Hourly Weather Forecast - O'Fallon, IL

12 AM
31°F
30%
11mph
SSW
30% Chance of Snow
Humidity
54%
Feels like
22°F
Dew Point
16°F
1 AM
31°F
30%
11mph
SSW
30% Chance Frozen Mix
Humidity
57%
Feels like
22°F
Dew Point
18°F
2 AM
31°F
30%
11mph
SSW
30% Chance Frozen Mix
Humidity
59%
Feels like
22°F
Dew Point
18°F
3 AM
31°F
20%
11mph
SW
Cloudy
Humidity
62%
Feels like
22°F
Dew Point
20°F
4 AM
31°F
10%
11mph
SW
Mostly Cloudy
Humidity
64%
Feels like
22°F
Dew Point
20°F
5 AM
32°F
10%
10mph
WSW
Partly Cloudy
Humidity
66%
Feels like
24°F
Dew Point
22°F
6 AM
33°F
10%
10mph
W
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
24°F
7 AM
35°F
0%
10mph
W
Partly Cloudy
Humidity
67%
Feels like
27°F
Dew Point
25°F
7:15 AM
8 AM
37°F
0%
11mph
W
Partly Cloudy
Humidity
64%
Feels like
30°F
Dew Point
26°F
9 AM
40°F
0%
12mph
W
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
27°F
10 AM
42°F
0%
14mph
W
Mostly Cloudy
Humidity
54%
Feels like
35°F
Dew Point
27°F
11 AM
44°F
0%
15mph
W
Mostly Cloudy
Humidity
48%
Feels like
37°F
Dew Point
26°F
12 PM
46°F
10%
16mph
W
Mostly Cloudy
Humidity
44%
Feels like
39°F
Dew Point
25°F
1 PM
46°F
10%
16mph
W
Mostly Cloudy
Humidity
41%
Feels like
39°F
Dew Point
24°F
2 PM
45°F
10%
15mph
W
Mostly Cloudy
Humidity
40%
Feels like
39°F
Dew Point
22°F
3 PM
44°F
10%
15mph
W
Mostly Cloudy
Humidity
41%
Feels like
37°F
Dew Point
22°F
4 PM
42°F
10%
14mph
W
Mostly Cloudy
Humidity
44%
Feels like
34°F
Dew Point
21°F
5 PM
39°F
10%
13mph
W
Mostly Cloudy
Humidity
47%
Feels like
32°F
Dew Point
21°F
5:03 PM
6 PM
37°F
10%
13mph
W
Mostly Cloudy
Humidity
51%
Feels like
29°F
Dew Point
21°F
7 PM
36°F
20%
13mph
W
Partly Cloudy
Humidity
55%
Feels like
27°F
Dew Point
21°F
8 PM
34°F
20%
13mph
WNW
Partly Cloudy
Humidity
57%
Feels like
25°F
Dew Point
21°F
9 PM
33°F
20%
14mph
WNW
Partly Cloudy
Humidity
59%
Feels like
23°F
Dew Point
20°F
10 PM
31°F
20%
14mph
WNW
Partly Cloudy
Humidity
59%
Feels like
21°F
Dew Point
19°F
11 PM
30°F
20%
14mph
WNW
Partly Cloudy
Humidity
57%
Feels like
19°F
Dew Point
17°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

It will be a tale of two seasons on Wednesday, with cold, wintry weather in the East and dry, spring-like weather in the West.

(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

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

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