Hourly Weather Forecast - Markham, IL

12 AM
42°F
30%
5mph
S
30% Chance of Light Rain
Humidity
76%
Feels like
39°F
Dew Point
35°F
1 AM
42°F
20%
5mph
S
Mostly Cloudy
Humidity
78%
Feels like
38°F
Dew Point
35°F
2 AM
41°F
20%
6mph
S
Mostly Cloudy
Humidity
78%
Feels like
37°F
Dew Point
35°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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