Weather forecast for tomorrowValmeyer, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 66°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSE 154°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, conditions will remain bright with clear skies.
Temperature fluctuations will be substantial, ranging from a peak of a breezy 66.2°F to a low of a wintry 35.6°F.
Tomorrow's temperature is predicted to match October's standard peak of 66.7°F.
Sunrise will be at 7:13 am and sunset at 6:19 pm; tomorrow's daylight will last for 11h and 6min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 36°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 135°
  • Humidity: 87%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSE 145°
  • Humidity: 92%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 155°
  • Humidity: 92%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSSE 157°
  • Humidity: 93%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:13 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSSE 151°
  • Humidity: 90%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 156°
  • Humidity: 59%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 163°
  • Humidity: 43%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 155°
  • Humidity: 37%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 150°
  • Humidity: 35%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSE 135°
  • Humidity: 45%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:19 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSE 139°
  • Humidity: 68%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 144°
  • Humidity: 81%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, mostly cloudless and sunny weather is anticipated.
The temperature will be between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the temperature is forecasted to be close to the usual maximum for October. The lowest temperature tomorrow is more alike with November's average minimum of 38.1°F than the average low in October of 48.9°F.
Updated: Oct 17, 2026 @ 20:44:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine and minimal clouds are in the outlook.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 66.7°F in October. The lowest temperature tomorrow will be significantly lower than the average low of 48.9°F.

On Sunday, in Valmeyer, sunrise will be at 7:13 am and sunset at 6:19 pm (CDT).

Tomorrow, the daylight will last for 11h and 6min.