Hourly Weather Forecast - Mason City, IL

12 AM
39°F
0%
9mph
SSW
Clear
Humidity
72%
Feels like
33°F
Dew Point
31°F
1 AM
39°F
0%
9mph
SSW
Clear
Humidity
77%
Feels like
33°F
Dew Point
32°F
2 AM
39°F
0%
9mph
SSW
Mostly Clear
Humidity
82%
Feels like
33°F
Dew Point
34°F
3 AM
39°F
0%
8mph
SSW
Mostly Clear
Humidity
88%
Feels like
33°F
Dew Point
35°F
4 AM
38°F
10%
8mph
SSW
Hazy
Humidity
94%
Feels like
33°F
Dew Point
37°F
5 AM
38°F
10%
8mph
SSW
Hazy
Humidity
98%
Feels like
33°F
Dew Point
38°F
6 AM
39°F
0%
7mph
SSW
Foggy
Humidity
100%
Feels like
34°F
Dew Point
39°F
7 AM
40°F
0%
7mph
SSW
Foggy
Humidity
100%
Feels like
35°F
Dew Point
40°F
7:18 AM
8 AM
42°F
10%
7mph
SSW
Foggy
Humidity
99%
Feels like
37°F
Dew Point
42°F
9 AM
44°F
10%
7mph
SSW
Partly Cloudy
Humidity
94%
Feels like
40°F
Dew Point
42°F
10 AM
46°F
20%
8mph
SW
Partly Cloudy
Humidity
88%
Feels like
42°F
Dew Point
43°F
11 AM
49°F
30%
8mph
SW
30% Chance Rain Showers
Humidity
80%
Feels like
46°F
Dew Point
43°F
12 PM
51°F
20%
9mph
SW
Mostly Cloudy
Humidity
76%
Feels like
51°F
Dew Point
44°F
1 PM
53°F
10%
8mph
SW
Mostly Cloudy
Humidity
73%
Feels like
53°F
Dew Point
44°F
2 PM
53°F
10%
7mph
SW
Mostly Cloudy
Humidity
72%
Feels like
53°F
Dew Point
45°F
3 PM
53°F
0%
6mph
WSW
Partly Cloudy
Humidity
74%
Feels like
53°F
Dew Point
45°F
4 PM
51°F
10%
6mph
WSW
Partly Cloudy
Humidity
78%
Feels like
51°F
Dew Point
45°F
4:37 PM
5 PM
49°F
10%
5mph
WSW
Partly Cloudy
Humidity
83%
Feels like
47°F
Dew Point
44°F
6 PM
47°F
10%
4mph
SW
Partly Cloudy
Humidity
87%
Feels like
45°F
Dew Point
43°F
7 PM
46°F
10%
3mph
SSW
Partly Cloudy
Humidity
89%
Feels like
46°F
Dew Point
42°F
8 PM
44°F
10%
3mph
SSE
Partly Cloudy
Humidity
90%
Feels like
43°F
Dew Point
41°F
9 PM
43°F
10%
4mph
SE
Partly Cloudy
Humidity
89%
Feels like
41°F
Dew Point
40°F
10 PM
42°F
10%
4mph
SE
Partly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
38°F
11 PM
41°F
10%
4mph
SE
Partly Cloudy
Humidity
85%
Feels like
39°F
Dew Point
37°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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