Hourly Weather Forecast - Decatur, IL

12 AM
20°F
0%
6mph
WNW
Partly Cloudy
Humidity
65%
Feels like
12°F
Dew Point
11°F
1 AM
21°F
0%
6mph
WNW
Partly Cloudy
Humidity
65%
Feels like
12°F
Dew Point
11°F
2 AM
21°F
0%
6mph
WNW
Partly Cloudy
Humidity
66%
Feels like
13°F
Dew Point
11°F
3 AM
21°F
0%
6mph
WNW
Partly Cloudy
Humidity
66%
Feels like
13°F
Dew Point
12°F
4 AM
22°F
0%
6mph
WNW
Partly Cloudy
Humidity
66%
Feels like
13°F
Dew Point
12°F
5 AM
22°F
0%
7mph
W
Mostly Clear
Humidity
66%
Feels like
13°F
Dew Point
12°F
6 AM
22°F
0%
7mph
W
Clear
Humidity
66%
Feels like
13°F
Dew Point
12°F
7 AM
22°F
0%
7mph
W
Clear
Humidity
65%
Feels like
13°F
Dew Point
12°F
7:17 AM
8 AM
23°F
0%
8mph
WSW
Sunny
Humidity
63%
Feels like
14°F
Dew Point
12°F
9 AM
25°F
0%
9mph
WSW
Sunny
Humidity
60%
Feels like
16°F
Dew Point
13°F
10 AM
27°F
0%
9mph
WSW
Sunny
Humidity
57%
Feels like
18°F
Dew Point
14°F
11 AM
29°F
0%
9mph
WSW
Sunny
Humidity
54%
Feels like
20°F
Dew Point
15°F
12 PM
30°F
0%
10mph
WSW
Sunny
Humidity
54%
Feels like
22°F
Dew Point
16°F
1 PM
31°F
0%
10mph
WSW
Sunny
Humidity
54%
Feels like
23°F
Dew Point
17°F
2 PM
31°F
0%
10mph
WSW
Sunny
Humidity
55%
Feels like
23°F
Dew Point
17°F
3 PM
31°F
10%
10mph
WSW
Sunny
Humidity
58%
Feels like
22°F
Dew Point
18°F
4 PM
29°F
10%
9mph
SW
Sunny
Humidity
63%
Feels like
21°F
Dew Point
19°F
4:42 PM
5 PM
29°F
10%
9mph
SSW
Clear
Humidity
69%
Feels like
21°F
Dew Point
20°F
6 PM
30°F
10%
9mph
SSW
Mostly Clear
Humidity
70%
Feels like
22°F
Dew Point
21°F
7 PM
31°F
10%
9mph
SSW
Mostly Clear
Humidity
70%
Feels like
23°F
Dew Point
22°F
8 PM
32°F
10%
10mph
SSW
Mostly Clear
Humidity
70%
Feels like
24°F
Dew Point
23°F
9 PM
32°F
10%
10mph
SSW
Partly Cloudy
Humidity
72%
Feels like
24°F
Dew Point
24°F
10 PM
32°F
10%
10mph
SSW
Partly Cloudy
Humidity
73%
Feels like
23°F
Dew Point
24°F
11 PM
31°F
10%
10mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
23°F
Dew Point
24°F

Snow and Ice Forecast Through Monday

Heavy Snow and Icing from Midwest to New England

A winter storm will deliver snow and significant icing from the Midwest to New England.

Today's Weather Outlook

Today's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

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

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

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide