Hourly Weather Forecast - Granite City, IL

12 AM
67°F
60%
12mph
NNE
60% Chance Rain Showers
Humidity
52%
Feels like
67°F
Dew Point
48°F
1 AM
64°F
60%
10mph
NNE
60% Chance Rain Showers
Humidity
51%
Feels like
64°F
Dew Point
46°F
2 AM
62°F
50%
9mph
NNE
50% Chance Rain Showers
Humidity
49%
Feels like
62°F
Dew Point
43°F
3 AM
61°F
50%
9mph
NNE
50% Chance Rain Showers
Humidity
49%
Feels like
61°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?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide