Weather forecast for tomorrow
Harmon, IL

Weather forecast for tomorrow

Wednesday, Jun 18.

Thunderstorms
5:21 am

8:37 pm
CDT
Thunderstorms
77°F / 61°F
  • Wind: 16mph S
  • Humidity: 81%
  • Precip. probability: 79%
  • Precipitation: 0.67"
  • UV index: 6
Tomorrow, on Wednesday, thunderstorm risks remain elevated.
The chance of rainfall is high, and precipitation will be moderate. Temperature is forecasted to swing from a high of a warm 77°F to a low of a breezy 60.8°F.
The temperature will be in line with June's average maximum of 78.3°F.
Sunrise will be at 5:21 am and sunset at 8:37 pm; tomorrow's daylight will last for 15h and 16min.

Frequently asked questions

What is the weather forecast for Harmon for tomorrow?
On Wednesday, rolling thunder and rain showers are in the outlook.
Will it rain tomorrow?
Moderate precipitation of 0.67" is expected. The chance of rainfall is 79%.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 77°F, while the minimum temperature will be 60.8°F.
The highest temperature will be in line with the average maximum of 78.3°F in June. The lowest temperature will be also in line with the average low of 61.3°F.
What time are sunrise and sunset tomorrow?
On Wednesday, in Harmon, sunrise will be at 5:21 am and sunset at 8:37 pm (CDT).
How many hours of daylight will Harmon have tomorrow?
In Harmon, tomorrow, there will be 15h and 16min of daylight.

Hourly weather forecast

12 am
  • 70°F
  • Feels like:
    72°F
Few Showers
Few Showers
  • Wind: 5mph SSE
  • Pressure: 29.77"Hg
  • Humidity: 93%
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Visibility: 8mi
2 am
  • 68°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SE
  • Pressure: 29.77"Hg
  • Humidity: 99%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 6mi
4 am
  • 66°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Wind: 5mph SSE
  • Pressure: 29.74"Hg
  • Humidity: 100%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 2mi
Sunrise: 5:21 am
6 am
  • 68°F
  • Feels like:
    70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 6mph SE
  • Pressure: 29.77"Hg
  • Humidity: 98%
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • Visibility: 4mi
8 am
  • 70°F
  • Feels like:
    73°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 6mph SE
  • Pressure: 29.74"Hg
  • Humidity: 90%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 2mi
10 am
  • 73°F
  • Feels like:
    75°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph SE
  • Pressure: 29.71"Hg
  • Humidity: 82%
  • Precip. probability: 59%
  • Precipitation: 0.08"
  • Visibility: 3mi
12 pm
  • 75°F
  • Feels like:
    81°F
Thunderstorms
Thunderstorms
  • Wind: 10mph SSE
  • Pressure: 29.68"Hg
  • Humidity: 78%
  • Precip. probability: 79%
  • Precipitation: 0.2"
  • Visibility: 5mi
2 pm
  • 75°F
  • Feels like:
    79°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14mph SW
  • Pressure: 29.65"Hg
  • Humidity: 79%
  • Precip. probability: 41%
  • Precipitation: 0.08"
  • Visibility: 6mi
4 pm
  • 75°F
  • Feels like:
    79°F
Showers
Showers
  • Wind: 12mph W
  • Pressure: 29.62"Hg
  • Humidity: 78%
  • Precip. probability: 52%
  • Precipitation: 0.04"
  • Visibility: 6mi
6 pm
  • 73°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph WNW
  • Pressure: 29.62"Hg
  • Humidity: 76%
  • Precip. probability: 23%
  • Precipitation: 0"
  • Visibility: 9mi
8 pm
  • 72°F
  • Feels like:
    73°F
Showers
Showers
  • Wind: 7mph NW
  • Pressure: 29.65"Hg
  • Humidity: 82%
  • Precip. probability: 44%
  • Precipitation: 0.04"
  • Visibility: 7mi
Sunset: 8:37 pm
10 pm
  • 70°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NW
  • Pressure: 29.71"Hg
  • Humidity: 90%
  • Precip. probability: 21%
  • Precipitation: 0"
  • Visibility: 4mi
Tomorrow, on Wednesday, a combination of cloud-filled, thunderstorm-prone and damp weather is expected.
Rainfall is forecasted at 12 am, 1 am, and from 6 am to 5 pm, 8 pm and at 9 pm. With moderate precipitation of 0.2", most rainfall is expected at 12 pm.
The temperature will be between a minimum of 66.2°F and a maximum of 77°F. The warmest part of the day will be at 3 pm and 5 pm.
The high temperature is expected to be similar to June's usual value of 78.3°F. The expected low will be also in line with the average minimum in June, which is 61.3°F.
Updated: Jun 17, 2025 @ 05:35:11 UTC
Published by: Weather U.S. | About Us
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