Hourly Weather Forecast - Castleton, IL

12 AM
41°F
0%
5mph
SE
Mostly Cloudy
Humidity
59%
Feels like
38°F
Dew Point
28°F
1 AM
41°F
0%
5mph
SE
Mostly Cloudy
Humidity
59%
Feels like
38°F
Dew Point
28°F
2 AM
41°F
0%
6mph
SSE
Mostly Cloudy
Humidity
58%
Feels like
37°F
Dew Point
28°F
3 AM
41°F
0%
6mph
SSE
Partly Cloudy
Humidity
57%
Feels like
37°F
Dew Point
27°F
4 AM
41°F
0%
6mph
SSE
Partly Cloudy
Humidity
57%
Feels like
37°F
Dew Point
27°F
5 AM
41°F
0%
6mph
S
Mostly Clear
Humidity
56%
Feels like
37°F
Dew Point
27°F
6 AM
42°F
0%
6mph
S
Clear
Humidity
55%
Feels like
38°F
Dew Point
27°F
6:55 AM
7 AM
43°F
0%
6mph
S
Sunny
Humidity
53%
Feels like
39°F
Dew Point
27°F
8 AM
45°F
0%
7mph
S
Mostly Sunny
Humidity
50%
Feels like
41°F
Dew Point
28°F
9 AM
48°F
10%
9mph
S
Partly Cloudy
Humidity
47%
Feels like
44°F
Dew Point
29°F
10 AM
51°F
10%
9mph
S
Partly Cloudy
Humidity
44%
Feels like
51°F
Dew Point
30°F
11 AM
54°F
10%
10mph
SSW
Mostly Cloudy
Humidity
41%
Feels like
54°F
Dew Point
31°F
12 PM
57°F
10%
10mph
SSW
Cloudy
Humidity
38%
Feels like
57°F
Dew Point
32°F
1 PM
58°F
10%
10mph
SSW
Cloudy
Humidity
37%
Feels like
58°F
Dew Point
32°F
2 PM
60°F
10%
9mph
SW
Cloudy
Humidity
36%
Feels like
60°F
Dew Point
33°F
3 PM
60°F
10%
9mph
SW
Mostly Cloudy
Humidity
36%
Feels like
60°F
Dew Point
33°F
4 PM
59°F
10%
8mph
SW
Mostly Cloudy
Humidity
37%
Feels like
59°F
Dew Point
33°F
5 PM
58°F
10%
6mph
SW
Partly Cloudy
Humidity
39%
Feels like
58°F
Dew Point
33°F
6 PM
56°F
10%
5mph
SSW
Partly Cloudy
Humidity
42%
Feels like
56°F
Dew Point
34°F
7 PM
55°F
10%
5mph
S
Mostly Sunny
Humidity
45%
Feels like
55°F
Dew Point
34°F
7:15 PM
8 PM
52°F
20%
4mph
SSE
Mostly Clear
Humidity
49%
Feels like
52°F
Dew Point
33°F
9 PM
50°F
30%
4mph
SE
30% Chance Rain Showers
Humidity
52%
Feels like
50°F
Dew Point
33°F
10 PM
48°F
30%
5mph
ESE
30% Chance Rain Showers
Humidity
55%
Feels like
46°F
Dew Point
33°F
11 PM
47°F
20%
5mph
ESE
Mostly Clear
Humidity
57%
Feels like
44°F
Dew Point
32°F

Today's High Temperature Outlook

Summer-Like Heat Scorches the Southwest

The calendar may stay it's only March, but it will feel like Summer across the Southwest over the next several days.

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

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

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

When Does Spring Begin?

(Image provided by Pixabay.com)

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