Hourly Weather Forecast - Decatur, IL

12 AM
40°F
10%
13mph
SSW
Clear
Humidity
72%
Feels like
33°F
Dew Point
32°F
1 AM
41°F
10%
13mph
SSW
Clear
Humidity
75%
Feels like
33°F
Dew Point
34°F
2 AM
41°F
10%
13mph
SSW
Clear
Humidity
78%
Feels like
34°F
Dew Point
35°F
3 AM
41°F
10%
13mph
SSW
Clear
Humidity
81%
Feels like
34°F
Dew Point
36°F
4 AM
41°F
10%
12mph
SSW
Clear
Humidity
83%
Feels like
34°F
Dew Point
37°F
5 AM
41°F
10%
12mph
SSW
Clear
Humidity
86%
Feels like
35°F
Dew Point
38°F
6 AM
42°F
10%
12mph
SSW
Clear
Humidity
88%
Feels like
35°F
Dew Point
38°F
7 AM
43°F
0%
12mph
SSW
Mostly Clear
Humidity
89%
Feels like
36°F
Dew Point
40°F
7:14 AM
8 AM
44°F
10%
12mph
SSW
Partly Cloudy
Humidity
88%
Feels like
38°F
Dew Point
41°F
9 AM
46°F
10%
13mph
SSW
Partly Cloudy
Humidity
87%
Feels like
40°F
Dew Point
42°F
10 AM
48°F
20%
13mph
SSW
Partly Cloudy
Humidity
83%
Feels like
42°F
Dew Point
43°F
11 AM
50°F
30%
13mph
SW
30% Chance Rain Showers
Humidity
80%
Feels like
45°F
Dew Point
44°F
12 PM
51°F
20%
13mph
SW
Partly Cloudy
Humidity
77%
Feels like
51°F
Dew Point
44°F
1 PM
53°F
10%
13mph
SW
Partly Cloudy
Humidity
75%
Feels like
53°F
Dew Point
45°F
2 PM
53°F
10%
12mph
SW
Partly Cloudy
Humidity
74%
Feels like
53°F
Dew Point
45°F
3 PM
53°F
10%
11mph
SW
Partly Cloudy
Humidity
76%
Feels like
53°F
Dew Point
45°F
4 PM
51°F
10%
10mph
SW
Partly Cloudy
Humidity
81%
Feels like
51°F
Dew Point
45°F
4:35 PM
5 PM
49°F
10%
9mph
SW
Partly Cloudy
Humidity
84%
Feels like
45°F
Dew Point
44°F
6 PM
47°F
10%
8mph
SW
Partly Cloudy
Humidity
88%
Feels like
43°F
Dew Point
43°F
7 PM
44°F
10%
6mph
SW
Partly Cloudy
Humidity
92%
Feels like
41°F
Dew Point
42°F
8 PM
43°F
10%
7mph
SW
Partly Cloudy
Humidity
95%
Feels like
38°F
Dew Point
41°F
9 PM
41°F
10%
7mph
SW
Partly Cloudy
Humidity
96%
Feels like
36°F
Dew Point
40°F
10 PM
40°F
10%
8mph
SSW
Foggy
Humidity
100%
Feels like
34°F
Dew Point
40°F
11 PM
39°F
10%
8mph
SSE
Foggy
Humidity
100%
Feels like
33°F
Dew Point
39°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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