Hourly Weather Forecast - O'Fallon, MO

12 AM
14°F
20%
7mph
NW
Partly Cloudy
Humidity
45%
Feels like
4°F
Dew Point
-3°F
1 AM
13°F
20%
6mph
NW
Partly Cloudy
Humidity
48%
Feels like
3°F
Dew Point
-3°F
2 AM
12°F
20%
7mph
NW
Partly Cloudy
Humidity
49%
Feels like
1°F
Dew Point
-3°F
3 AM
11°F
10%
7mph
WNW
Partly Cloudy
Humidity
51%
Feels like
0°F
Dew Point
-4°F
4 AM
10°F
10%
6mph
WNW
Mostly Cloudy
Humidity
52%
Feels like
0°F
Dew Point
-4°F
5 AM
10°F
10%
6mph
WNW
Mostly Cloudy
Humidity
53%
Feels like
0°F
Dew Point
-4°F
6 AM
10°F
0%
6mph
W
Mostly Cloudy
Humidity
53%
Feels like
0°F
Dew Point
-4°F
7 AM
11°F
10%
6mph
W
Mostly Cloudy
Humidity
50%
Feels like
1°F
Dew Point
-4°F
7:18 AM
8 AM
12°F
10%
6mph
W
Cloudy
Humidity
48%
Feels like
3°F
Dew Point
-3°F
9 AM
15°F
10%
6mph
W
Cloudy
Humidity
46%
Feels like
5°F
Dew Point
-2°F
10 AM
18°F
10%
8mph
WSW
Partly Cloudy
Humidity
43%
Feels like
8°F
Dew Point
-1°F
11 AM
20°F
10%
9mph
WSW
Mostly Sunny
Humidity
40%
Feels like
10°F
Dew Point
0°F
12 PM
23°F
10%
10mph
WSW
Mostly Sunny
Humidity
37%
Feels like
13°F
Dew Point
1°F
1 PM
26°F
10%
11mph
WSW
Mostly Sunny
Humidity
35%
Feels like
16°F
Dew Point
2°F
2 PM
28°F
10%
11mph
W
Mostly Sunny
Humidity
34%
Feels like
18°F
Dew Point
4°F
3 PM
29°F
10%
11mph
W
Partly Cloudy
Humidity
35%
Feels like
20°F
Dew Point
5°F
4 PM
29°F
10%
10mph
W
Partly Cloudy
Humidity
36%
Feels like
20°F
Dew Point
6°F
5 PM
29°F
10%
9mph
W
Partly Cloudy
Humidity
38%
Feels like
20°F
Dew Point
6°F
5:08 PM
6 PM
29°F
10%
8mph
W
Partly Cloudy
Humidity
38%
Feels like
21°F
Dew Point
6°F
7 PM
29°F
10%
9mph
W
Mostly Cloudy
Humidity
37%
Feels like
21°F
Dew Point
6°F
8 PM
28°F
10%
9mph
W
Mostly Cloudy
Humidity
37%
Feels like
19°F
Dew Point
5°F
9 PM
27°F
10%
10mph
W
Mostly Cloudy
Humidity
39%
Feels like
17°F
Dew Point
5°F
10 PM
25°F
10%
10mph
W
Mostly Cloudy
Humidity
41%
Feels like
15°F
Dew Point
5°F
11 PM
24°F
0%
10mph
W
Mostly Cloudy
Humidity
44%
Feels like
14°F
Dew Point
5°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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