Hourly Weather Forecast - Dennison, IL

12 AM
49°F
10%
9mph
SSE
Clear
Humidity
61%
Feels like
45°F
Dew Point
36°F
1 AM
49°F
10%
9mph
S
Clear
Humidity
63%
Feels like
45°F
Dew Point
37°F
2 AM
49°F
10%
9mph
S
Clear
Humidity
65%
Feels like
45°F
Dew Point
38°F
3 AM
49°F
10%
9mph
S
Clear
Humidity
66%
Feels like
45°F
Dew Point
39°F
4 AM
50°F
10%
10mph
S
Clear
Humidity
67%
Feels like
46°F
Dew Point
39°F
5 AM
50°F
10%
10mph
S
Clear
Humidity
68%
Feels like
46°F
Dew Point
40°F
6 AM
50°F
10%
10mph
S
Clear
Humidity
70%
Feels like
50°F
Dew Point
40°F
6:44 AM
7 AM
52°F
10%
11mph
S
Sunny
Humidity
69%
Feels like
52°F
Dew Point
42°F
8 AM
55°F
10%
12mph
S
Mostly Sunny
Humidity
66%
Feels like
55°F
Dew Point
44°F
9 AM
59°F
10%
13mph
SSW
Partly Cloudy
Humidity
62%
Feels like
59°F
Dew Point
46°F
10 AM
63°F
10%
14mph
SSW
Partly Cloudy
Humidity
60%
Feels like
63°F
Dew Point
48°F
11 AM
67°F
10%
15mph
SSW
Mostly Cloudy
Humidity
56%
Feels like
67°F
Dew Point
51°F
12 PM
71°F
10%
16mph
SW
Mostly Cloudy
Humidity
53%
Feels like
71°F
Dew Point
53°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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