Weather forecast for 10 days
Vandalia, IL

Weather forecast for the weekend

Saturday, May 31.

Mostly Sunny
5:31 am

8:17 pm
CDT
Mostly Sunny
86°F / 57°F
  • Wind: 12mph NW
  • Humidity: 44%
  • Precip. probability: 15%
  • Precipitation: 0"
  • UV index: 9
On Saturday, in Vandalia, sunshine will prevail for most of the day.
Rainfall is not forecasted. A substantial temperature range, peaking at a humid 86°F and bottoming out at a moderate 57.2°F, is predicted.
Forecast models suggest hotter conditions, with a peak that mirrors June's climate average rather than May's.
Sunrise will be at 5:31 am and sunset at 8:17 pm; the daylight will last for 14h and 46min.

Sunday, Jun 1.

Sunny
5:30 am

8:17 pm
CDT
Sunny
86°F / 63°F
  • Wind: 4mph WSW
  • Humidity: 42%
  • Precip. probability: 14%
  • Precipitation: 0"
  • UV index: 9
On Sunday, June 1, sunshine is forecasted under mostly clear skies.
Rainfall is not predicted. The temperature will vary between a maximum of a blazing 86°F and a minimum of an enjoyable 62.6°F.
On on Sunday, conditions will be hotter with a temperature more like June's typical high of 82.4°F.
Sunrise will be at 5:30 am and sunset at 8:17 pm; the daylight will last for 14h and 47min.

Frequently asked questions

What is the weather forecast for Vandalia for Saturday?
On Saturday, in Vandalia, expect plenty of sunshine and only a few scattered clouds.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 86°F, while the minimum temperature will be 57.2°F.
What is the weather forecast for Vandalia for Sunday?
On Sunday, in Vandalia, sunny conditions are expected to continue.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature in Vandalia will be 86°F, while the lowest temperature will be 62.6°F.
What is the weather forecast for Vandalia for the next ten days?
In Vandalia, weather will be unstable, and a combination of sun-filled, cloudy, wet and stormy weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is expected on Thursday, Tuesday through next Thursday and Saturday in Vandalia. With moderate precipitation of 0.51", Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 75.2°F and 89.6°F, as the minimum temperature will range between 57.2°F and 71.6°F.
What will be the hottest and the coldest days?
The hottest days will be Monday and Tuesday, with a maximum of 89.6°F. Wednesday will be the coldest day, with a maximum temperature of 75.2°F.

Long-term weather forecast

ThuMay 29.
  • min.
  • 57°F
Rain
Rain
  • Wind: 4mph NNW
  • Humidity: 88%
  • UV index: 0
  • Precip. probability: 89%
  • Precipitation: 0.2"
  • 5:32 am 8:15 pm CDT
FriMay 30.
  • 79°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph NW
  • Humidity: 59%
  • UV index: 9
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:31 am 8:16 pm CDT
SatMay 31.
  • 86°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph NW
  • Humidity: 44%
  • UV index: 9
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:31 am 8:17 pm CDT
SunJun 1.
  • 86°F
  • 63°F
Sunny
Sunny
  • Wind: 4mph WSW
  • Humidity: 42%
  • UV index: 9
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:30 am 8:17 pm CDT
MonJun 2.
  • 90°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SSW
  • Humidity: 47%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:30 am 8:18 pm CDT
TueJun 3.
  • 90°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph S
  • Humidity: 52%
  • UV index: 9
  • Precip. probability: 18%
  • Precipitation: 0.2"
  • 5:30 am 8:19 pm CDT
WedJun 4.
  • 75°F
  • 63°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph SW
  • Humidity: 75%
  • UV index: 6
  • Precip. probability: 55%
  • Precipitation: 0.51"
  • 5:29 am 8:19 pm CDT
ThuJun 5.
  • 79°F
  • 63°F
Showers
Showers
  • Wind: 7mph NW
  • Humidity: 65%
  • UV index: 9
  • Precip. probability: 36%
  • Precipitation: 0.31"
  • 5:29 am 8:20 pm CDT
FriJun 6.
  • 81°F
  • 64°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSE
  • Humidity: 63%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:29 am 8:20 pm CDT
SatJun 7.
  • 82°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph S
  • Humidity: 61%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • 5:29 am 8:21 pm CDT
The weather will be unstable for the next ten days, and a mix of dry and sunny, dull, wet and unstable weather is anticipated.
Rainfall is predicted for Thursday, Tuesday through next Thursday and Saturday.
Temperature fluctuation will be noticeable throughout the forecast window. The maximum temperature will vary between 75.2°F and 89.6°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 57.2°F and 71.6°F.
Monday and Tuesday, with the highest temperature of 89.6°F, will be the hottest days in Vandalia; Wednesday will be the coldest day, with the highest temperature of 75.2°F.
Updated: May 29, 2025 @ 20:34:19 UTC
Published by: Weather Atlas | About Us
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Weather Forecasting & Climate
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