Hourly Weather Forecast - Mason City, IL

12 AM
29°F
0%
6mph
SSE
Partly Cloudy
Humidity
58%
Feels like
23°F
Dew Point
17°F
1 AM
30°F
0%
6mph
SSE
Partly Cloudy
Humidity
60%
Feels like
23°F
Dew Point
18°F
2 AM
30°F
0%
7mph
SSE
Mostly Cloudy
Humidity
63%
Feels like
23°F
Dew Point
19°F
3 AM
30°F
10%
7mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
23°F
Dew Point
20°F
4 AM
29°F
10%
7mph
SSE
Mostly Cloudy
Humidity
69%
Feels like
22°F
Dew Point
21°F
5 AM
29°F
30%
7mph
SSE
30 % Chance of Heavy Snow
Humidity
72%
Feels like
22°F
Dew Point
21°F
6 AM
30°F
30%
8mph
SSE
30 % Chance of Heavy Snow
Humidity
72%
Feels like
22°F
Dew Point
22°F
7 AM
30°F
20%
8mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
23°F
Dew Point
22°F
7:18 AM
8 AM
32°F
20%
8mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
25°F
Dew Point
22°F
9 AM
34°F
10%
9mph
SSE
Partly Cloudy
Humidity
62%
Feels like
27°F
Dew Point
22°F
10 AM
36°F
10%
9mph
SSE
Partly Cloudy
Humidity
56%
Feels like
30°F
Dew Point
22°F
11 AM
39°F
10%
9mph
S
Partly Cloudy
Humidity
50%
Feels like
33°F
Dew Point
22°F
12 PM
41°F
10%
10mph
S
Partly Cloudy
Humidity
47%
Feels like
35°F
Dew Point
22°F
1 PM
43°F
10%
10mph
S
Partly Cloudy
Humidity
46%
Feels like
37°F
Dew Point
23°F
2 PM
43°F
0%
10mph
SSE
Mostly Sunny
Humidity
47%
Feels like
38°F
Dew Point
24°F
3 PM
43°F
0%
10mph
SSE
Mostly Sunny
Humidity
50%
Feels like
37°F
Dew Point
26°F
4 PM
42°F
0%
9mph
SSE
Mostly Sunny
Humidity
53%
Feels like
36°F
Dew Point
26°F
4:36 PM
5 PM
41°F
0%
9mph
S
Partly Cloudy
Humidity
58%
Feels like
35°F
Dew Point
27°F
6 PM
40°F
0%
8mph
S
Mostly Cloudy
Humidity
61%
Feels like
34°F
Dew Point
27°F
7 PM
39°F
0%
9mph
S
Mostly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
28°F
8 PM
38°F
0%
9mph
S
Partly Cloudy
Humidity
64%
Feels like
32°F
Dew Point
28°F
9 PM
38°F
0%
9mph
S
Partly Cloudy
Humidity
66%
Feels like
32°F
Dew Point
28°F
10 PM
38°F
0%
9mph
S
Mostly Clear
Humidity
67%
Feels like
32°F
Dew Point
28°F
11 PM
39°F
0%
9mph
S
Clear
Humidity
69%
Feels like
32°F
Dew Point
29°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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