Hourly Weather Forecast - O'Fallon, IL

12 AM
45°F
0%
7mph
SSW
Clear
Humidity
52%
Feels like
41°F
Dew Point
28°F
1 AM
44°F
0%
7mph
SSW
Mostly Clear
Humidity
55%
Feels like
40°F
Dew Point
28°F
2 AM
42°F
0%
7mph
SSW
Mostly Clear
Humidity
55%
Feels like
38°F
Dew Point
28°F
3 AM
42°F
0%
8mph
SSW
Partly Cloudy
Humidity
56%
Feels like
37°F
Dew Point
27°F
4 AM
41°F
0%
8mph
SSW
Partly Cloudy
Humidity
57%
Feels like
36°F
Dew Point
27°F
5 AM
41°F
0%
8mph
SSW
Partly Cloudy
Humidity
60%
Feels like
36°F
Dew Point
28°F
6 AM
42°F
0%
9mph
SSW
Partly Cloudy
Humidity
60%
Feels like
36°F
Dew Point
29°F
7 AM
43°F
0%
9mph
SW
Mostly Clear
Humidity
59%
Feels like
38°F
Dew Point
29°F
7:16 AM
8 AM
46°F
0%
9mph
SW
Mostly Sunny
Humidity
55%
Feels like
41°F
Dew Point
31°F
9 AM
50°F
0%
10mph
WSW
Mostly Sunny
Humidity
49%
Feels like
50°F
Dew Point
32°F
10 AM
54°F
0%
11mph
WSW
Partly Cloudy
Humidity
45%
Feels like
54°F
Dew Point
33°F
11 AM
57°F
0%
12mph
WSW
Partly Cloudy
Humidity
41%
Feels like
57°F
Dew Point
34°F
12 PM
59°F
0%
12mph
W
Partly Cloudy
Humidity
39%
Feels like
59°F
Dew Point
34°F
1 PM
60°F
0%
12mph
W
Partly Cloudy
Humidity
39%
Feels like
60°F
Dew Point
35°F
2 PM
60°F
0%
11mph
W
Mostly Cloudy
Humidity
39%
Feels like
60°F
Dew Point
35°F
3 PM
59°F
0%
10mph
W
Mostly Cloudy
Humidity
41%
Feels like
59°F
Dew Point
35°F
4 PM
57°F
0%
9mph
W
Mostly Cloudy
Humidity
43%
Feels like
57°F
Dew Point
35°F
5 PM
54°F
0%
8mph
W
Cloudy
Humidity
48%
Feels like
54°F
Dew Point
35°F
5:00 PM
6 PM
53°F
0%
7mph
W
Cloudy
Humidity
52%
Feels like
53°F
Dew Point
36°F
7 PM
52°F
0%
7mph
W
Cloudy
Humidity
54%
Feels like
52°F
Dew Point
36°F
8 PM
51°F
10%
8mph
WNW
Cloudy
Humidity
57%
Feels like
51°F
Dew Point
37°F
9 PM
51°F
30%
9mph
WNW
30% Chance of Light Rain
Humidity
57%
Feels like
51°F
Dew Point
36°F
10 PM
49°F
30%
9mph
WNW
30% Chance of Light Rain
Humidity
62%
Feels like
46°F
Dew Point
37°F
11 PM
49°F
30%
9mph
W
30% Chance of Light Rain
Humidity
66%
Feels like
45°F
Dew Point
38°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(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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