Hourly Weather Forecast - Castleton, IL

7:12 AM
8 AM
28°F
0%
12mph
SW
Partly Cloudy
Humidity
91%
Feels like
18°F
Dew Point
26°F
9 AM
29°F
0%
12mph
SW
Partly Cloudy
Humidity
93%
Feels like
19°F
Dew Point
27°F
10 AM
31°F
0%
11mph
SW
Partly Cloudy
Humidity
93%
Feels like
21°F
Dew Point
29°F
11 AM
32°F
0%
11mph
SW
Partly Cloudy
Humidity
93%
Feels like
24°F
Dew Point
30°F
12 PM
34°F
0%
11mph
SW
Cloudy
Humidity
92%
Feels like
25°F
Dew Point
32°F
1 PM
35°F
0%
10mph
SW
Mostly Cloudy
Humidity
92%
Feels like
27°F
Dew Point
32°F
2 PM
35°F
10%
10mph
SSW
Mostly Cloudy
Humidity
92%
Feels like
27°F
Dew Point
33°F
3 PM
35°F
10%
11mph
SSW
Mostly Cloudy
Humidity
92%
Feels like
27°F
Dew Point
33°F
4 PM
35°F
10%
11mph
S
Cloudy
Humidity
92%
Feels like
27°F
Dew Point
33°F
4:30 PM
5 PM
35°F
10%
12mph
S
Cloudy
Humidity
92%
Feels like
27°F
Dew Point
33°F
6 PM
35°F
20%
13mph
S
Cloudy
Humidity
92%
Feels like
27°F
Dew Point
33°F
7 PM
36°F
30%
15mph
SSW
30% Chance of Light Rain
Humidity
91%
Feels like
27°F
Dew Point
34°F
8 PM
37°F
40%
18mph
SSW
40% Chance of Light Rain
Humidity
90%
Feels like
27°F
Dew Point
34°F
9 PM
38°F
30%
20mph
SW
30% Chance of Light Rain
Humidity
89%
Feels like
28°F
Dew Point
35°F
10 PM
38°F
30%
20mph
SW
30% Chance of Light Rain
Humidity
88%
Feels like
28°F
Dew Point
35°F
11 PM
39°F
30%
21mph
WSW
30% Chance of Light Rain
Humidity
87%
Feels like
29°F
Dew Point
35°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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide