Hourly Weather Forecast - Decatur, IL

12 AM
22°F
0%
8mph
NNE
Clear
Humidity
80%
Feels like
13°F
Dew Point
17°F
1 AM
22°F
0%
8mph
NNE
Mostly Clear
Humidity
80%
Feels like
13°F
Dew Point
17°F
2 AM
22°F
0%
8mph
NNE
Mostly Clear
Humidity
80%
Feels like
13°F
Dew Point
17°F
3 AM
22°F
0%
8mph
NNE
Mostly Clear
Humidity
79%
Feels like
13°F
Dew Point
17°F
4 AM
23°F
0%
8mph
NNE
Mostly Clear
Humidity
77%
Feels like
14°F
Dew Point
17°F
5 AM
23°F
0%
8mph
NNE
Mostly Clear
Humidity
75%
Feels like
14°F
Dew Point
16°F
6 AM
23°F
0%
8mph
NNE
Partly Cloudy
Humidity
73%
Feels like
14°F
Dew Point
15°F
7 AM
23°F
0%
8mph
NNE
Mostly Clear
Humidity
70%
Feels like
14°F
Dew Point
15°F
7:17 AM
8 AM
25°F
0%
8mph
NNE
Sunny
Humidity
65%
Feels like
16°F
Dew Point
15°F
9 AM
27°F
0%
8mph
NE
Sunny
Humidity
59%
Feels like
19°F
Dew Point
14°F
10 AM
29°F
0%
7mph
NNE
Partly Cloudy
Humidity
54%
Feels like
21°F
Dew Point
14°F
11 AM
31°F
0%
7mph
N
Mostly Cloudy
Humidity
49%
Feels like
24°F
Dew Point
14°F
12 PM
32°F
0%
6mph
N
Cloudy
Humidity
46%
Feels like
27°F
Dew Point
14°F
1 PM
33°F
0%
6mph
N
Mostly Cloudy
Humidity
45%
Feels like
28°F
Dew Point
14°F
2 PM
33°F
0%
6mph
NNW
Partly Cloudy
Humidity
46%
Feels like
28°F
Dew Point
15°F
3 PM
32°F
0%
6mph
NNW
Mostly Sunny
Humidity
49%
Feels like
26°F
Dew Point
15°F
4 PM
30°F
0%
6mph
NNW
Mostly Sunny
Humidity
54%
Feels like
24°F
Dew Point
15°F
4:43 PM
5 PM
28°F
0%
6mph
N
Mostly Clear
Humidity
60%
Feels like
21°F
Dew Point
16°F
6 PM
26°F
0%
6mph
N
Clear
Humidity
63%
Feels like
20°F
Dew Point
16°F
7 PM
26°F
0%
6mph
N
Clear
Humidity
65%
Feels like
19°F
Dew Point
15°F
8 PM
25°F
0%
5mph
N
Clear
Humidity
64%
Feels like
19°F
Dew Point
15°F
9 PM
25°F
0%
5mph
N
Clear
Humidity
64%
Feels like
19°F
Dew Point
15°F
10 PM
25°F
0%
5mph
NNW
Clear
Humidity
65%
Feels like
18°F
Dew Point
15°F
11 PM
24°F
0%
6mph
NNW
Clear
Humidity
68%
Feels like
17°F
Dew Point
15°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

After an overall quieter day of weather on Tuesday, Mother Nature brings a soggy, snowy forecast.

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