63°F |
1 to 8 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
45°F |
3 to 7 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
64°F |
3 mph
NW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
45°F |
3 mph
NE
|
|
Veterans Day
Nov 11
|
Partly Sunny then Slight Chance Light Rain
|
59°F |
3 to 10 mph
NE
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
39°F |
9 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
51°F |
9 to 13 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
32°F |
7 mph
N
|
|
Friday
Nov 13
|
Sunny
|
49°F |
6 mph
N
|
|
Friday Night
Nov 13
|
Mostly Clear
|
34°F |
5 mph
NW
|
|
Saturday
Nov 14
|
Sunny
|
56°F |
7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mendon.
