Hourly Weather Forecast - Alton, IL

12 AM
30°F
0%
7mph
SE
Cloudy
Humidity
62%
Feels like
23°F
Dew Point
19°F
1 AM
29°F
0%
7mph
SSE
Cloudy
Humidity
63%
Feels like
22°F
Dew Point
19°F
2 AM
29°F
0%
7mph
SE
Cloudy
Humidity
64%
Feels like
22°F
Dew Point
19°F
3 AM
28°F
0%
7mph
SSE
Cloudy
Humidity
67%
Feels like
21°F
Dew Point
19°F
4 AM
28°F
0%
7mph
SSE
Cloudy
Humidity
68%
Feels like
21°F
Dew Point
19°F
5 AM
28°F
0%
7mph
SSE
Cloudy
Humidity
71%
Feels like
21°F
Dew Point
20°F
6 AM
28°F
0%
7mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
21°F
Dew Point
20°F
7 AM
29°F
0%
7mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
22°F
Dew Point
21°F
7:00 AM
8 AM
32°F
0%
7mph
SSE
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
22°F
9 AM
35°F
0%
6mph
SSE
Partly Cloudy
Humidity
63%
Feels like
30°F
Dew Point
24°F
10 AM
39°F
0%
6mph
SSE
Partly Cloudy
Humidity
59%
Feels like
34°F
Dew Point
26°F
11 AM
42°F
0%
6mph
SSE
Partly Cloudy
Humidity
57%
Feels like
38°F
Dew Point
28°F
12 PM
44°F
0%
5mph
SSE
Partly Cloudy
Humidity
56%
Feels like
42°F
Dew Point
29°F
1 PM
47°F
0%
4mph
SSE
Partly Cloudy
Humidity
55%
Feels like
45°F
Dew Point
31°F
2 PM
48°F
0%
4mph
SSE
Partly Cloudy
Humidity
56%
Feels like
47°F
Dew Point
33°F
3 PM
48°F
0%
4mph
SSE
Partly Cloudy
Humidity
57%
Feels like
47°F
Dew Point
33°F
4 PM
47°F
0%
3mph
SE
Partly Cloudy
Humidity
60%
Feels like
45°F
Dew Point
33°F
5 PM
44°F
0%
4mph
ESE
Partly Cloudy
Humidity
68%
Feels like
42°F
Dew Point
33°F
5:30 PM
6 PM
41°F
0%
4mph
ESE
Mostly Cloudy
Humidity
66%
Feels like
38°F
Dew Point
30°F
7 PM
39°F
0%
4mph
ESE
Mostly Cloudy
Humidity
72%
Feels like
36°F
Dew Point
31°F
8 PM
38°F
0%
5mph
ESE
Mostly Cloudy
Humidity
75%
Feels like
34°F
Dew Point
31°F
9 PM
37°F
0%
5mph
ESE
Mostly Cloudy
Humidity
76%
Feels like
34°F
Dew Point
31°F
10 PM
37°F
0%
4mph
ESE
Mostly Cloudy
Humidity
75%
Feels like
33°F
Dew Point
30°F
11 PM
36°F
0%
4mph
E
Mostly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
29°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

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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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