Hourly Weather Forecast - Decatur, IA

12 AM
11°F
10%
2mph
ENE
Mostly Cloudy
Humidity
76%
Feels like
11°F
Dew Point
5°F
1 AM
11°F
0%
2mph
E
Mostly Cloudy
Humidity
77%
Feels like
11°F
Dew Point
5°F
2 AM
11°F
0%
2mph
ESE
Mostly Cloudy
Humidity
79%
Feels like
11°F
Dew Point
6°F
3 AM
11°F
0%
2mph
SE
Mostly Cloudy
Humidity
79%
Feels like
11°F
Dew Point
6°F
4 AM
11°F
0%
3mph
SSE
Partly Cloudy
Humidity
80%
Feels like
11°F
Dew Point
6°F
5 AM
11°F
0%
3mph
SSE
Partly Cloudy
Humidity
81%
Feels like
5°F
Dew Point
6°F
6 AM
11°F
0%
4mph
S
Partly Cloudy
Humidity
83%
Feels like
4°F
Dew Point
7°F
7 AM
13°F
0%
4mph
S
Partly Cloudy
Humidity
81%
Feels like
5°F
Dew Point
8°F
7:26 AM
8 AM
15°F
0%
5mph
S
Mostly Cloudy
Humidity
81%
Feels like
7°F
Dew Point
10°F
9 AM
18°F
0%
6mph
S
Mostly Cloudy
Humidity
79%
Feels like
9°F
Dew Point
13°F
10 AM
22°F
0%
7mph
S
Cloudy
Humidity
76%
Feels like
13°F
Dew Point
15°F
11 AM
25°F
0%
8mph
S
Cloudy
Humidity
71%
Feels like
16°F
Dew Point
17°F
12 PM
27°F
0%
9mph
S
Cloudy
Humidity
68%
Feels like
18°F
Dew Point
18°F
1 PM
29°F
0%
10mph
S
Cloudy
Humidity
66%
Feels like
20°F
Dew Point
19°F
2 PM
30°F
0%
10mph
S
Cloudy
Humidity
65%
Feels like
22°F
Dew Point
20°F
3 PM
31°F
0%
11mph
S
Mostly Cloudy
Humidity
68%
Feels like
22°F
Dew Point
22°F
4 PM
31°F
0%
11mph
S
Mostly Cloudy
Humidity
71%
Feels like
22°F
Dew Point
23°F
4:47 PM
5 PM
30°F
0%
11mph
S
Partly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
24°F
6 PM
30°F
0%
11mph
S
Partly Cloudy
Humidity
79%
Feels like
21°F
Dew Point
24°F
7 PM
30°F
0%
11mph
SSW
Mostly Clear
Humidity
82%
Feels like
21°F
Dew Point
25°F
8 PM
30°F
0%
11mph
SSW
Clear
Humidity
86%
Feels like
21°F
Dew Point
27°F
9 PM
31°F
0%
11mph
SSW
Clear
Humidity
86%
Feels like
22°F
Dew Point
27°F
10 PM
31°F
0%
11mph
SSW
Mostly Clear
Humidity
89%
Feels like
22°F
Dew Point
28°F
11 PM
31°F
0%
10mph
SW
Mostly Cloudy
Humidity
91%
Feels like
22°F
Dew Point
29°F

Snow Totals Through Tonight

Snow Impacts Great Lakes to New England

A low pressure system spurs a swath of snow from Wisconsin to New England today.

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.

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People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

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Image courtesy of PeakPX.

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Today's National Outlook

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