Summersville, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Summersville, IL in one place.
Mostly sunny, with a high near 71. West southwest wind 1 to 16 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Summersville, 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 10, 2026 2:59 AM CST.
The active forecast window currently covers Nov 11 to Nov 16, 2026 for Summersville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 11 to Nov 16, 2026
- Latest sync
- Nov 10, 2026 2:59 AM CST
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Summersville
Veterans Day looks like the warmest upcoming period in Summersville at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Thursday at about 10 to 17 mph NW.
The forecast from Nov 11 through Nov 16 stays mostly dry.
Forecast Details
- Last updated
- Nov 10, 2026 2:59 AM CST
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 40. Northwest wind around 13 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 51. Northwest wind 10 to 17 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 29. North northwest wind 5 to 13 mph.
Sunny, with a high near 47. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 24. Northwest wind 0 to 5 mph.
Sunny, with a high near 49. North northwest wind around 2 mph.
Mostly clear, with a low around 28. Wind around 0 mph.
Mostly sunny, with a high near 53. East southeast wind 0 to 6 mph.
Partly cloudy, with a low around 32. East southeast wind around 2 mph.
Mostly sunny, with a high near 57. East southeast wind 1 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
71°F |
1 to 16 mph
WSW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
40°F |
13 mph
NW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
51°F |
10 to 17 mph
NW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
29°F |
5 to 13 mph
NNW
|
|
Friday
Nov 13
|
Sunny
|
47°F |
6 to 14 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
24°F |
0 to 5 mph
NW
|
|
Saturday
Nov 14
|
Sunny
|
49°F |
2 mph
NNW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
28°F |
0 mph
|
|
Sunday
Nov 15
|
Mostly Sunny
|
53°F |
0 to 6 mph
ESE
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
32°F |
2 mph
ESE
|
|
Monday
Nov 16
|
Mostly Sunny
|
57°F |
1 to 6 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summersville.