Hourly Weather Forecast - Castleton, IL

12 AM
51°F
10%
10mph
SSE
Partly Cloudy
Humidity
61%
Feels like
51°F
Dew Point
38°F
1 AM
50°F
10%
10mph
S
Mostly Cloudy
Humidity
64%
Feels like
50°F
Dew Point
38°F
2 AM
49°F
10%
11mph
S
Partly Cloudy
Humidity
65%
Feels like
45°F
Dew Point
38°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today'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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