Weather forecast for tomorrow
Fayetteville, IL

Weather forecast for tomorrow

Wednesday, Jun 18.

PM Thunderstorms
5:33 am

8:27 pm
CDT
PM Thunderstorms
86°F / 68°F
  • Wind: 19mph SW
  • Humidity: 75%
  • Precip. probability: 48%
  • Precipitation: 0.35"
  • UV index: 8
Tomorrow, in Fayetteville, thunderstorms may roll in by the afternoon, bringing brief intense rainfall.
The chance of rainfall is low, and light precipitation is forecasted. Temperature is anticipated to swing from a high of a blazing 86°F to a low of a delightful 68°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at a steamy 96.8°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The anticipated temperature peak will correspond with June's average maximum of 84.6°F.
Sunrise will be at 5:33 am and sunset at 8:27 pm; tomorrow's daylight will last for 14h and 53min.

Frequently asked questions

What is the weather forecast for Fayetteville for tomorrow?
Tomorrow, thunder and rain showers will move in during the afternoon.
Will it rain tomorrow?
Light precipitation of 0.35" is expected. The likelihood of rainfall is 48%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 68°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at 96.8°F.
The highest temperature will be in line with the average maximum of 84.6°F in June. The lowest temperature will be also in line with the average low of 66.4°F.
What time are sunrise and sunset tomorrow?
On Wednesday, in Fayetteville, sunrise will be at 5:33 am and sunset at 8:27 pm (CDT).
How long will the day be tomorrow?
In Fayetteville, the length of the day tomorrow will be 14h and 53min.

Hourly weather forecast

12 am
  • 77°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph S
  • Pressure: 29.8"Hg
  • Humidity: 85%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 75°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph S
  • Pressure: 29.77"Hg
  • Humidity: 90%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 75°F
  • Feels like:
    79°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 6mph S
  • Pressure: 29.77"Hg
  • Humidity: 92%
  • Precip. probability: 39%
  • Precipitation: 0.12"
  • Visibility: 7mi
Sunrise: 5:33 am
6 am
  • 73°F
  • Feels like:
    79°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph S
  • Pressure: 29.77"Hg
  • Humidity: 94%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 10mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 86%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 82°F
  • Feels like:
    90°F
Cloudy
Cloudy
  • Wind: 14mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 74%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    90°F
Few Showers
Few Showers
  • Wind: 17mph SW
  • Pressure: 29.8"Hg
  • Humidity: 70%
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Visibility: 10mi
2 pm
  • 84°F
  • Feels like:
    91°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 19mph SW
  • Pressure: 29.77"Hg
  • Humidity: 68%
  • Precip. probability: 21%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 84°F
  • Feels like:
    90°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 17mph WSW
  • Pressure: 29.74"Hg
  • Humidity: 69%
  • Precip. probability: 36%
  • Precipitation: 0.08"
  • Visibility: 7mi
6 pm
  • 81°F
  • Feels like:
    86°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 74%
  • Precip. probability: 48%
  • Precipitation: 0.08"
  • Visibility: 7mi
8 pm
  • 77°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 79%
  • Precip. probability: 43%
  • Precipitation: 0.08"
  • Visibility: 6mi
Sunset: 8:27 pm
10 pm
  • 73°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 84%
  • Precip. probability: 23%
  • Precipitation: 0"
  • Visibility: 6mi
Tomorrow, on Wednesday, a combination of primarily cloud-filled and occasionally thunderstorm-prone and rainy weather is anticipated.
Rainfall is anticipated at 4 am, 12 pm, and from 4 pm to 9 pm. With light precipitation of 0.12", most rainfall is expected at 4 am.
The temperature will be between a minimum of 73.4°F and a maximum of 84.2°F. The feels-like temperature will vary between a minimum of 75.2°F and a maximum of 91.4°F. The hottest part of the day will be from noon to 4 pm.
The maximum temperature will be similar to June's average highest temperature of 84.6°F. The temperature low is forecasted to be also consistent with the usual June value of 66.4°F.
Updated: Jun 17, 2025 @ 11:11:06 UTC
Published by: Weather U.S. | About Us
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