Hourly Weather Forecast - Castleton, IL

12 AM
28°F
0%
9mph
WNW
Clear
Humidity
68%
Feels like
18°F
Dew Point
18°F
1 AM
26°F
0%
9mph
WNW
Clear
Humidity
67%
Feels like
17°F
Dew Point
17°F
2 AM
25°F
0%
9mph
WNW
Clear
Humidity
67%
Feels like
16°F
Dew Point
16°F
3 AM
24°F
0%
9mph
WNW
Clear
Humidity
67%
Feels like
14°F
Dew Point
15°F
4 AM
22°F
0%
9mph
NW
Clear
Humidity
67%
Feels like
12°F
Dew Point
13°F
5 AM
21°F
0%
8mph
NW
Clear
Humidity
67%
Feels like
11°F
Dew Point
12°F
6 AM
20°F
0%
8mph
NW
Clear
Humidity
66%
Feels like
11°F
Dew Point
11°F
7 AM
20°F
0%
7mph
NW
Clear
Humidity
64%
Feels like
11°F
Dew Point
10°F
7:20 AM
8 AM
20°F
0%
6mph
NW
Sunny
Humidity
64%
Feels like
12°F
Dew Point
10°F
9 AM
22°F
0%
6mph
NW
Sunny
Humidity
62%
Feels like
14°F
Dew Point
11°F
10 AM
24°F
0%
6mph
NW
Sunny
Humidity
58%
Feels like
17°F
Dew Point
11°F
11 AM
26°F
0%
5mph
NW
Sunny
Humidity
54%
Feels like
20°F
Dew Point
11°F
12 PM
28°F
0%
5mph
WNW
Sunny
Humidity
49%
Feels like
23°F
Dew Point
11°F
1 PM
29°F
0%
4mph
WNW
Sunny
Humidity
47%
Feels like
24°F
Dew Point
11°F
2 PM
30°F
0%
4mph
WNW
Sunny
Humidity
45%
Feels like
26°F
Dew Point
11°F
3 PM
31°F
0%
3mph
W
Sunny
Humidity
44%
Feels like
31°F
Dew Point
11°F
4 PM
30°F
0%
2mph
WSW
Sunny
Humidity
47%
Feels like
30°F
Dew Point
12°F
4:33 PM
5 PM
28°F
0%
2mph
S
Clear
Humidity
51%
Feels like
28°F
Dew Point
12°F
6 PM
27°F
0%
4mph
SSE
Clear
Humidity
54%
Feels like
22°F
Dew Point
13°F
7 PM
27°F
0%
5mph
SSE
Mostly Clear
Humidity
56%
Feels like
21°F
Dew Point
13°F
8 PM
27°F
0%
5mph
SSE
Partly Cloudy
Humidity
56%
Feels like
21°F
Dew Point
13°F
9 PM
27°F
0%
6mph
SSE
Mostly Cloudy
Humidity
56%
Feels like
21°F
Dew Point
13°F
10 PM
27°F
0%
6mph
SSE
Mostly Cloudy
Humidity
56%
Feels like
21°F
Dew Point
14°F
11 PM
28°F
0%
6mph
SSE
Mostly Cloudy
Humidity
57%
Feels like
21°F
Dew Point
14°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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