Hourly Weather Forecast - Decatur, IA

12 AM
33°F
0%
12mph
SSW
Clear
Humidity
64%
Feels like
23°F
Dew Point
22°F
1 AM
33°F
0%
12mph
SSW
Clear
Humidity
65%
Feels like
24°F
Dew Point
23°F
2 AM
33°F
0%
12mph
SSW
Clear
Humidity
66%
Feels like
24°F
Dew Point
23°F
3 AM
34°F
0%
12mph
SSW
Clear
Humidity
66%
Feels like
25°F
Dew Point
24°F
4 AM
34°F
0%
11mph
SSW
Clear
Humidity
67%
Feels like
25°F
Dew Point
24°F
5 AM
34°F
0%
11mph
SSW
Mostly Clear
Humidity
69%
Feels like
26°F
Dew Point
25°F
6 AM
34°F
0%
10mph
SW
Mostly Clear
Humidity
71%
Feels like
26°F
Dew Point
26°F
7 AM
34°F
0%
9mph
SW
Mostly Clear
Humidity
73%
Feels like
27°F
Dew Point
27°F
7:35 AM
8 AM
36°F
0%
9mph
WSW
Partly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
28°F
9 AM
38°F
0%
9mph
W
Mostly Cloudy
Humidity
68%
Feels like
32°F
Dew Point
29°F
10 AM
42°F
0%
8mph
WNW
Mostly Cloudy
Humidity
62%
Feels like
36°F
Dew Point
30°F
11 AM
44°F
0%
9mph
NW
Partly Cloudy
Humidity
57%
Feels like
39°F
Dew Point
30°F
12 PM
46°F
0%
10mph
NW
Partly Cloudy
Humidity
53%
Feels like
41°F
Dew Point
30°F
1 PM
46°F
10%
10mph
NNW
Partly Cloudy
Humidity
51%
Feels like
41°F
Dew Point
29°F
2 PM
46°F
10%
10mph
NNW
Partly Cloudy
Humidity
49%
Feels like
41°F
Dew Point
28°F
3 PM
44°F
10%
10mph
NNW
Partly Cloudy
Humidity
50%
Feels like
39°F
Dew Point
26°F
4 PM
42°F
10%
9mph
NNW
Mostly Sunny
Humidity
53%
Feels like
36°F
Dew Point
26°F
4:50 PM
5 PM
39°F
10%
8mph
NNW
Mostly Clear
Humidity
57%
Feels like
33°F
Dew Point
25°F
6 PM
37°F
10%
7mph
NNW
Mostly Clear
Humidity
61%
Feels like
32°F
Dew Point
25°F
7 PM
36°F
10%
7mph
NNW
Mostly Clear
Humidity
65%
Feels like
30°F
Dew Point
25°F
8 PM
34°F
10%
7mph
NNW
Mostly Clear
Humidity
68%
Feels like
28°F
Dew Point
25°F
9 PM
33°F
10%
6mph
NNW
Mostly Clear
Humidity
71%
Feels like
27°F
Dew Point
24°F
10 PM
31°F
10%
6mph
NNW
Mostly Clear
Humidity
73%
Feels like
26°F
Dew Point
24°F
11 PM
30°F
10%
5mph
NNW
Mostly Clear
Humidity
75%
Feels like
25°F
Dew Point
23°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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