Clarksville, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Clarksville, IL in one place.
Sunny. High near 61, with temperatures falling to around 55 in the afternoon. West southwest wind 8 to 12 mph, with gusts as high as 16 mph.
Local Weather Overview
This forecast page for Clarksville, 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 9:10 AM CST.
The active forecast window currently covers Nov 8 to Nov 12, 2026 for Clarksville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 9:10 AM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clarksville
Monday looks like the warmest upcoming period in Clarksville at 65 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Monday at about 2 to 13 mph SW.
The forecast from Nov 8 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 9:10 AM CST
- 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
Mostly clear, with a low around 34. West southwest wind 2 to 7 mph.
Sunny, with a high near 65. Southwest wind 2 to 13 mph, with gusts as high as 17 mph.
Clear, with a low around 40.
Sunny, with a high near 65.
Mostly clear, with a low around 36.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 37.
Mostly sunny, with a high near 56.
Partly cloudy, with a low around 34.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 8
|
Sunny
|
61°F |
8 to 12 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
34°F |
2 to 7 mph
WSW
|
|
Monday
Nov 9
|
Sunny
|
65°F |
2 to 13 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
40°F |
5 to 9 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
65°F |
5 mph
WNW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
36°F |
3 mph
WNW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
62°F |
5 mph
NW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
37°F |
5 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
56°F |
5 to 10 mph
NNW
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
34°F |
3 to 7 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clarksville.