Hourly Weather Forecast - Alton, IL

1 PM
20°F
0%
8mph
SSW
Mostly Cloudy
Humidity
54%
Feels like
10°F
Dew Point
6°F
2 PM
22°F
0%
8mph
SSW
Mostly Cloudy
Humidity
52%
Feels like
13°F
Dew Point
7°F
3 PM
24°F
0%
8mph
SSW
Mostly Cloudy
Humidity
49%
Feels like
15°F
Dew Point
7°F
4 PM
24°F
0%
7mph
SSW
Partly Cloudy
Humidity
48%
Feels like
16°F
Dew Point
8°F
5 PM
26°F
0%
6mph
SW
Partly Cloudy
Humidity
47%
Feels like
19°F
Dew Point
8°F
5:06 PM
6 PM
27°F
0%
6mph
WSW
Mostly Cloudy
Humidity
47%
Feels like
20°F
Dew Point
9°F
7 PM
27°F
0%
7mph
W
Mostly Cloudy
Humidity
51%
Feels like
20°F
Dew Point
11°F
8 PM
27°F
0%
9mph
W
Partly Cloudy
Humidity
54%
Feels like
18°F
Dew Point
12°F
9 PM
27°F
0%
11mph
WNW
Partly Cloudy
Humidity
55%
Feels like
17°F
Dew Point
13°F
10 PM
26°F
0%
12mph
WNW
Partly Cloudy
Humidity
56%
Feels like
15°F
Dew Point
12°F
11 PM
25°F
0%
13mph
WNW
Mostly Clear
Humidity
53%
Feels like
14°F
Dew Point
10°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and eastern U.S.

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

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People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

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