Hourly Weather Forecast - Decatur, IA

4 AM
30°F
0%
3mph
WNW
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
24°F
5 AM
29°F
0%
2mph
NW
Mostly Cloudy
Humidity
81%
Feels like
29°F
Dew Point
24°F
6 AM
28°F
0%
2mph
NW
Partly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
24°F
7 AM
28°F
0%
1mph
NNE
Partly Cloudy
Humidity
83%
Feels like
28°F
Dew Point
24°F
7:24 AM
8 AM
30°F
0%
1mph
ENE
Partly Cloudy
Humidity
81%
Feels like
30°F
Dew Point
25°F
9 AM
32°F
0%
2mph
E
Mostly Cloudy
Humidity
79%
Feels like
32°F
Dew Point
26°F
10 AM
34°F
0%
4mph
ESE
Mostly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
27°F
11 AM
35°F
0%
6mph
SE
Mostly Cloudy
Humidity
72%
Feels like
30°F
Dew Point
27°F
12 PM
36°F
0%
7mph
SE
Cloudy
Humidity
70%
Feels like
30°F
Dew Point
27°F
1 PM
37°F
10%
8mph
SE
Cloudy
Humidity
70%
Feels like
30°F
Dew Point
28°F
2 PM
36°F
10%
9mph
SE
Cloudy
Humidity
71%
Feels like
29°F
Dew Point
27°F
3 PM
34°F
10%
9mph
SE
Cloudy
Humidity
75%
Feels like
27°F
Dew Point
27°F
4 PM
33°F
30%
9mph
SE
30% Chance of Light Rain
Humidity
82%
Feels like
25°F
Dew Point
28°F
4:47 PM
5 PM
33°F
20%
10mph
SE
Cloudy
Humidity
85%
Feels like
25°F
Dew Point
29°F
6 PM
34°F
20%
9mph
SE
Cloudy
Humidity
86%
Feels like
26°F
Dew Point
30°F
7 PM
34°F
20%
9mph
SE
Cloudy
Humidity
88%
Feels like
27°F
Dew Point
31°F
8 PM
35°F
20%
9mph
SSE
Cloudy
Humidity
90%
Feels like
28°F
Dew Point
32°F
9 PM
35°F
20%
7mph
SSE
Mostly Cloudy
Humidity
90%
Feels like
29°F
Dew Point
32°F
10 PM
34°F
20%
4mph
SSE
Mostly Cloudy
Humidity
93%
Feels like
31°F
Dew Point
33°F
11 PM
34°F
20%
1mph
NNW
Cloudy
Humidity
95%
Feels like
34°F
Dew Point
33°F

Snowfall Forecast Through Tonight

Snow To Impact the Rockies This Weekend

A winter storm continues across the Cascades and northern Rockies today through tonight causing periods of moderate to heavy snow.

Weekend Weather Outlook

Weekend 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)

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Image courtesy of PeakPX.

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