Hourly Weather Forecast - Mason City, IA

12 AM
17°F
10%
5mph
NNE
Mostly Cloudy
Humidity
78%
Feels like
10°F
Dew Point
11°F
1 AM
17°F
10%
4mph
N
Mostly Cloudy
Humidity
77%
Feels like
10°F
Dew Point
11°F
2 AM
17°F
10%
4mph
N
Mostly Cloudy
Humidity
78%
Feels like
10°F
Dew Point
11°F
3 AM
17°F
10%
4mph
N
Mostly Cloudy
Humidity
76%
Feels like
11°F
Dew Point
11°F
4 AM
18°F
10%
4mph
N
Cloudy
Humidity
77%
Feels like
12°F
Dew Point
11°F
5 AM
18°F
0%
4mph
N
Cloudy
Humidity
77%
Feels like
12°F
Dew Point
12°F
6 AM
18°F
10%
4mph
N
Cloudy
Humidity
77%
Feels like
12°F
Dew Point
12°F
7 AM
18°F
10%
3mph
NW
Mostly Cloudy
Humidity
76%
Feels like
13°F
Dew Point
12°F
7:44 AM
8 AM
19°F
10%
3mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
13°F
9 AM
20°F
10%
3mph
SW
Cloudy
Humidity
76%
Feels like
16°F
Dew Point
14°F
10 AM
22°F
10%
4mph
SW
Cloudy
Humidity
74%
Feels like
16°F
Dew Point
15°F
11 AM
23°F
0%
4mph
WSW
Cloudy
Humidity
73%
Feels like
17°F
Dew Point
15°F
12 PM
24°F
0%
5mph
W
Cloudy
Humidity
73%
Feels like
17°F
Dew Point
16°F
1 PM
25°F
0%
6mph
W
Cloudy
Humidity
72%
Feels like
18°F
Dew Point
17°F
2 PM
26°F
0%
6mph
W
Cloudy
Humidity
71%
Feels like
19°F
Dew Point
17°F
3 PM
26°F
0%
6mph
WNW
Mostly Cloudy
Humidity
72%
Feels like
19°F
Dew Point
18°F
4 PM
25°F
0%
6mph
WNW
Mostly Cloudy
Humidity
76%
Feels like
19°F
Dew Point
19°F
4:50 PM
5 PM
25°F
0%
5mph
NW
Mostly Cloudy
Humidity
78%
Feels like
19°F
Dew Point
19°F
6 PM
24°F
0%
4mph
NW
Mostly Cloudy
Humidity
85%
Feels like
20°F
Dew Point
21°F
7 PM
24°F
0%
4mph
NNW
Partly Cloudy
Humidity
86%
Feels like
19°F
Dew Point
20°F
8 PM
23°F
0%
4mph
NNW
Partly Cloudy
Humidity
87%
Feels like
18°F
Dew Point
20°F
9 PM
22°F
0%
4mph
NNW
Partly Cloudy
Humidity
88%
Feels like
17°F
Dew Point
19°F
10 PM
21°F
0%
4mph
NNW
Partly Cloudy
Humidity
89%
Feels like
16°F
Dew Point
18°F
11 PM
20°F
0%
4mph
N
Partly Cloudy
Humidity
89%
Feels like
14°F
Dew Point
18°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Rainfall continues to postpone 2026 fireworks until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide