Hourly Weather Forecast - Alton, IA

2 AM
17°F
10%
8mph
E
Cloudy
Humidity
75%
Feels like
7°F
Dew Point
11°F
3 AM
17°F
10%
10mph
ESE
Cloudy
Humidity
76%
Feels like
6°F
Dew Point
11°F
4 AM
18°F
10%
11mph
ESE
Cloudy
Humidity
77%
Feels like
5°F
Dew Point
12°F
5 AM
18°F
10%
12mph
SE
Cloudy
Humidity
78%
Feels like
6°F
Dew Point
13°F
6 AM
19°F
30%
13mph
SE
30% Chance of Snow
Humidity
78%
Feels like
6°F
Dew Point
13°F
7 AM
20°F
30%
13mph
SE
30% Chance of Snow
Humidity
80%
Feels like
7°F
Dew Point
15°F
7:45 AM
8 AM
21°F
10%
14mph
SE
Cloudy
Humidity
80%
Feels like
8°F
Dew Point
16°F
9 AM
22°F
30%
14mph
SE
30% Chance of Heavy Snow
Humidity
79%
Feels like
10°F
Dew Point
17°F
10 AM
24°F
40%
15mph
SE
40% Chance of Snow
Humidity
79%
Feels like
11°F
Dew Point
18°F
11 AM
24°F
70%
15mph
SE
70% Chance of Snow
Humidity
78%
Feels like
12°F
Dew Point
19°F
12 PM
25°F
60%
15mph
SE
60% Chance of Heavy Snow
Humidity
77%
Feels like
13°F
Dew Point
19°F
1 PM
25°F
60%
15mph
SE
60% Chance of Sleet
Humidity
77%
Feels like
13°F
Dew Point
19°F
2 PM
25°F
50%
15mph
SE
50% Chance of Sleet
Humidity
78%
Feels like
13°F
Dew Point
19°F
3 PM
25°F
30%
14mph
SE
30% Chance Frozen Mix
Humidity
81%
Feels like
13°F
Dew Point
20°F
4 PM
24°F
30%
13mph
ESE
30% Chance of Heavy Snow
Humidity
82%
Feels like
13°F
Dew Point
20°F
4:49 PM
5 PM
25°F
30%
12mph
E
30 % Chance of Heavy Snow
Humidity
81%
Feels like
14°F
Dew Point
19°F
6 PM
25°F
30%
11mph
ENE
30% Chance of Snow
Humidity
80%
Feels like
14°F
Dew Point
19°F
7 PM
24°F
30%
11mph
NE
30% Chance of Snow
Humidity
80%
Feels like
13°F
Dew Point
19°F
8 PM
22°F
10%
10mph
NE
Cloudy
Humidity
80%
Feels like
12°F
Dew Point
17°F
9 PM
21°F
10%
9mph
NNE
Cloudy
Humidity
84%
Feels like
11°F
Dew Point
17°F
10 PM
20°F
10%
9mph
NNE
Cloudy
Humidity
85%
Feels like
10°F
Dew Point
17°F
11 PM
19°F
10%
9mph
N
Cloudy
Humidity
85%
Feels like
9°F
Dew Point
15°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide