Valmeyer, IL Weather Forecast
Local 7-day forecast
Widespread Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Valmeyer, IL in one place.
Widespread fog before 9am. Sunny, with a high near 83. Southeast wind 0 to 3 mph.
Local Weather Overview
This forecast page for Valmeyer, 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: Aug 23, 2026 8:25 PM CDT.
The active forecast window currently covers Aug 24 to Aug 30, 2026 for Valmeyer, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 23, 2026 8:25 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Valmeyer
Wednesday looks like the warmest upcoming period in Valmeyer at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Sunday at about 7 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 8:25 PM CDT
- 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, with a low around 60. East wind around 3 mph.
Mostly sunny, with a high near 86. East wind around 5 mph.
Partly cloudy, with a low around 67. Southeast wind around 3 mph.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 67.
Sunny, with a high near 88.
Mostly clear, with a low around 65.
Sunny, with a high near 87.
Partly cloudy, with a low around 66.
Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Widespread Fog then Sunny
|
83°F |
0 to 3 mph
SE
|
|
Monday Night
Aug 24
|
Mostly Clear
|
60°F |
3 mph
E
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
86°F |
5 mph
E
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
67°F |
3 mph
SE
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
90°F |
3 mph
S
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
67°F |
2 mph
W
|
|
Thursday
Aug 27
|
Sunny
|
88°F |
2 to 6 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
65°F |
0 to 5 mph
N
|
|
Friday
Aug 28
|
Sunny
|
87°F |
2 mph
NE
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
66°F |
2 mph
E
|
|
Saturday
Aug 29
|
Mostly Sunny
|
88°F |
1 to 6 mph
S
|
|
Saturday Night
Aug 29
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
70°F |
5 mph
S
|
|
Sunday
Aug 30
|
Slight Chance Showers And Thunderstorms
|
90°F |
7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Valmeyer.