Hourly Weather Forecast - Mason City, IL

10 AM
52°F
80%
16mph
S
80% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
11 AM
51°F
100%
13mph
SW
Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
12 PM
49°F
90%
17mph
W
Light Rain
Humidity
98%
Feels like
43°F
Dew Point
48°F
1 PM
47°F
50%
15mph
WNW
50% Chance of Rain
Humidity
92%
Feels like
41°F
Dew Point
45°F
2 PM
45°F
30%
13mph
W
30% Chance of Light Rain
Humidity
86%
Feels like
39°F
Dew Point
41°F
3 PM
43°F
30%
11mph
W
30% Chance Rain Showers
Humidity
82%
Feels like
37°F
Dew Point
38°F
4 PM
41°F
30%
11mph
W
30% Chance of Light Rain
Humidity
80%
Feels like
34°F
Dew Point
35°F
4:34 PM
5 PM
38°F
30%
14mph
W
30% Chance of Light Rain
Humidity
79%
Feels like
30°F
Dew Point
32°F
6 PM
35°F
10%
16mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
25°F
Dew Point
29°F
7 PM
32°F
10%
18mph
WNW
Mostly Cloudy
Humidity
73%
Feels like
21°F
Dew Point
24°F
8 PM
29°F
30%
18mph
WNW
30% Chance of Snow
Humidity
68%
Feels like
17°F
Dew Point
20°F
9 PM
26°F
30%
19mph
WNW
30% Chance of Snow
Humidity
64%
Feels like
13°F
Dew Point
16°F
10 PM
24°F
30%
19mph
WNW
30% Chance of Snow
Humidity
60%
Feels like
9°F
Dew Point
12°F
11 PM
22°F
30%
19mph
WNW
30 % Chance of Heavy Snow
Humidity
59%
Feels like
7°F
Dew Point
10°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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