Hourly Weather Forecast - Dundas, IL

4 AM
28°F
0%
11mph
S
Mostly Cloudy
Humidity
80%
Feels like
18°F
Dew Point
23°F
5 AM
29°F
0%
13mph
S
Mostly Cloudy
Humidity
81%
Feels like
18°F
Dew Point
23°F
6 AM
29°F
0%
14mph
SSW
Cloudy
Humidity
82%
Feels like
19°F
Dew Point
24°F
6:58 AM
7 AM
30°F
0%
15mph
SSW
Mostly Cloudy
Humidity
82%
Feels like
20°F
Dew Point
26°F
8 AM
32°F
0%
15mph
SSW
Partly Cloudy
Humidity
83%
Feels like
21°F
Dew Point
27°F
9 AM
34°F
0%
15mph
SSW
Partly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
29°F
10 AM
37°F
0%
16mph
SSW
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
30°F
11 AM
40°F
0%
16mph
SW
Sunny
Humidity
72%
Feels like
31°F
Dew Point
32°F
12 PM
43°F
0%
16mph
SW
Mostly Sunny
Humidity
68%
Feels like
35°F
Dew Point
33°F
1 PM
44°F
0%
15mph
SW
Partly Cloudy
Humidity
67%
Feels like
37°F
Dew Point
34°F
2 PM
45°F
0%
15mph
SSW
Partly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
34°F
3 PM
44°F
0%
15mph
SSW
Partly Cloudy
Humidity
69%
Feels like
38°F
Dew Point
35°F
4 PM
44°F
0%
15mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
36°F
Dew Point
35°F
4:30 PM
5 PM
42°F
10%
15mph
S
Mostly Cloudy
Humidity
76%
Feels like
34°F
Dew Point
35°F
6 PM
41°F
10%
16mph
S
Mostly Cloudy
Humidity
79%
Feels like
33°F
Dew Point
35°F
7 PM
41°F
10%
17mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
32°F
Dew Point
35°F
8 PM
41°F
10%
18mph
SSW
Cloudy
Humidity
80%
Feels like
32°F
Dew Point
35°F
9 PM
41°F
10%
19mph
SSW
Cloudy
Humidity
80%
Feels like
32°F
Dew Point
35°F
10 PM
41°F
10%
20mph
SSW
Cloudy
Humidity
80%
Feels like
32°F
Dew Point
36°F
11 PM
42°F
10%
21mph
SW
Windy
Humidity
79%
Feels like
33°F
Dew Point
36°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts 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

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide