Hourly Weather Forecast - Mason, IL

12 AM
23°F
0%
5mph
SW
Partly Cloudy
Humidity
68%
Feels like
17°F
Dew Point
14°F
1 AM
22°F
0%
4mph
SW
Partly Cloudy
Humidity
70%
Feels like
16°F
Dew Point
14°F
2 AM
22°F
0%
4mph
SW
Partly Cloudy
Humidity
71%
Feels like
16°F
Dew Point
14°F
3 AM
22°F
0%
4mph
SSW
Partly Cloudy
Humidity
73%
Feels like
16°F
Dew Point
14°F
4 AM
21°F
0%
4mph
SSW
Partly Cloudy
Humidity
74%
Feels like
16°F
Dew Point
14°F
5 AM
21°F
0%
4mph
SSW
Partly Cloudy
Humidity
75%
Feels like
15°F
Dew Point
14°F
6 AM
21°F
0%
4mph
SSW
Partly Cloudy
Humidity
75%
Feels like
16°F
Dew Point
15°F
7 AM
23°F
0%
4mph
SSW
Partly Cloudy
Humidity
74%
Feels like
17°F
Dew Point
16°F
7:06 AM
8 AM
25°F
0%
5mph
S
Partly Cloudy
Humidity
76%
Feels like
19°F
Dew Point
19°F
9 AM
28°F
0%
6mph
S
Partly Cloudy
Humidity
74%
Feels like
21°F
Dew Point
21°F
10 AM
31°F
0%
6mph
S
Partly Cloudy
Humidity
73%
Feels like
25°F
Dew Point
23°F
11 AM
34°F
0%
7mph
SSW
Partly Cloudy
Humidity
69%
Feels like
28°F
Dew Point
25°F
12 PM
36°F
0%
7mph
SSW
Mostly Sunny
Humidity
66%
Feels like
31°F
Dew Point
26°F
1 PM
38°F
0%
7mph
SSW
Mostly Sunny
Humidity
62%
Feels like
32°F
Dew Point
26°F
2 PM
39°F
0%
8mph
S
Mostly Sunny
Humidity
59%
Feels like
34°F
Dew Point
26°F
3 PM
39°F
0%
8mph
S
Sunny
Humidity
57%
Feels like
34°F
Dew Point
26°F
4 PM
38°F
0%
8mph
S
Sunny
Humidity
58%
Feels like
32°F
Dew Point
25°F
4:33 PM
5 PM
37°F
0%
8mph
S
Clear
Humidity
60%
Feels like
30°F
Dew Point
24°F
6 PM
35°F
0%
8mph
S
Clear
Humidity
64%
Feels like
29°F
Dew Point
24°F
7 PM
34°F
10%
8mph
S
Clear
Humidity
68%
Feels like
28°F
Dew Point
25°F
8 PM
34°F
10%
8mph
S
Mostly Clear
Humidity
71%
Feels like
27°F
Dew Point
26°F
9 PM
34°F
10%
8mph
SSW
Mostly Clear
Humidity
73%
Feels like
27°F
Dew Point
26°F
10 PM
34°F
10%
9mph
SSW
Mostly Clear
Humidity
74%
Feels like
27°F
Dew Point
27°F
11 PM
34°F
10%
9mph
SSW
Partly Cloudy
Humidity
76%
Feels like
27°F
Dew Point
27°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide