Hourly Weather Forecast - Johnston City, IL

12 AM
73°F
50%
13mph
NNW
50% Chance Rain Showers
Humidity
51%
Feels like
73°F
Dew Point
53°F
1 AM
70°F
50%
12mph
N
50% Chance Rain Showers
Humidity
55%
Feels like
70°F
Dew Point
53°F
2 AM
67°F
50%
12mph
N
50% Chance Rain Showers
Humidity
57%
Feels like
67°F
Dew Point
51°F
3 AM
64°F
50%
12mph
NNE
50% Chance Rain Showers
Humidity
54%
Feels like
64°F
Dew Point
47°F
4 AM
62°F
50%
12mph
NNE
50% Chance Rain Showers
Humidity
51%
Feels like
62°F
Dew Point
43°F
5 AM
59°F
60%
12mph
NNE
60% Chance Rain Showers
Humidity
51%
Feels like
59°F
Dew Point
41°F
6 AM
57°F
60%
13mph
NNE
60% Chance of Light Rain
Humidity
56%
Feels like
57°F
Dew Point
42°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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