Hourly Weather Forecast - Alton, IA

9 AM
25°F
0%
23mph
NW
Windy
Humidity
78%
Feels like
10°F
Dew Point
19°F
10 AM
25°F
0%
23mph
NW
Windy
Humidity
74%
Feels like
10°F
Dew Point
18°F
11 AM
24°F
0%
22mph
NW
Windy
Humidity
72%
Feels like
9°F
Dew Point
17°F
12 PM
23°F
0%
22mph
NW
Windy
Humidity
72%
Feels like
7°F
Dew Point
15°F
1 PM
22°F
0%
21mph
NW
Windy
Humidity
72%
Feels like
6°F
Dew Point
14°F
2 PM
20°F
0%
20mph
NW
Mostly Cloudy
Humidity
72%
Feels like
5°F
Dew Point
13°F
3 PM
19°F
0%
18mph
NW
Mostly Cloudy
Humidity
72%
Feels like
4°F
Dew Point
11°F
4 PM
18°F
0%
17mph
NW
Mostly Cloudy
Humidity
71%
Feels like
3°F
Dew Point
11°F
4:49 PM
5 PM
18°F
0%
15mph
NW
Cloudy
Humidity
74%
Feels like
3°F
Dew Point
11°F
6 PM
17°F
0%
13mph
NW
Cloudy
Humidity
76%
Feels like
4°F
Dew Point
11°F
7 PM
17°F
0%
11mph
NW
Cloudy
Humidity
76%
Feels like
4°F
Dew Point
11°F
8 PM
17°F
0%
9mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
5°F
Dew Point
10°F
9 PM
16°F
0%
8mph
NNW
Cloudy
Humidity
76%
Feels like
5°F
Dew Point
10°F
10 PM
16°F
0%
7mph
N
Mostly Cloudy
Humidity
76%
Feels like
6°F
Dew Point
9°F
11 PM
15°F
0%
6mph
NE
Cloudy
Humidity
76%
Feels like
6°F
Dew Point
9°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

Today's Weather Outlook

Today'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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide