Weather forecast for tomorrow
Merna, IL

Weather forecast for tomorrow

Wednesday, Jun 18.

Thunderstorms / Wind
5:22 am

8:30 pm
CDT
Thunderstorms / Wind
77°F / 64°F
  • Wind: 25mph SW
  • Humidity: 85%
  • Precip. probability: 70%
  • Precipitation: 0.79"
  • UV index: 6
Tomorrow, on Wednesday, unstable skies may bring thunder and strong winds.
The likelihood of rainfall is high, and precipitation will be moderate. Temperature fluctuations between a temperate 77°F and an enjoyable 64.4°F are expected.
Expect the maximum temperature to remain consistent with the typical June high of 79.3°F.
Sunrise will be at 5:22 am and sunset at 8:30 pm; tomorrow's daylight will last for 15h and 7min.

Frequently asked questions

What is the weather forecast for Merna for tomorrow?
Tomorrow, storm clouds and high winds may develop together.
Will it rain tomorrow?
Moderate precipitation of 0.79" is expected. The chance of rainfall is 70%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 77°F, while the lowest temperature will be 64.4°F.
The highest temperature will be in line with the average maximum of 79.3°F in June. The lowest temperature will be also in line with the average low of 63.1°F.
When is the sunrise / sunset tomorrow in Merna?
On Wednesday, in Merna, sunrise will be at 5:22 am and sunset at 8:30 pm (CDT).
How many hours of daylight will Merna have tomorrow?
In Merna, tomorrow, there will be 15h and 7min of daylight.

Hourly weather forecast

12 am
  • 73°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.8"Hg
  • Humidity: 87%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 7mi
2 am
  • 72°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 6mph SSE
  • Pressure: 29.8"Hg
  • Humidity: 90%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 7mi
4 am
  • 70°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 6mph S
  • Pressure: 29.77"Hg
  • Humidity: 94%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 9mi
Sunrise: 5:22 am
6 am
  • 70°F
  • Feels like:
    72°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 7mph S
  • Pressure: 29.77"Hg
  • Humidity: 96%
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Visibility: 7mi
8 am
  • 73°F
  • Feels like:
    75°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph S
  • Pressure: 29.77"Hg
  • Humidity: 91%
  • Precip. probability: 41%
  • Precipitation: 0.08"
  • Visibility: 6mi
10 am
  • 75°F
  • Feels like:
    81°F
Thunderstorms
Thunderstorms
  • Wind: 15mph S
  • Pressure: 29.71"Hg
  • Humidity: 89%
  • Precip. probability: 70%
  • Precipitation: 0.24"
  • Visibility: 6mi
12 pm
  • 77°F
  • Feels like:
    81°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 25mph SSW
  • Pressure: 29.68"Hg
  • Humidity: 84%
  • Precip. probability: 51%
  • Precipitation: 0.12"
  • Visibility: 5mi
2 pm
  • 75°F
  • Feels like:
    79°F
Showers / Wind
Showers / Wind
  • Wind: 22mph WSW
  • Pressure: 29.68"Hg
  • Humidity: 83%
  • Precip. probability: 36%
  • Precipitation: 0.04"
  • Visibility: 7mi
4 pm
  • 77°F
  • Feels like:
    81°F
Showers / Wind
Showers / Wind
  • Wind: 22mph WSW
  • Pressure: 29.71"Hg
  • Humidity: 78%
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 77°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph W
  • Pressure: 29.68"Hg
  • Humidity: 78%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 73°F
  • Feels like:
    75°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph WNW
  • Pressure: 29.71"Hg
  • Humidity: 87%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 7mi
Sunset: 8:30 pm
10 pm
  • 70°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph W
  • Pressure: 29.74"Hg
  • Humidity: 94%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 5mi
Tomorrow, on Wednesday, a combination of cloud-filled, turbulent and rainy weather is anticipated.
Rainfall is forecasted at 1 am, and from 6 am to 2 pm, 4 pm, and from 7 pm to 9 pm. With moderate precipitation of 0.24", most rainfall is expected at 10 am.
The temperature will vary between the lowest temperature of 69.8°F and the highest temperature of 77°F. The warmest part of the day will be from noon, 1 pm, and from 4 pm to 6 pm.
The high temperature is expected to be in line with June's usual value of 79.3°F. The lowest temperature is also in line with June's typical minimum of 63.1°F.
Updated: Jun 17, 2025 @ 22:07:33 UTC
Published by: Weather U.S. | About Us
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