Hourly Weather Forecast - O'Fallon, MO

12 AM
30°F
10%
8mph
SSW
Cloudy
Humidity
61%
Feels like
22°F
Dew Point
18°F
1 AM
30°F
10%
9mph
SSW
Cloudy
Humidity
63%
Feels like
22°F
Dew Point
19°F
2 AM
30°F
10%
9mph
SW
Cloudy
Humidity
64%
Feels like
22°F
Dew Point
19°F
3 AM
30°F
10%
9mph
SW
Cloudy
Humidity
66%
Feels like
21°F
Dew Point
20°F
4 AM
30°F
10%
9mph
SW
Cloudy
Humidity
68%
Feels like
21°F
Dew Point
20°F
5 AM
30°F
10%
10mph
WSW
Cloudy
Humidity
70%
Feels like
21°F
Dew Point
21°F
6 AM
30°F
10%
11mph
WSW
Mostly Cloudy
Humidity
73%
Feels like
21°F
Dew Point
22°F
7 AM
31°F
10%
12mph
W
Mostly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
24°F
7:19 AM
8 AM
33°F
10%
13mph
W
Mostly Cloudy
Humidity
71%
Feels like
24°F
Dew Point
25°F
9 AM
36°F
10%
13mph
W
Mostly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
27°F
10 AM
39°F
20%
14mph
W
Mostly Cloudy
Humidity
64%
Feels like
31°F
Dew Point
28°F
11 AM
41°F
20%
16mph
W
Mostly Cloudy
Humidity
61%
Feels like
33°F
Dew Point
28°F
12 PM
42°F
20%
17mph
W
Mostly Cloudy
Humidity
59%
Feels like
34°F
Dew Point
29°F
1 PM
43°F
20%
17mph
W
Mostly Cloudy
Humidity
58%
Feels like
35°F
Dew Point
29°F
2 PM
42°F
20%
16mph
W
Mostly Cloudy
Humidity
58%
Feels like
35°F
Dew Point
29°F
3 PM
41°F
20%
15mph
W
Mostly Cloudy
Humidity
59%
Feels like
33°F
Dew Point
28°F
4 PM
40°F
30%
14mph
W
30% Chance of Light Rain
Humidity
63%
Feels like
32°F
Dew Point
28°F
5 PM
38°F
30%
13mph
W
30% Chance of Flurries
Humidity
66%
Feels like
30°F
Dew Point
27°F
5:06 PM
6 PM
36°F
30%
11mph
W
30% Chance of Flurries
Humidity
68%
Feels like
28°F
Dew Point
26°F
7 PM
34°F
20%
12mph
W
Mostly Cloudy
Humidity
69%
Feels like
26°F
Dew Point
25°F
8 PM
33°F
20%
12mph
W
Mostly Cloudy
Humidity
68%
Feels like
24°F
Dew Point
24°F
9 PM
32°F
30%
13mph
WNW
30% Chance Snow Showers
Humidity
67%
Feels like
23°F
Dew Point
22°F
10 PM
31°F
30%
13mph
WNW
30% Chance of Snow
Humidity
65%
Feels like
21°F
Dew Point
21°F
11 PM
30°F
30%
12mph
WNW
30% Chance Snow Showers
Humidity
64%
Feels like
20°F
Dew Point
19°F

Monday's Weather Outlook

Today's Weather Outlook

An active pattern comes to an end as high pressure will bring quiet weather nationally.

(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)

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