Hourly Weather Forecast - Mason City, IA

12 AM
9°F
0%
21mph
S
Windy
Humidity
70%
Feels like
-10°F
Dew Point
1°F
1 AM
10°F
0%
20mph
SSW
Windy
Humidity
71%
Feels like
-9°F
Dew Point
3°F
2 AM
11°F
0%
20mph
SSW
Partly Cloudy
Humidity
73%
Feels like
-8°F
Dew Point
4°F
3 AM
12°F
0%
19mph
SSW
Partly Cloudy
Humidity
75%
Feels like
-6°F
Dew Point
5°F
4 AM
13°F
0%
17mph
SSW
Partly Cloudy
Humidity
75%
Feels like
-4°F
Dew Point
7°F
5 AM
14°F
0%
16mph
SW
Partly Cloudy
Humidity
77%
Feels like
-2°F
Dew Point
8°F
6 AM
15°F
0%
15mph
SW
Partly Cloudy
Humidity
79%
Feels like
0°F
Dew Point
10°F
7 AM
16°F
0%
14mph
SW
Cloudy
Humidity
80%
Feels like
2°F
Dew Point
11°F
7:37 AM
8 AM
18°F
0%
13mph
SW
Mostly Cloudy
Humidity
81%
Feels like
5°F
Dew Point
13°F
9 AM
20°F
0%
12mph
SW
Mostly Cloudy
Humidity
81%
Feels like
8°F
Dew Point
15°F
10 AM
22°F
0%
12mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
10°F
Dew Point
17°F
11 AM
24°F
0%
11mph
WSW
Cloudy
Humidity
82%
Feels like
13°F
Dew Point
19°F
12 PM
25°F
0%
11mph
WSW
Cloudy
Humidity
83%
Feels like
14°F
Dew Point
20°F
1 PM
26°F
0%
10mph
W
Mostly Cloudy
Humidity
84%
Feels like
16°F
Dew Point
22°F
2 PM
26°F
0%
9mph
W
Partly Cloudy
Humidity
86%
Feels like
17°F
Dew Point
22°F
3 PM
26°F
0%
8mph
W
Partly Cloudy
Humidity
87%
Feels like
17°F
Dew Point
22°F
4 PM
25°F
0%
7mph
W
Partly Cloudy
Humidity
89%
Feels like
17°F
Dew Point
22°F
4:38 PM
5 PM
24°F
0%
6mph
W
Partly Cloudy
Humidity
90%
Feels like
16°F
Dew Point
21°F
6 PM
22°F
0%
6mph
W
Hazy
Humidity
91%
Feels like
15°F
Dew Point
20°F
7 PM
21°F
0%
6mph
WSW
Hazy
Humidity
92%
Feels like
14°F
Dew Point
19°F
8 PM
20°F
0%
5mph
WSW
Hazy
Humidity
92%
Feels like
12°F
Dew Point
18°F
9 PM
19°F
0%
5mph
WSW
Hazy
Humidity
93%
Feels like
11°F
Dew Point
17°F
10 PM
18°F
0%
5mph
SW
Hazy
Humidity
92%
Feels like
11°F
Dew Point
16°F
11 PM
18°F
0%
6mph
SW
Hazy
Humidity
92%
Feels like
10°F
Dew Point
16°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

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

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