Weather forecast for 10 days
Vandalia, IL

Weather forecast for the weekend

Saturday, Jun 21.

Sunny
5:29 am

8:26 pm
CDT
Sunny
93°F / 75°F
  • Wind: 13mph SSW
  • Humidity: 67%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, expect bright skies and plenty of sunshine.
Rainfall is not predicted. The temperature scale will run from a maximum of a humid 93.2°F to a minimum of a temperate 75.2°F.
The expected high is higher and consistent with July's normal of 84°F rather than June's.
Sunrise will be at 5:29 am and sunset at 8:26 pm; the daylight will last for 14h and 58min.

Sunday, Jun 22.

Sunny
5:29 am

8:27 pm
CDT
Sunny
93°F / 75°F
  • Wind: 11mph SSW
  • Humidity: 63%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
On Sunday, June 22, expect bright skies and plenty of sunshine.
Rainfall is not predicted. A temperature range of a hot 93.2°F to a warm 75.2°F is expected.
On Sunday, the high of 93.2°F will be higher and more in line with July's typical maximum of 84°F than June's 82.4°F.
Sunrise will be at 5:29 am and sunset at 8:27 pm; the daylight will last for 14h and 57min.

Frequently asked questions

What is the weather forecast for Vandalia for Saturday?
On Saturday, the outlook remains bright and sunny.
Will it rain on Saturday in Vandalia?
No, it will not rain on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 93.2°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Vandalia for Sunday?
On Sunday, in Vandalia, uninterrupted sunshine is anticipated.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 93.2°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Vandalia for the next ten days?
In Vandalia, weather will be unstable, and a combination of sunny, stormy, showery and cloudy weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Monday through Wednesday, next Tuesday and Wednesday in Vandalia. With moderate precipitation of 0.67", Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 78.8°F and 93.2°F, while the minimum temperature will range between 66.2°F and 75.2°F.
Combining with the humidity, the maximum feel-like temperature will range between 78.8°F and 113°F.
What will be the hottest and the coldest days?
With a maximum temperature of 93.2°F, Saturday and Sunday will be the hottest days. Today is the coldest day, with a maximum temperature of 78.8°F.

Long-term weather forecast

MonJun 16.
  • 79°F
  • 70°F
AM Light Rain
AM Light Rain
  • Wind: 5mph SE
  • Humidity: 87%
  • UV index: 6
  • Precip. probability: 61%
  • Precipitation: 0.04"
  • 5:28 am 8:25 pm CDT
TueJun 17.
  • 86°F
  • 72°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 6mph SSW
  • Humidity: 76%
  • UV index: 9
  • Precip. probability: 17%
  • Precipitation: 0.24"
  • 5:28 am 8:25 pm CDT
WedJun 18.
  • 84°F
  • 66°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 15mph SSW
  • Humidity: 78%
  • UV index: 9
  • Precip. probability: 54%
  • Precipitation: 0.67"
  • 5:29 am 8:26 pm CDT
ThuJun 19.
  • 86°F
  • 68°F
Sunny
Sunny
  • Wind: 7mph WNW
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 13%
  • Precipitation: 0"
  • 5:29 am 8:26 pm CDT
FriJun 20.
  • 90°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SSW
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:29 am 8:26 pm CDT
SatJun 21.
  • 93°F
  • 75°F
Sunny
Sunny
  • Wind: 13mph SSW
  • Humidity: 67%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:29 am 8:26 pm CDT
SunJun 22.
  • 93°F
  • 75°F
Sunny
Sunny
  • Wind: 11mph SSW
  • Humidity: 63%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:29 am 8:27 pm CDT
MonJun 23.
  • 91°F
  • 73°F
Sunny
Sunny
  • Wind: 9mph SSW
  • Humidity: 63%
  • UV index: 9
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:30 am 8:27 pm CDT
TueJun 24.
  • 86°F
  • 72°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 6mph SW
  • Humidity: 70%
  • UV index: 9
  • Precip. probability: 33%
  • Precipitation: 0.16"
  • 5:30 am 8:27 pm CDT
WedJun 25.
  • 84°F
  • 70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph SSW
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 50%
  • Precipitation: 0.31"
  • 5:30 am 8:27 pm CDT
An unsettled pattern is expected over the next ten days, and a mix of bright, stormy, rain-soaked and dull weather is anticipated.
Rainfall is predicted for Monday through Wednesday, next Tuesday and Wednesday.
Substantial differences in temperature are forecasted over the next several days. The maximum temperature will vary between 78.8°F and 93.2°F, while the low temperature range extends from 66.2°F to 75.2°F.
With a maximum temperature of 93.2°F, Saturday and Sunday will be the hottest days; today is the coldest day, with a maximum temperature of 78.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between 78.8°F and a dangerously hot 113°F.
Updated: Jun 16, 2025 @ 08:36:12 UTC
Published by: Weather U.S. | About Us
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