Hourly Weather Forecast - O'Fallon, MO

12 AM
33°F
60%
10mph
SW
60% Chance Frozen Mix
Humidity
58%
Feels like
25°F
Dew Point
20°F
1 AM
33°F
40%
11mph
SW
40% Chance Frozen Mix
Humidity
62%
Feels like
25°F
Dew Point
22°F
2 AM
33°F
30%
11mph
WSW
30% Chance of Light Rain
Humidity
65%
Feels like
25°F
Dew Point
22°F
3 AM
33°F
30%
12mph
WSW
30% Chance Frozen Mix
Humidity
68%
Feels like
24°F
Dew Point
23°F
4 AM
33°F
20%
12mph
W
Mostly Cloudy
Humidity
71%
Feels like
24°F
Dew Point
24°F
5 AM
33°F
20%
12mph
W
Mostly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
26°F
6 AM
33°F
20%
13mph
W
Partly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
26°F
7 AM
34°F
20%
13mph
W
Partly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
26°F
7:19 AM
8 AM
36°F
20%
14mph
W
Partly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
27°F
9 AM
38°F
20%
15mph
W
Partly Cloudy
Humidity
65%
Feels like
30°F
Dew Point
28°F
10 AM
41°F
20%
16mph
W
Partly Cloudy
Humidity
59%
Feels like
33°F
Dew Point
28°F
11 AM
42°F
20%
18mph
W
Partly Cloudy
Humidity
53%
Feels like
34°F
Dew Point
27°F
12 PM
44°F
20%
19mph
W
Partly Cloudy
Humidity
48%
Feels like
35°F
Dew Point
25°F
1 PM
44°F
20%
18mph
W
Partly Cloudy
Humidity
46%
Feels like
36°F
Dew Point
25°F
2 PM
44°F
20%
18mph
W
Partly Cloudy
Humidity
44%
Feels like
36°F
Dew Point
24°F
3 PM
43°F
20%
17mph
W
Mostly Cloudy
Humidity
43%
Feels like
35°F
Dew Point
22°F
4 PM
41°F
20%
15mph
W
Mostly Cloudy
Humidity
46%
Feels like
33°F
Dew Point
22°F
5 PM
39°F
20%
13mph
W
Mostly Cloudy
Humidity
49%
Feels like
31°F
Dew Point
22°F
5:06 PM
6 PM
38°F
10%
12mph
W
Mostly Cloudy
Humidity
50%
Feels like
30°F
Dew Point
21°F
7 PM
37°F
10%
13mph
W
Cloudy
Humidity
51%
Feels like
29°F
Dew Point
21°F
8 PM
36°F
10%
13mph
W
Cloudy
Humidity
53%
Feels like
27°F
Dew Point
20°F
9 PM
34°F
10%
13mph
WNW
Cloudy
Humidity
53%
Feels like
25°F
Dew Point
19°F
10 PM
32°F
10%
13mph
WNW
Mostly Cloudy
Humidity
50%
Feels like
23°F
Dew Point
16°F
11 PM
30°F
10%
13mph
WNW
Partly Cloudy
Humidity
46%
Feels like
21°F
Dew Point
12°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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