Chester, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chester, IL in one place.
Partly sunny. High near 55, with temperatures falling to around 52 in the afternoon. North northwest wind 6 to 18 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Chester, 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 11, 2026 9:15 PM CST.
The active forecast window currently covers Nov 12 to Nov 18, 2026 for Chester, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 18, 2026
- Latest sync
- Nov 11, 2026 9:15 PM CST
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chester
Wednesday looks like the warmest upcoming period in Chester at 61 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday at about 6 to 18 mph NNW.
The forecast from Nov 12 through Nov 18 stays mostly dry.
Forecast Details
- Last updated
- Nov 11, 2026 9:15 PM 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
Mostly clear. Low around 31, with temperatures rising to around 33 overnight. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 48. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 26. North northwest wind 1 to 6 mph.
Sunny, with a high near 50. North wind around 2 mph.
Mostly clear, with a low around 26. Wind around 0 mph.
Mostly sunny, with a high near 53. East wind 0 to 3 mph.
Partly cloudy, with a low around 30. East northeast wind around 2 mph.
Sunny, with a high near 54. East northeast wind 0 to 5 mph.
Mostly clear, with a low around 29. Northeast wind around 2 mph.
Sunny, with a high near 56. East northeast wind 0 to 5 mph.
Mostly clear, with a low around 30. East northeast wind around 2 mph.
Sunny, with a high near 61. East southeast wind 0 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Partly Sunny
|
55°F |
6 to 18 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
31°F |
6 to 13 mph
NNW
|
|
Friday
Nov 13
|
Mostly Sunny
|
48°F |
7 to 13 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
26°F |
1 to 6 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
50°F |
2 mph
N
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
26°F |
0 mph
|
|
Sunday
Nov 15
|
Mostly Sunny
|
53°F |
0 to 3 mph
E
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
30°F |
2 mph
ENE
|
|
Monday
Nov 16
|
Sunny
|
54°F |
0 to 5 mph
ENE
|
|
Monday Night
Nov 16
|
Mostly Clear
|
29°F |
2 mph
NE
|
|
Tuesday
Nov 17
|
Sunny
|
56°F |
0 to 5 mph
ENE
|
|
Tuesday Night
Nov 17
|
Mostly Clear
|
30°F |
2 mph
ENE
|
|
Wednesday
Nov 18
|
Sunny
|
61°F |
0 to 6 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chester.
