Hourly Weather Forecast - Mason City Junction, IA

12 AM
31°F
10%
13mph
SSE
Cloudy
Humidity
74%
Feels like
21°F
Dew Point
24°F
1 AM
31°F
10%
14mph
SSE
Cloudy
Humidity
73%
Feels like
21°F
Dew Point
24°F
2 AM
31°F
10%
15mph
SSE
Cloudy
Humidity
74%
Feels like
20°F
Dew Point
24°F
3 AM
31°F
10%
15mph
SSE
Cloudy
Humidity
75%
Feels like
20°F
Dew Point
24°F
4 AM
30°F
10%
14mph
SSE
Cloudy
Humidity
77%
Feels like
20°F
Dew Point
24°F
5 AM
30°F
10%
14mph
SSE
Cloudy
Humidity
77%
Feels like
20°F
Dew Point
24°F
6 AM
30°F
10%
13mph
SSE
Mostly Cloudy
Humidity
77%
Feels like
20°F
Dew Point
24°F
7 AM
30°F
10%
13mph
SSE
Partly Cloudy
Humidity
75%
Feels like
20°F
Dew Point
24°F
7:41 AM
8 AM
32°F
10%
14mph
SSE
Mostly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
24°F
9 AM
33°F
10%
14mph
SSE
Cloudy
Humidity
71%
Feels like
24°F
Dew Point
25°F
10 AM
35°F
10%
15mph
SSE
Mostly Cloudy
Humidity
70%
Feels like
25°F
Dew Point
26°F
11 AM
36°F
10%
15mph
SSE
Partly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
27°F
12 PM
38°F
10%
15mph
S
Partly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
28°F
1 PM
38°F
20%
15mph
S
Mostly Sunny
Humidity
67%
Feels like
30°F
Dew Point
29°F
2 PM
39°F
20%
14mph
S
Sunny
Humidity
69%
Feels like
30°F
Dew Point
29°F
3 PM
38°F
10%
14mph
S
Sunny
Humidity
72%
Feels like
30°F
Dew Point
30°F
4 PM
37°F
10%
13mph
S
Sunny
Humidity
76%
Feels like
29°F
Dew Point
30°F
4:41 PM
5 PM
36°F
10%
13mph
SSE
Mostly Clear
Humidity
80%
Feels like
27°F
Dew Point
31°F
6 PM
35°F
10%
14mph
S
Mostly Clear
Humidity
82%
Feels like
26°F
Dew Point
31°F
7 PM
35°F
10%
16mph
S
Mostly Clear
Humidity
81%
Feels like
25°F
Dew Point
30°F
8 PM
35°F
10%
16mph
S
Mostly Clear
Humidity
85%
Feels like
25°F
Dew Point
31°F
9 PM
35°F
10%
15mph
S
Partly Cloudy
Humidity
86%
Feels like
26°F
Dew Point
31°F
10 PM
36°F
0%
15mph
S
Partly Cloudy
Humidity
86%
Feels like
26°F
Dew Point
32°F
11 PM
36°F
0%
14mph
SSW
Partly Cloudy
Humidity
88%
Feels like
27°F
Dew Point
33°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

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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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