Hourly Weather Forecast - Alton, IA

12 AM
23°F
10%
9mph
NNW
Partly Cloudy
Humidity
78%
Feels like
13°F
Dew Point
17°F
1 AM
23°F
10%
9mph
NNE
Partly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
17°F
2 AM
23°F
10%
9mph
E
Partly Cloudy
Humidity
74%
Feels like
14°F
Dew Point
17°F
3 AM
24°F
10%
8mph
ESE
Partly Cloudy
Humidity
74%
Feels like
15°F
Dew Point
17°F
4 AM
24°F
20%
8mph
SE
Partly Cloudy
Humidity
73%
Feels like
15°F
Dew Point
16°F
5 AM
22°F
20%
7mph
SSE
Mostly Cloudy
Humidity
78%
Feels like
13°F
Dew Point
17°F
6 AM
21°F
20%
7mph
S
Mostly Cloudy
Humidity
83%
Feels like
12°F
Dew Point
17°F
7 AM
20°F
30%
8mph
S
30% Chance of Flurries
Humidity
86%
Feels like
11°F
Dew Point
17°F
7:51 AM
8 AM
22°F
30%
9mph
S
30% Chance of Flurries
Humidity
82%
Feels like
13°F
Dew Point
18°F
9 AM
24°F
20%
9mph
S
Mostly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
19°F
10 AM
26°F
20%
10mph
S
Partly Cloudy
Humidity
77%
Feels like
16°F
Dew Point
19°F
11 AM
27°F
20%
10mph
S
Mostly Sunny
Humidity
76%
Feels like
17°F
Dew Point
20°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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