Hourly Weather Forecast - Vandalia, IL

12 AM
43°F
0%
5mph
E
Mostly Cloudy
Humidity
57%
Feels like
40°F
Dew Point
28°F
1 AM
42°F
0%
5mph
E
Mostly Cloudy
Humidity
59%
Feels like
39°F
Dew Point
28°F
2 AM
40°F
0%
5mph
E
Mostly Cloudy
Humidity
61%
Feels like
37°F
Dew Point
28°F
3 AM
39°F
0%
5mph
ESE
Partly Cloudy
Humidity
63%
Feels like
35°F
Dew Point
27°F
4 AM
38°F
0%
6mph
ESE
Partly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
27°F
5 AM
37°F
0%
6mph
ESE
Partly Cloudy
Humidity
67%
Feels like
33°F
Dew Point
27°F
6 AM
37°F
0%
5mph
ESE
Partly Cloudy
Humidity
68%
Feels like
33°F
Dew Point
28°F
6:54 AM
7 AM
38°F
0%
5mph
ESE
Mostly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
28°F
8 AM
41°F
0%
6mph
SE
Partly Cloudy
Humidity
62%
Feels like
37°F
Dew Point
29°F
9 AM
44°F
0%
6mph
SE
Mostly Sunny
Humidity
56%
Feels like
41°F
Dew Point
29°F
10 AM
47°F
0%
6mph
SE
Sunny
Humidity
50%
Feels like
44°F
Dew Point
30°F
11 AM
51°F
0%
6mph
SSE
Mostly Sunny
Humidity
45%
Feels like
51°F
Dew Point
30°F
12 PM
54°F
0%
6mph
SSE
Partly Cloudy
Humidity
41%
Feels like
54°F
Dew Point
30°F
1 PM
56°F
0%
6mph
S
Partly Cloudy
Humidity
37%
Feels like
56°F
Dew Point
30°F
2 PM
58°F
0%
6mph
S
Mostly Cloudy
Humidity
35%
Feels like
58°F
Dew Point
30°F
3 PM
59°F
10%
6mph
S
Cloudy
Humidity
35%
Feels like
59°F
Dew Point
31°F
4 PM
59°F
10%
5mph
S
Cloudy
Humidity
35%
Feels like
59°F
Dew Point
31°F
5 PM
58°F
10%
5mph
S
Mostly Cloudy
Humidity
38%
Feels like
58°F
Dew Point
32°F
6 PM
56°F
10%
4mph
S
Partly Cloudy
Humidity
42%
Feels like
56°F
Dew Point
33°F
7 PM
54°F
10%
3mph
S
Partly Cloudy
Humidity
48%
Feels like
54°F
Dew Point
35°F
7:12 PM
8 PM
52°F
10%
4mph
S
Mostly Clear
Humidity
53%
Feels like
52°F
Dew Point
35°F
9 PM
50°F
10%
4mph
S
Mostly Clear
Humidity
58%
Feels like
50°F
Dew Point
36°F
10 PM
49°F
10%
4mph
S
Mostly Clear
Humidity
61%
Feels like
48°F
Dew Point
36°F
11 PM
48°F
10%
4mph
SSE
Clear
Humidity
63%
Feels like
47°F
Dew Point
36°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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