Hourly Weather Forecast - Alton, IA

4 AM
28°F
0%
9mph
WSW
Partly Cloudy
Humidity
79%
Feels like
20°F
Dew Point
23°F
5 AM
27°F
0%
8mph
WSW
Mostly Cloudy
Humidity
83%
Feels like
19°F
Dew Point
22°F
6 AM
27°F
0%
7mph
SW
Mostly Cloudy
Humidity
85%
Feels like
19°F
Dew Point
23°F
7 AM
28°F
0%
8mph
SSW
Mostly Cloudy
Humidity
85%
Feels like
20°F
Dew Point
24°F
7:43 AM
8 AM
30°F
0%
9mph
S
Mostly Cloudy
Humidity
81%
Feels like
22°F
Dew Point
25°F
9 AM
33°F
0%
11mph
S
Mostly Cloudy
Humidity
78%
Feels like
24°F
Dew Point
26°F
10 AM
35°F
10%
13mph
S
Mostly Cloudy
Humidity
76%
Feels like
26°F
Dew Point
28°F
11 AM
36°F
10%
14mph
S
Cloudy
Humidity
75%
Feels like
27°F
Dew Point
29°F
12 PM
37°F
20%
16mph
SSW
Cloudy
Humidity
76%
Feels like
27°F
Dew Point
30°F
1 PM
37°F
30%
17mph
SSW
30% Chance of Light Rain
Humidity
78%
Feels like
27°F
Dew Point
31°F
2 PM
37°F
40%
17mph
SW
40% Chance of Light Rain
Humidity
80%
Feels like
27°F
Dew Point
31°F
3 PM
37°F
30%
17mph
SW
30% Chance of Light Rain
Humidity
81%
Feels like
27°F
Dew Point
32°F
4 PM
37°F
10%
19mph
WSW
Cloudy
Humidity
80%
Feels like
27°F
Dew Point
32°F
4:49 PM
5 PM
38°F
10%
22mph
W
Windy
Humidity
78%
Feels like
27°F
Dew Point
32°F
6 PM
38°F
0%
26mph
W
Windy
Humidity
77%
Feels like
27°F
Dew Point
32°F
7 PM
38°F
0%
28mph
WNW
Windy
Humidity
78%
Feels like
26°F
Dew Point
32°F
8 PM
37°F
0%
30mph
WNW
Windy
Humidity
79%
Feels like
25°F
Dew Point
31°F
9 PM
37°F
0%
32mph
WNW
Windy
Humidity
79%
Feels like
23°F
Dew Point
31°F
10 PM
35°F
0%
34mph
WNW
Windy
Humidity
79%
Feels like
22°F
Dew Point
30°F
11 PM
34°F
0%
36mph
WNW
Windy
Humidity
79%
Feels like
20°F
Dew Point
29°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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide