Weather forecast for tomorrow
Marissa, IL

Weather forecast for tomorrow

Wednesday, Jun 18.

Isolated Thunderstorms
5:33 am

8:26 pm
CDT
Isolated Thunderstorms
86°F / 68°F
  • Wind: 17mph SW
  • Humidity: 75%
  • Precip. probability: 70%
  • Precipitation: 0"
  • UV index: 8
Tomorrow, pop-up thunderstorms are possible as the atmosphere destabilizes.
Minimal precipitation is predicted. The temperature variation is expected to range from a maximum of a humid 86°F to a minimum of an agreeable 68°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a torrid 96.8°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.
June's usual high of 84.6°F is forecasted to be matched by the day’s maximum temperature.
Sunrise will be at 5:33 am and sunset at 8:26 pm; tomorrow's daylight will last for 14h and 53min.

Frequently asked questions

What is the weather forecast for Marissa for tomorrow?
On Wednesday, in Marissa, brief thunderstorms may bring short bursts of heavy rain.
Will it rain tomorrow?
There is a high likelihood of rainfall, but precipitation will be minimal.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 68°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be 96.8°F.
The maximum temperature will be in line with the average highest temperature of 84.6°F in June. The lowest temperature will be also in line with the average low of 66.4°F.
When are sunrise and sunset tomorrow?
On Wednesday, in Marissa, sunrise will be at 5:33 am and sunset at 8:26 pm (CDT).
How long will the day be tomorrow?
In Marissa, tomorrow, there will be 14h and 53min of daylight.

Hourly weather forecast

12 am
  • 79°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph S
  • Pressure: 29.8"Hg
  • Humidity: 84%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 75°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph S
  • Pressure: 29.8"Hg
  • Humidity: 90%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 75°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph S
  • Pressure: 29.77"Hg
  • Humidity: 94%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 9mi
Sunrise: 5:33 am
6 am
  • 75°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph S
  • Pressure: 29.8"Hg
  • Humidity: 95%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 79°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 88%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 82°F
  • Feels like:
    90°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 14mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 78%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    91°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 17mph SW
  • Pressure: 29.77"Hg
  • Humidity: 71%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 86°F
  • Feels like:
    93°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 17mph SW
  • Pressure: 29.77"Hg
  • Humidity: 67%
  • Precip. probability: 32%
  • Precipitation: 0.12"
  • Visibility: 9mi
4 pm
  • 84°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 17mph SW
  • Pressure: 29.74"Hg
  • Humidity: 65%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 8mi
6 pm
  • 81°F
  • Feels like:
    86°F
Thunderstorms
Thunderstorms
  • Wind: 12mph WSW
  • Pressure: 29.74"Hg
  • Humidity: 73%
  • Precip. probability: 71%
  • Precipitation: 0.12"
  • Visibility: 6mi
8 pm
  • 77°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 80%
  • Precip. probability: 54%
  • Precipitation: 0.24"
  • Visibility: 6mi
Sunset: 8:26 pm
10 pm
  • 75°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.8"Hg
  • Humidity: 83%
  • Precip. probability: 19%
  • Precipitation: 0"
  • Visibility: 5mi
Tomorrow, on Wednesday, a combination of primarily gloomy and occasionally turbulent and rain-soaked weather is forecasted.
Rainfall is expected from 1 pm to 3 pm, and from 6 pm to 9 pm. With moderate precipitation of 0.24", most rainfall is expected at 8 pm.
The temperature will be between a minimum of 73.4°F and a maximum of 86°F. The feels-like temperature will be between the lowest temperature of 75.2°F and the highest temperature of 93.2°F. The hottest part of the day will be at 2 pm and 3 pm.
The maximum temperature will be comparable to the average high of 84.6°F in June. The minimum temperature will be also in line with June's average low of 66.4°F.
Updated: Jun 17, 2025 @ 06:36:07 UTC
Published by: Weather U.S. | About Us
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