Hourly Weather Forecast - Alton, IA

12 AM
23°F
30%
10mph
NNE
30% Chance of Flurries
Humidity
86%
Feels like
13°F
Dew Point
20°F
1 AM
23°F
30%
9mph
N
30% Chance of Flurries
Humidity
85%
Feels like
14°F
Dew Point
20°F
2 AM
24°F
30%
9mph
NNW
30% Chance of Flurries
Humidity
84%
Feels like
14°F
Dew Point
20°F
3 AM
24°F
30%
9mph
NNW
30% Chance of Flurries
Humidity
83%
Feels like
15°F
Dew Point
20°F
4 AM
24°F
20%
11mph
NNW
Cloudy
Humidity
82%
Feels like
14°F
Dew Point
20°F
5 AM
24°F
20%
13mph
NNW
Cloudy
Humidity
82%
Feels like
13°F
Dew Point
20°F
6 AM
24°F
10%
16mph
NNW
Cloudy
Humidity
81%
Feels like
12°F
Dew Point
20°F
7 AM
24°F
20%
17mph
NNW
Cloudy
Humidity
80%
Feels like
11°F
Dew Point
19°F
7:45 AM
8 AM
25°F
20%
19mph
NNW
Mostly Cloudy
Humidity
78%
Feels like
11°F
Dew Point
19°F
9 AM
24°F
10%
21mph
NNW
Windy
Humidity
76%
Feels like
9°F
Dew Point
18°F
10 AM
23°F
10%
22mph
NW
Windy
Humidity
74%
Feels like
7°F
Dew Point
16°F
11 AM
21°F
10%
23mph
NW
Windy
Humidity
74%
Feels like
4°F
Dew Point
14°F
12 PM
19°F
0%
23mph
NW
Windy
Humidity
73%
Feels like
2°F
Dew Point
11°F
1 PM
17°F
10%
22mph
NW
Windy
Humidity
71%
Feels like
-1°F
Dew Point
9°F
2 PM
15°F
10%
21mph
NW
Windy
Humidity
70%
Feels like
-3°F
Dew Point
7°F
3 PM
13°F
10%
20mph
NW
Mostly Cloudy
Humidity
70%
Feels like
-5°F
Dew Point
5°F
4 PM
12°F
10%
19mph
NW
Mostly Cloudy
Humidity
70%
Feels like
-6°F
Dew Point
4°F
4:49 PM
5 PM
11°F
10%
17mph
NW
Mostly Cloudy
Humidity
67%
Feels like
-7°F
Dew Point
2°F
6 PM
11°F
10%
16mph
NNW
Mostly Cloudy
Humidity
64%
Feels like
-6°F
Dew Point
1°F
7 PM
10°F
0%
16mph
NNW
Mostly Cloudy
Humidity
62%
Feels like
-7°F
Dew Point
0°F
8 PM
9°F
10%
15mph
NNW
Mostly Cloudy
Humidity
63%
Feels like
-7°F
Dew Point
-1°F
9 PM
8°F
30%
14mph
NNW
30% Chance Frozen Mix
Humidity
65%
Feels like
-8°F
Dew Point
-1°F
10 PM
7°F
30%
13mph
NNW
30% Chance Frozen Mix
Humidity
67%
Feels like
-9°F
Dew Point
-1°F
11 PM
7°F
30%
12mph
NNW
30% Chance Frozen Mix
Humidity
69%
Feels like
-9°F
Dew Point
-1°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts 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