Hourly Weather Forecast - Decatur, IL

2 AM
50°F
0%
10mph
ENE
Mostly Cloudy
Humidity
78%
Feels like
50°F
Dew Point
43°F
3 AM
49°F
0%
9mph
E
Partly Cloudy
Humidity
78%
Feels like
45°F
Dew Point
42°F
4 AM
47°F
0%
8mph
E
Mostly Clear
Humidity
80%
Feels like
44°F
Dew Point
42°F
5 AM
47°F
0%
8mph
E
Mostly Clear
Humidity
81%
Feels like
43°F
Dew Point
41°F
6 AM
46°F
0%
8mph
E
Partly Cloudy
Humidity
80%
Feels like
43°F
Dew Point
40°F
6:58 AM
7 AM
48°F
0%
8mph
E
Partly Cloudy
Humidity
77%
Feels like
44°F
Dew Point
41°F
8 AM
51°F
0%
8mph
ESE
Mostly Sunny
Humidity
72%
Feels like
51°F
Dew Point
42°F
9 AM
56°F
0%
8mph
ESE
Sunny
Humidity
63%
Feels like
56°F
Dew Point
43°F
10 AM
60°F
0%
8mph
SE
Sunny
Humidity
56%
Feels like
60°F
Dew Point
44°F
11 AM
65°F
0%
8mph
SSE
Sunny
Humidity
50%
Feels like
65°F
Dew Point
46°F
12 PM
69°F
0%
8mph
S
Sunny
Humidity
44%
Feels like
69°F
Dew Point
46°F
1 PM
73°F
0%
9mph
S
Sunny
Humidity
40%
Feels like
73°F
Dew Point
47°F
2 PM
76°F
0%
10mph
SSW
Sunny
Humidity
38%
Feels like
76°F
Dew Point
48°F
3 PM
77°F
0%
10mph
SSW
Sunny
Humidity
36%
Feels like
77°F
Dew Point
48°F
4 PM
78°F
0%
11mph
SW
Sunny
Humidity
35%
Feels like
78°F
Dew Point
48°F
5 PM
76°F
0%
11mph
SSW
Sunny
Humidity
38%
Feels like
76°F
Dew Point
49°F
6 PM
73°F
0%
10mph
SSW
Sunny
Humidity
43%
Feels like
73°F
Dew Point
49°F
7 PM
70°F
0%
10mph
SSW
Sunny
Humidity
51%
Feels like
70°F
Dew Point
51°F
7:08 PM
8 PM
67°F
0%
10mph
SSW
Clear
Humidity
58%
Feels like
67°F
Dew Point
52°F
9 PM
65°F
0%
11mph
SSW
Clear
Humidity
64%
Feels like
65°F
Dew Point
53°F
10 PM
64°F
0%
11mph
SSW
Clear
Humidity
70%
Feels like
64°F
Dew Point
54°F
11 PM
64°F
0%
12mph
SSW
Clear
Humidity
73%
Feels like
64°F
Dew Point
55°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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