Undercliff, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Undercliff, IL in one place.
Mostly sunny. High near 48, with temperatures falling to around 46 in the afternoon. North wind 5 to 10 mph.
Local Weather Overview
This forecast page for Undercliff, 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 Undercliff, 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
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Undercliff
Monday looks like the warmest upcoming period in Undercliff at 64 degrees F.
Tonight is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Today at about 5 to 10 mph N.
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
- DVN
- Radar station
- KDVN
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 30. Northwest wind 0 to 5 mph.
Mostly sunny. High near 51, with temperatures falling to around 45 in the afternoon. West wind 0 to 5 mph.
Mostly clear, with a low around 35. Southwest wind around 5 mph.
Sunny, with a high near 60.
Clear, with a low around 37.
Sunny, with a high near 64.
Clear, with a low around 41.
Sunny, with a high near 63.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 54.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Mostly Sunny
|
48°F |
5 to 10 mph
N
|
|
Tonight
Nov 6
|
Mostly Clear
|
30°F |
0 to 5 mph
NW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
51°F |
0 to 5 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
35°F |
5 mph
SW
|
|
Sunday
Nov 8
|
Sunny
|
60°F |
5 to 10 mph
W
|
|
Sunday Night
Nov 8
|
Clear
|
37°F |
0 to 5 mph
W
|
|
Monday
Nov 9
|
Sunny
|
64°F |
0 to 10 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
41°F |
0 to 10 mph
W
|
|
Tuesday
Nov 10
|
Sunny
|
63°F |
0 mph
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
38°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
60°F |
0 to 5 mph
N
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
39°F |
0 mph
|
|
Thursday
Nov 12
|
Mostly Sunny
|
54°F |
0 to 5 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
35°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Undercliff.