Hourly Weather Forecast - Dennison, IL

6 AM
29°F
0%
13mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
19°F
Dew Point
22°F
6:58 AM
7 AM
31°F
0%
14mph
SSW
Mostly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
23°F
8 AM
33°F
0%
15mph
SSW
Partly Cloudy
Humidity
72%
Feels like
23°F
Dew Point
25°F
9 AM
35°F
0%
15mph
SSW
Mostly Sunny
Humidity
73%
Feels like
25°F
Dew Point
27°F
10 AM
36°F
0%
15mph
SSW
Mostly Sunny
Humidity
72%
Feels like
27°F
Dew Point
28°F
11 AM
38°F
0%
15mph
SW
Sunny
Humidity
71%
Feels like
30°F
Dew Point
30°F
12 PM
40°F
0%
15mph
SW
Mostly Sunny
Humidity
70%
Feels like
32°F
Dew Point
31°F
1 PM
41°F
0%
15mph
SW
Partly Cloudy
Humidity
71%
Feels like
33°F
Dew Point
32°F
2 PM
41°F
0%
14mph
SSW
Partly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
33°F
3 PM
40°F
0%
14mph
SSW
Partly Cloudy
Humidity
77%
Feels like
32°F
Dew Point
33°F
4 PM
38°F
0%
13mph
SSW
Mostly Cloudy
Humidity
81%
Feels like
30°F
Dew Point
33°F
4:26 PM
5 PM
37°F
10%
13mph
S
Cloudy
Humidity
85%
Feels like
28°F
Dew Point
33°F
6 PM
37°F
10%
14mph
S
Partly Cloudy
Humidity
85%
Feels like
28°F
Dew Point
33°F
7 PM
38°F
10%
15mph
SSW
Cloudy
Humidity
84%
Feels like
29°F
Dew Point
33°F
8 PM
38°F
10%
16mph
SSW
Cloudy
Humidity
83%
Feels like
29°F
Dew Point
33°F
9 PM
39°F
10%
18mph
SSW
Cloudy
Humidity
82%
Feels like
29°F
Dew Point
34°F
10 PM
39°F
20%
18mph
SSW
Cloudy
Humidity
82%
Feels like
30°F
Dew Point
34°F
11 PM
39°F
20%
19mph
SSW
Cloudy
Humidity
82%
Feels like
30°F
Dew Point
34°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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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide