Weather forecast for tomorrow
East Alton, IL

Weather forecast for tomorrow

Friday, Jun 20.

Partly Cloudy
5:33 am

8:30 pm
CDT
Partly Cloudy
91°F / 75°F
  • Wind: 12mph S
  • Humidity: 58%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, on Friday, June 20, the sky will feature a blend of clouds and sunshine.
The maximum temperature will be a hot 91.4°F, while the minimum expected temperature is a moderately hot 75.2°F.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a fiery hot 102.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The projected high resembles July more than June, matching 85.3°F rather than 83.1°F.
Sunrise will be at 5:33 am and sunset at 8:30 pm; tomorrow's daylight will last for 14h and 57min.

Frequently asked questions

What is the weather forecast for East Alton for tomorrow?
On Friday, in East Alton, a pleasant mix of sun and clouds will define the day.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 91.4°F, while the minimum temperature will be 75.2°F. The maximum heat index, which measures the combined effect of heat and moisture, is appraised at 102.2°F.
The highest temperature will be slightly warmer than the average maximum of 83.1°F in June. The lowest temperature will be also relatively higher than the average low of 66.2°F.
When are sunrise and sunset tomorrow?
On Friday, in East Alton, sunrise will be at 5:33 am and sunset at 8:30 pm (CDT).
How many hours of daylight will East Alton have tomorrow?
In East Alton, the length of the day tomorrow will be 14h and 57min.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Wind: 2mph S
  • Pressure: 29.97"Hg
  • Humidity: 84%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Wind: 2mph S
  • Pressure: 29.97"Hg
  • Humidity: 90%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 68°F
  • Feels like:
    70°F
Clear
Clear
  • Wind: 2mph S
  • Pressure: 29.97"Hg
  • Humidity: 91%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:33 am
6 am
  • 66°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph S
  • Pressure: 29.97"Hg
  • Humidity: 91%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 73°F
  • Feels like:
    75°F
Mostly Sunny
Mostly Sunny
  • Wind: 6mph S
  • Pressure: 29.97"Hg
  • Humidity: 76%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 81°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph S
  • Pressure: 29.97"Hg
  • Humidity: 62%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 86°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Pressure: 29.94"Hg
  • Humidity: 52%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 90°F
  • Feels like:
    93°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 48%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 90°F
  • Feels like:
    97°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph S
  • Pressure: 29.88"Hg
  • Humidity: 48%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 90°F
  • Feels like:
    97°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph S
  • Pressure: 29.85"Hg
  • Humidity: 52%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 86°F
  • Feels like:
    91°F
Sunny
Sunny
  • Wind: 12mph S
  • Pressure: 29.85"Hg
  • Humidity: 61%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:30 pm
10 pm
  • 82°F
  • Feels like:
    88°F
Clear
Clear
  • Wind: 11mph S
  • Pressure: 29.88"Hg
  • Humidity: 71%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of mostly clear and cloud-filled weather is anticipated.
The temperature will vary between a minimum of 66.2°F and a maximum of 89.6°F. The feels-like temperature will vary between the lowest temperature of 68°F and the highest temperature of 96.8°F. The hottest part of the day will be from 2 pm to 6 pm.
The temperature will be more comparable to what’s typical for July than the usual maximum in June. The minimum temperature will be also more alike with July's average low of 67.6°F than June's typical 66.2°F.
Updated: Jun 20, 2025 @ 00:36:21 UTC
Published by: Weather U.S. | About Us
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