Hourly Weather Forecast - Alton, IL

12 AM
18°F
40%
9mph
N
40% Chance of Flurries
Humidity
65%
Feels like
7°F
Dew Point
8°F
1 AM
17°F
40%
9mph
NNE
40% Chance of Flurries
Humidity
66%
Feels like
5°F
Dew Point
7°F
2 AM
15°F
40%
9mph
NNE
40% Chance of Flurries
Humidity
69%
Feels like
3°F
Dew Point
6°F
3 AM
12°F
40%
9mph
NNE
40% Chance of Heavy Snow
Humidity
71%
Feels like
0°F
Dew Point
5°F
4 AM
10°F
40%
10mph
NNE
40% Chance of Flurries
Humidity
72%
Feels like
-3°F
Dew Point
3°F
5 AM
10°F
40%
11mph
NNE
40% Chance of Flurries
Humidity
66%
Feels like
-3°F
Dew Point
1°F
6 AM
12°F
40%
11mph
NNE
40% Chance of Flurries
Humidity
58%
Feels like
-2°F
Dew Point
0°F
7 AM
13°F
40%
11mph
NNE
40% Chance of Flurries
Humidity
60%
Feels like
0°F
Dew Point
2°F
7:13 AM
8 AM
14°F
30%
11mph
NNE
30% Chance of Flurries
Humidity
59%
Feels like
1°F
Dew Point
2°F
9 AM
14°F
30%
11mph
NNE
30% Chance of Flurries
Humidity
60%
Feels like
1°F
Dew Point
3°F
10 AM
14°F
20%
10mph
NNE
Cloudy
Humidity
59%
Feels like
1°F
Dew Point
2°F
11 AM
15°F
10%
10mph
NNE
Cloudy
Humidity
56%
Feels like
2°F
Dew Point
2°F
12 PM
16°F
10%
10mph
NNE
Cloudy
Humidity
52%
Feels like
4°F
Dew Point
1°F
1 PM
17°F
10%
10mph
NNE
Cloudy
Humidity
48%
Feels like
5°F
Dew Point
1°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.

Monday's Weather Outlook

Monday'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)

Safety Tips For Icy Surfaces

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