Hourly Weather Forecast - Mason, IL

11 AM
39°F
0%
13mph
SSW
Sunny
Humidity
71%
Feels like
31°F
Dew Point
30°F
12 PM
41°F
0%
13mph
SSW
Mostly Sunny
Humidity
69%
Feels like
34°F
Dew Point
32°F
1 PM
42°F
0%
13mph
SSW
Partly Cloudy
Humidity
65%
Feels like
36°F
Dew Point
31°F
2 PM
43°F
0%
13mph
SSW
Partly Cloudy
Humidity
65%
Feels like
36°F
Dew Point
32°F
3 PM
43°F
0%
13mph
SSW
Partly Cloudy
Humidity
64%
Feels like
36°F
Dew Point
32°F
4 PM
42°F
0%
13mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
35°F
Dew Point
31°F
4:32 PM
5 PM
41°F
0%
14mph
S
Mostly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
31°F
6 PM
40°F
10%
15mph
S
Cloudy
Humidity
69%
Feels like
32°F
Dew Point
31°F
7 PM
40°F
10%
15mph
SSW
Cloudy
Humidity
70%
Feels like
32°F
Dew Point
31°F
8 PM
41°F
10%
17mph
SSW
Cloudy
Humidity
72%
Feels like
32°F
Dew Point
33°F
9 PM
41°F
10%
17mph
SSW
Cloudy
Humidity
73%
Feels like
33°F
Dew Point
33°F
10 PM
42°F
10%
18mph
SSW
Cloudy
Humidity
73%
Feels like
34°F
Dew Point
34°F
11 PM
42°F
10%
18mph
SW
Cloudy
Humidity
71%
Feels like
34°F
Dew Point
33°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

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