Hourly Weather Forecast - Alton, IL

12 AM
33°F
0%
4mph
WNW
Mostly Clear
Humidity
84%
Feels like
30°F
Dew Point
29°F
1 AM
33°F
0%
4mph
WNW
Mostly Clear
Humidity
85%
Feels like
29°F
Dew Point
29°F
2 AM
33°F
0%
4mph
W
Mostly Clear
Humidity
84%
Feels like
29°F
Dew Point
29°F
3 AM
33°F
0%
4mph
W
Mostly Clear
Humidity
87%
Feels like
28°F
Dew Point
29°F
4 AM
33°F
0%
5mph
W
Mostly Clear
Humidity
87%
Feels like
29°F
Dew Point
30°F
5 AM
34°F
0%
6mph
WSW
Clear
Humidity
89%
Feels like
29°F
Dew Point
31°F
6 AM
35°F
0%
7mph
W
Mostly Clear
Humidity
87%
Feels like
29°F
Dew Point
32°F
7 AM
37°F
0%
8mph
W
Clear
Humidity
87%
Feels like
31°F
Dew Point
33°F
7:02 AM
8 AM
39°F
0%
9mph
WNW
Sunny
Humidity
85%
Feels like
33°F
Dew Point
35°F
9 AM
42°F
0%
11mph
WNW
Mostly Sunny
Humidity
82%
Feels like
35°F
Dew Point
37°F
10 AM
43°F
0%
12mph
NW
Partly Cloudy
Humidity
79%
Feels like
37°F
Dew Point
37°F
11 AM
44°F
0%
12mph
NW
Partly Cloudy
Humidity
77%
Feels like
38°F
Dew Point
37°F
12 PM
44°F
0%
13mph
NNW
Partly Cloudy
Humidity
76%
Feels like
38°F
Dew Point
37°F
1 PM
44°F
0%
12mph
NNW
Mostly Cloudy
Humidity
75%
Feels like
38°F
Dew Point
37°F
2 PM
44°F
0%
12mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
38°F
Dew Point
36°F
3 PM
43°F
0%
11mph
NNW
Cloudy
Humidity
72%
Feels like
37°F
Dew Point
35°F
4 PM
43°F
0%
11mph
NNW
Cloudy
Humidity
72%
Feels like
37°F
Dew Point
34°F
5 PM
42°F
0%
10mph
NNW
Cloudy
Humidity
71%
Feels like
36°F
Dew Point
33°F
5:27 PM
6 PM
41°F
0%
9mph
NNW
Cloudy
Humidity
72%
Feels like
36°F
Dew Point
33°F
7 PM
41°F
0%
9mph
NNW
Cloudy
Humidity
72%
Feels like
35°F
Dew Point
32°F
8 PM
40°F
0%
8mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
34°F
Dew Point
31°F
9 PM
39°F
0%
8mph
NNW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
31°F
10 PM
38°F
0%
8mph
NNW
Partly Cloudy
Humidity
71%
Feels like
33°F
Dew Point
30°F
11 PM
37°F
0%
7mph
NNW
Mostly Clear
Humidity
71%
Feels like
31°F
Dew Point
28°F

Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

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