Hourly Weather Forecast - Fullerton, IL

12 AM
31°F
10%
8mph
SW
Mostly Cloudy
Humidity
89%
Feels like
24°F
Dew Point
29°F
1 AM
31°F
10%
8mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
24°F
Dew Point
29°F
2 AM
31°F
10%
9mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
23°F
Dew Point
28°F
3 AM
30°F
10%
9mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
22°F
Dew Point
28°F
4 AM
29°F
10%
9mph
W
Mostly Cloudy
Humidity
92%
Feels like
21°F
Dew Point
28°F
5 AM
29°F
10%
9mph
W
Mostly Cloudy
Humidity
92%
Feels like
21°F
Dew Point
27°F
6 AM
29°F
10%
9mph
W
Mostly Cloudy
Humidity
89%
Feels like
20°F
Dew Point
26°F

Tuesday's Weather Outlook

Today's Weather Outlook

Old Man Winter delivers plenty of cold and snow to the eastern third of the U.S. today.

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide