Weather forecast for tomorrow
McLean, IL

Weather forecast for tomorrow

Tuesday, Jun 17.

Partly Cloudy
5:24 am

8:30 pm
CDT
Partly Cloudy
88°F / 70°F
  • Wind: 8mph SW
  • Humidity: 73%
  • Precip. probability: 14%
  • Precipitation: 0.12"
  • UV index: 9
Tomorrow, on Tuesday, sun and clouds will share the sky, creating a partly cloudy day.
Minimal precipitation is expected. The highest temperature will be a tropical 87.8°F, while the lowest forecasted temperature is a pleasant 69.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at a sweltering 102.2°F. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature will be higher and more in tune with July's average of 81.5°F than with June's.
Sunrise will be at 5:24 am and sunset at 8:30 pm; tomorrow's daylight will last for 15h and 6min.

Frequently asked questions

What is the weather forecast for McLean for tomorrow?
Tomorrow, sunlight and clouds will take turns dominating the sky.
Will it rain tomorrow?
Tomorrow, there is a low probability of minimal rainfall in McLean.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 69.8°F. The maximum heat index, which indicates how humid air affects the felt temperature, is calculated to be 102.2°F.
The highest temperature will be a few degrees higher than the average maximum of 80.1°F in June. The lowest temperature will be also slightly warmer than the average low of 63.9°F.
What time are sunrise and sunset tomorrow?
On Tuesday, in McLean, sunrise will be at 5:24 am and sunset at 8:30 pm (CDT).
How long will the day be tomorrow?
In McLean, the length of the day tomorrow will be 15h and 6min.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 3mph S
  • Pressure: 29.85"Hg
  • Humidity: 94%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 70°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 3mph S
  • Pressure: 29.85"Hg
  • Humidity: 99%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 7mi
4 am
  • 68°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 2mph SSW
  • Pressure: 29.83"Hg
  • Humidity: 100%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 2mi
Sunrise: 5:24 am
6 am
  • 68°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Wind: 3mph SSW
  • Pressure: 29.83"Hg
  • Humidity: 100%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 4mi
8 am
  • 72°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSW
  • Pressure: 29.83"Hg
  • Humidity: 95%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 7mi
10 am
  • 77°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSW
  • Pressure: 29.83"Hg
  • Humidity: 80%
  • Precip. probability: 12%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 82°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SW
  • Pressure: 29.83"Hg
  • Humidity: 69%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 84°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SW
  • Pressure: 29.8"Hg
  • Humidity: 63%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 86°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 59%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 86°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SW
  • Pressure: 29.74"Hg
  • Humidity: 60%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 82°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SSW
  • Pressure: 29.74"Hg
  • Humidity: 68%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:30 pm
10 pm
  • 77°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 6mph S
  • Pressure: 29.77"Hg
  • Humidity: 81%
  • Precip. probability: 43%
  • Precipitation: 0.04"
  • Visibility: 7mi
Tomorrow, on Tuesday, primarily dull and occasionally stormy weather is anticipated.
Rainfall is forecasted at 10 pm and 11 pm. With light precipitation of 0.08", most rainfall is expected at 11 pm.
The temperature will vary between a minimum of 68°F and a maximum of 86°F. The hottest part of the day will be from 3 pm to 6 pm.
The forecasted high is more in line with July's typical maximum of 81.5°F than the usual for June. The expected low will be also more resembling what’s common in July than the current June average of 63.9°F.
Updated: Jun 16, 2025 @ 13:27:36 UTC
Published by: Weather U.S. | About Us
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