Hourly Weather Forecast - Decatur, IA

12 AM
7°F
0%
6mph
W
Partly Cloudy
Humidity
54%
Feels like
-4°F
Dew Point
-6°F
1 AM
6°F
0%
6mph
WSW
Partly Cloudy
Humidity
57%
Feels like
-5°F
Dew Point
-5°F
2 AM
6°F
0%
7mph
WSW
Mostly Cloudy
Humidity
59%
Feels like
-6°F
Dew Point
-5°F
3 AM
6°F
0%
8mph
SW
Cloudy
Humidity
61%
Feels like
-6°F
Dew Point
-4°F
4 AM
7°F
0%
9mph
SW
Cloudy
Humidity
61%
Feels like
-6°F
Dew Point
-3°F
5 AM
8°F
0%
9mph
SW
Mostly Cloudy
Humidity
61%
Feels like
-6°F
Dew Point
-3°F
6 AM
9°F
10%
10mph
SW
Mostly Cloudy
Humidity
60%
Feels like
-5°F
Dew Point
-2°F
7 AM
11°F
10%
11mph
SSW
Mostly Cloudy
Humidity
56%
Feels like
-4°F
Dew Point
-2°F
7:36 AM
8 AM
13°F
20%
13mph
SSW
Cloudy
Humidity
55%
Feels like
-1°F
Dew Point
0°F
9 AM
17°F
10%
13mph
SSW
Cloudy
Humidity
51%
Feels like
4°F
Dew Point
2°F
10 AM
21°F
10%
13mph
SW
Mostly Cloudy
Humidity
45%
Feels like
9°F
Dew Point
4°F
11 AM
25°F
0%
14mph
WSW
Partly Cloudy
Humidity
41%
Feels like
13°F
Dew Point
5°F
12 PM
29°F
0%
15mph
W
Mostly Cloudy
Humidity
39%
Feels like
17°F
Dew Point
7°F
1 PM
31°F
0%
16mph
WNW
Mostly Cloudy
Humidity
39%
Feels like
20°F
Dew Point
9°F
2 PM
33°F
0%
16mph
WNW
Partly Cloudy
Humidity
41%
Feels like
22°F
Dew Point
11°F
3 PM
33°F
30%
17mph
NW
30% Chance Snow Showers
Humidity
45%
Feels like
22°F
Dew Point
13°F
4 PM
31°F
30%
15mph
NW
30% Chance Snow Showers
Humidity
50%
Feels like
21°F
Dew Point
15°F
5 PM
29°F
30%
15mph
NW
30% Chance Snow Showers
Humidity
57%
Feels like
18°F
Dew Point
16°F
5:15 PM
6 PM
27°F
30%
15mph
NW
30% Chance of Flurries
Humidity
60%
Feels like
16°F
Dew Point
15°F
7 PM
25°F
30%
15mph
NW
30% Chance of Flurries
Humidity
60%
Feels like
13°F
Dew Point
13°F
8 PM
23°F
0%
15mph
NW
Cloudy
Humidity
58%
Feels like
9°F
Dew Point
10°F
9 PM
20°F
0%
16mph
NW
Mostly Cloudy
Humidity
55%
Feels like
6°F
Dew Point
7°F
10 PM
18°F
0%
16mph
NW
Partly Cloudy
Humidity
50%
Feels like
3°F
Dew Point
3°F
11 PM
16°F
0%
16mph
NNW
Partly Cloudy
Humidity
51%
Feels like
0°F
Dew Point
1°F

Snow Forecast through Saturday

Multiple Snowy Systems Hit Great Lakes, Northeast

A new disturbance will track across the Upper Midwest, central Appalachia, Northeast, and Great Lakes.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

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