Hourly Weather Forecast - Harrisburg, IL

12 AM
69°F
40%
6mph
NNW
40% Chance of Light Rain
Humidity
56%
Feels like
69°F
Dew Point
53°F
1 AM
69°F
40%
6mph
N
40% Chance of Light Rain
Humidity
56%
Feels like
69°F
Dew Point
52°F
2 AM
66°F
50%
6mph
N
50% Chance of Light Rain
Humidity
55%
Feels like
66°F
Dew Point
50°F
3 AM
63°F
50%
7mph
NNE
50% Chance of Light Rain
Humidity
56%
Feels like
63°F
Dew Point
47°F
4 AM
60°F
50%
7mph
NNE
50% Chance of Light Rain
Humidity
57%
Feels like
60°F
Dew Point
45°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

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

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

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

When Does Spring Begin?

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