Hourly Weather Forecast - Decatur, IA

12 AM
12°F
0%
11mph
S
Clear
Humidity
60%
Feels like
-1°F
Dew Point
1°F
1 AM
13°F
0%
11mph
S
Clear
Humidity
59%
Feels like
-1°F
Dew Point
2°F
2 AM
14°F
0%
12mph
S
Clear
Humidity
58%
Feels like
0°F
Dew Point
2°F
3 AM
15°F
0%
12mph
SSW
Clear
Humidity
57%
Feels like
2°F
Dew Point
3°F
4 AM
17°F
0%
13mph
SSW
Clear
Humidity
56%
Feels like
3°F
Dew Point
4°F
5 AM
17°F
0%
13mph
SSW
Clear
Humidity
59%
Feels like
4°F
Dew Point
5°F
6 AM
17°F
0%
13mph
SSW
Clear
Humidity
63%
Feels like
4°F
Dew Point
7°F
7 AM
18°F
0%
13mph
SSW
Clear
Humidity
66%
Feels like
5°F
Dew Point
9°F
7:32 AM
8 AM
21°F
0%
13mph
SW
Sunny
Humidity
64%
Feels like
8°F
Dew Point
11°F
9 AM
25°F
0%
13mph
SW
Sunny
Humidity
60%
Feels like
13°F
Dew Point
13°F
10 AM
29°F
0%
13mph
SW
Sunny
Humidity
56%
Feels like
18°F
Dew Point
15°F
11 AM
32°F
0%
13mph
SW
Sunny
Humidity
52%
Feels like
22°F
Dew Point
17°F
12 PM
35°F
0%
13mph
SW
Sunny
Humidity
50%
Feels like
26°F
Dew Point
18°F
1 PM
36°F
0%
12mph
SW
Sunny
Humidity
50%
Feels like
28°F
Dew Point
19°F
2 PM
36°F
0%
11mph
SW
Sunny
Humidity
51%
Feels like
29°F
Dew Point
20°F
3 PM
36°F
0%
9mph
SW
Sunny
Humidity
53%
Feels like
28°F
Dew Point
20°F
4 PM
34°F
0%
8mph
SW
Mostly Sunny
Humidity
58%
Feels like
27°F
Dew Point
21°F
4:48 PM
5 PM
32°F
0%
6mph
WSW
Mostly Clear
Humidity
63%
Feels like
26°F
Dew Point
21°F
6 PM
30°F
0%
5mph
WSW
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
21°F
7 PM
28°F
0%
4mph
WSW
Mostly Clear
Humidity
73%
Feels like
23°F
Dew Point
20°F
8 PM
27°F
0%
4mph
WSW
Mostly Clear
Humidity
76%
Feels like
22°F
Dew Point
20°F
9 PM
26°F
0%
4mph
WSW
Clear
Humidity
78%
Feels like
21°F
Dew Point
20°F
10 PM
25°F
0%
4mph
WSW
Clear
Humidity
80%
Feels like
21°F
Dew Point
20°F
11 PM
24°F
0%
3mph
SW
Clear
Humidity
81%
Feels like
20°F
Dew Point
19°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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