Hourly Weather Forecast - Vandalia, IL

12 AM
40°F
0%
4mph
E
Cloudy
Humidity
91%
Feels like
38°F
Dew Point
38°F
1 AM
40°F
0%
4mph
E
Cloudy
Humidity
92%
Feels like
38°F
Dew Point
38°F
2 AM
40°F
10%
3mph
E
Cloudy
Humidity
93%
Feels like
38°F
Dew Point
38°F
3 AM
40°F
10%
4mph
E
Cloudy
Humidity
94%
Feels like
38°F
Dew Point
38°F
4 AM
40°F
40%
4mph
E
40% Chance of Light Rain
Humidity
94%
Feels like
37°F
Dew Point
38°F
5 AM
40°F
60%
4mph
E
60% Chance of Light Rain
Humidity
95%
Feels like
37°F
Dew Point
39°F
6 AM
41°F
60%
5mph
E
60% Chance of Light Rain
Humidity
96%
Feels like
37°F
Dew Point
39°F
6:26 AM
7 AM
42°F
70%
5mph
ESE
70% Chance of Light Rain
Humidity
97%
Feels like
38°F
Dew Point
41°F
8 AM
43°F
80%
6mph
ESE
80% Chance of Light Rain
Humidity
100%
Feels like
40°F
Dew Point
43°F
9 AM
45°F
80%
6mph
SE
80% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
10 AM
48°F
80%
6mph
SSE
80% Chance of Light Rain
Humidity
99%
Feels like
45°F
Dew Point
47°F
11 AM
51°F
80%
7mph
SSE
80% Chance of Light Rain
Humidity
96%
Feels like
51°F
Dew Point
49°F
12 PM
53°F
70%
7mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
53°F
Dew Point
51°F
1 PM
55°F
50%
7mph
S
50% Chance of Light Rain
Humidity
90%
Feels like
55°F
Dew Point
53°F
2 PM
57°F
40%
6mph
S
40% Chance of Light Rain
Humidity
88%
Feels like
57°F
Dew Point
54°F
3 PM
58°F
50%
5mph
S
50% Chance of Light Rain
Humidity
87%
Feels like
58°F
Dew Point
54°F
4 PM
58°F
60%
4mph
S
60% Chance of Light Rain
Humidity
87%
Feels like
58°F
Dew Point
54°F
5 PM
57°F
70%
2mph
SSE
70% Chance of Light Rain
Humidity
89%
Feels like
57°F
Dew Point
54°F
5:51 PM
6 PM
57°F
70%
3mph
ESE
70% Chance of Light Rain
Humidity
90%
Feels like
57°F
Dew Point
54°F
7 PM
56°F
80%
3mph
ESE
80% Chance of Light Rain
Humidity
92%
Feels like
56°F
Dew Point
54°F
8 PM
56°F
80%
4mph
E
80% Chance of Light Rain
Humidity
93%
Feels like
56°F
Dew Point
54°F
9 PM
55°F
70%
5mph
E
70% Chance of Light Rain
Humidity
94%
Feels like
55°F
Dew Point
53°F
10 PM
55°F
60%
5mph
ESE
60% Chance of Light Rain
Humidity
94%
Feels like
55°F
Dew Point
53°F
11 PM
55°F
60%
5mph
ESE
60% Chance of Light Rain
Humidity
93%
Feels like
55°F
Dew Point
53°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide