Hourly Weather Forecast - Alton, IA

3 AM
26°F
0%
11mph
W
Mostly Clear
Humidity
89%
Feels like
16°F
Dew Point
23°F
4 AM
25°F
0%
9mph
W
Partly Cloudy
Humidity
91%
Feels like
15°F
Dew Point
23°F
5 AM
24°F
0%
8mph
WSW
Mostly Cloudy
Humidity
94%
Feels like
15°F
Dew Point
23°F
6 AM
24°F
0%
8mph
SW
Mostly Cloudy
Humidity
95%
Feels like
16°F
Dew Point
23°F
7 AM
26°F
0%
8mph
SSW
Mostly Cloudy
Humidity
94%
Feels like
17°F
Dew Point
24°F
7:43 AM
8 AM
28°F
0%
9mph
S
Mostly Cloudy
Humidity
88%
Feels like
19°F
Dew Point
25°F
9 AM
31°F
0%
11mph
S
Mostly Cloudy
Humidity
83%
Feels like
22°F
Dew Point
27°F
10 AM
33°F
10%
13mph
S
Mostly Cloudy
Humidity
80%
Feels like
24°F
Dew Point
28°F
11 AM
35°F
10%
14mph
S
Mostly Cloudy
Humidity
79%
Feels like
26°F
Dew Point
29°F
12 PM
36°F
20%
16mph
S
Cloudy
Humidity
79%
Feels like
26°F
Dew Point
30°F
1 PM
36°F
30%
16mph
SSW
30% Chance of Light Rain
Humidity
80%
Feels like
26°F
Dew Point
31°F
2 PM
36°F
40%
16mph
SSW
40% Chance of Light Rain
Humidity
81%
Feels like
27°F
Dew Point
31°F
3 PM
37°F
30%
17mph
SW
30% Chance of Light Rain
Humidity
82%
Feels like
27°F
Dew Point
31°F
4 PM
37°F
10%
19mph
WSW
Cloudy
Humidity
80%
Feels like
27°F
Dew Point
32°F
4:49 PM
5 PM
37°F
10%
21mph
WSW
Windy
Humidity
82%
Feels like
26°F
Dew Point
32°F
6 PM
36°F
0%
25mph
W
Windy
Humidity
83%
Feels like
25°F
Dew Point
32°F
7 PM
35°F
0%
27mph
WNW
Windy
Humidity
87%
Feels like
22°F
Dew Point
32°F
8 PM
35°F
10%
29mph
WNW
Windy
Humidity
86%
Feels like
22°F
Dew Point
31°F
9 PM
35°F
0%
31mph
WNW
Windy
Humidity
84%
Feels like
21°F
Dew Point
31°F
10 PM
34°F
0%
32mph
WNW
Windy
Humidity
83%
Feels like
20°F
Dew Point
29°F
11 PM
34°F
0%
34mph
WNW
Windy
Humidity
81%
Feels like
19°F
Dew Point
28°F

Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

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