Hourly Weather Forecast - Decatur, IL

10 AM
36°F
0%
15mph
SW
Mostly Sunny
Humidity
77%
Feels like
27°F
Dew Point
29°F
11 AM
37°F
0%
15mph
SW
Partly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
30°F
12 PM
38°F
0%
14mph
SW
Mostly Cloudy
Humidity
74%
Feels like
30°F
Dew Point
31°F
1 PM
39°F
0%
14mph
SW
Partly Cloudy
Humidity
72%
Feels like
31°F
Dew Point
31°F
2 PM
40°F
10%
13mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
31°F
3 PM
39°F
10%
13mph
SSW
Partly Cloudy
Humidity
72%
Feels like
31°F
Dew Point
31°F
4 PM
38°F
10%
14mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
31°F
4:30 PM
5 PM
38°F
10%
16mph
S
Mostly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
32°F
6 PM
38°F
10%
18mph
S
Mostly Cloudy
Humidity
79%
Feels like
28°F
Dew Point
32°F
7 PM
38°F
10%
19mph
SSW
Partly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
32°F
8 PM
39°F
10%
20mph
SSW
Windy
Humidity
80%
Feels like
29°F
Dew Point
33°F
9 PM
39°F
10%
21mph
SSW
Windy
Humidity
77%
Feels like
29°F
Dew Point
33°F
10 PM
40°F
10%
21mph
SW
Windy
Humidity
77%
Feels like
30°F
Dew Point
33°F
11 PM
40°F
30%
21mph
SW
30% Chance of Light Rain
Humidity
77%
Feels like
30°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