Hourly Weather Forecast - Vandalia, IL

10 AM
22°F
10%
13mph
WNW
Mostly Cloudy
Humidity
47%
Feels like
10°F
Dew Point
5°F
11 AM
23°F
10%
14mph
WNW
Mostly Cloudy
Humidity
45%
Feels like
10°F
Dew Point
5°F
12 PM
23°F
10%
15mph
W
Mostly Cloudy
Humidity
43%
Feels like
11°F
Dew Point
4°F
1 PM
23°F
0%
15mph
W
Mostly Cloudy
Humidity
42%
Feels like
11°F
Dew Point
4°F
2 PM
23°F
10%
15mph
W
Mostly Cloudy
Humidity
41%
Feels like
10°F
Dew Point
3°F
3 PM
23°F
10%
14mph
W
Mostly Cloudy
Humidity
41%
Feels like
10°F
Dew Point
3°F
4 PM
22°F
10%
13mph
W
Mostly Cloudy
Humidity
43%
Feels like
9°F
Dew Point
3°F
5 PM
21°F
10%
12mph
W
Mostly Cloudy
Humidity
45%
Feels like
9°F
Dew Point
3°F
5:00 PM
6 PM
20°F
10%
11mph
W
Mostly Cloudy
Humidity
47%
Feels like
8°F
Dew Point
3°F
7 PM
19°F
10%
10mph
W
Mostly Cloudy
Humidity
50%
Feels like
8°F
Dew Point
3°F
8 PM
18°F
10%
10mph
W
Partly Cloudy
Humidity
52%
Feels like
7°F
Dew Point
4°F
9 PM
17°F
10%
9mph
W
Partly Cloudy
Humidity
55%
Feels like
6°F
Dew Point
4°F
10 PM
17°F
10%
9mph
W
Partly Cloudy
Humidity
57%
Feels like
6°F
Dew Point
4°F
11 PM
17°F
10%
8mph
W
Partly Cloudy
Humidity
59%
Feels like
6°F
Dew Point
5°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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