Weather forecast for tomorrowGrand Tower, IL

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSSE 158°
  • Humidity: 54%
  • UV index: 5
  • Sunrise: 7:10 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
On Monday, October 19, golden sunshine will carry through the day.
A significant variation in temperature is anticipated, ranging from a high of a pleasant 71.6°F to a low of an icy 41°F.
Today’s forecasted high is set to be a couple of degrees higher than October's regular high of 67.5°F.
Sunrise will be at 7:10 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 5min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 6%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphSE 135°
  • Humidity: 88%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 0mphSE 127°
  • Humidity: 93%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 0mphSE 131°
  • Humidity: 96%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 0mphSE 131°
  • Humidity: 98%
  • Pressure: 30.39"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:10 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 0mphESE 117°
  • Humidity: 93%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSSE 156°
  • Humidity: 62%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 190°
  • Humidity: 41%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 34%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 170°
  • Humidity: 34%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphESE 124°
  • Humidity: 47%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:15 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphE 100°
  • Humidity: 70%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphE 86°
  • Humidity: 81%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily dry and sunny and occasionally dull weather is forecasted.
The temperature will vary between a minimum of 39.2°F and a maximum of 71.6°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will be slightly warmer than October's average high of 67.5°F. The minimum temperature will be more close to November's average low of 38.7°F than October's typical 49.3°F.
Updated: Oct 18, 2026 @ 05:48:44 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Grand Tower, expect plenty of sunshine and only a few scattered clouds.

Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 41°F.
The maximum temperature will be moderately higher than the average highest temperature of 67.5°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 49.3°F.

On Monday, in Grand Tower, sunrise will be at 7:10 am and sunset at 6:15 pm (CDT).

In Grand Tower, tomorrow, there will be 11h and 5min of daylight.