Hourly Weather Forecast - Castleton, IL

12 AM
28°F
0%
15mph
S
Partly Cloudy
Humidity
65%
Feels like
16°F
Dew Point
18°F
1 AM
29°F
0%
16mph
S
Partly Cloudy
Humidity
64%
Feels like
17°F
Dew Point
18°F
2 AM
30°F
0%
16mph
S
Partly Cloudy
Humidity
63%
Feels like
18°F
Dew Point
19°F
3 AM
31°F
0%
17mph
S
Partly Cloudy
Humidity
62%
Feels like
19°F
Dew Point
19°F
4 AM
31°F
0%
16mph
S
Partly Cloudy
Humidity
62%
Feels like
20°F
Dew Point
20°F
5 AM
32°F
0%
16mph
S
Mostly Clear
Humidity
62%
Feels like
21°F
Dew Point
20°F
6 AM
32°F
0%
15mph
S
Partly Cloudy
Humidity
63%
Feels like
22°F
Dew Point
21°F
7 AM
33°F
0%
14mph
SSW
Partly Cloudy
Humidity
63%
Feels like
23°F
Dew Point
22°F
7:20 AM
8 AM
34°F
0%
13mph
SSW
Partly Cloudy
Humidity
64%
Feels like
25°F
Dew Point
24°F
9 AM
36°F
0%
13mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
27°F
Dew Point
25°F
10 AM
37°F
0%
13mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
29°F
Dew Point
26°F
11 AM
39°F
0%
13mph
SW
Cloudy
Humidity
61%
Feels like
32°F
Dew Point
27°F
12 PM
40°F
0%
12mph
SW
Cloudy
Humidity
60%
Feels like
33°F
Dew Point
28°F
1 PM
41°F
0%
11mph
WSW
Cloudy
Humidity
60%
Feels like
35°F
Dew Point
28°F
2 PM
41°F
0%
10mph
W
Cloudy
Humidity
60%
Feels like
35°F
Dew Point
28°F
3 PM
40°F
10%
11mph
W
Cloudy
Humidity
62%
Feels like
34°F
Dew Point
28°F
4 PM
38°F
10%
10mph
WNW
Mostly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
28°F
4:32 PM
5 PM
36°F
10%
9mph
WNW
Mostly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
28°F
6 PM
34°F
10%
8mph
WNW
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
28°F
7 PM
33°F
10%
8mph
NW
Partly Cloudy
Humidity
79%
Feels like
25°F
Dew Point
27°F
8 PM
32°F
10%
8mph
NW
Partly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
26°F
9 PM
31°F
10%
9mph
NW
Partly Cloudy
Humidity
78%
Feels like
23°F
Dew Point
25°F
10 PM
30°F
10%
9mph
NW
Partly Cloudy
Humidity
76%
Feels like
22°F
Dew Point
23°F
11 PM
29°F
10%
9mph
NW
Mostly Clear
Humidity
74%
Feels like
21°F
Dew Point
22°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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