Hourly Weather Forecast - Harrisburg, IL

12 AM
37°F
0%
4mph
NNW
Partly Cloudy
Humidity
82%
Feels like
34°F
Dew Point
32°F
1 AM
35°F
0%
4mph
NNW
Partly Cloudy
Humidity
82%
Feels like
32°F
Dew Point
30°F
2 AM
33°F
0%
4mph
NNW
Mostly Clear
Humidity
81%
Feels like
30°F
Dew Point
28°F
3 AM
32°F
10%
4mph
N
Mostly Clear
Humidity
82%
Feels like
28°F
Dew Point
27°F
4 AM
30°F
10%
3mph
N
Mostly Clear
Humidity
83%
Feels like
27°F
Dew Point
26°F
5 AM
29°F
10%
3mph
N
Clear
Humidity
86%
Feels like
29°F
Dew Point
25°F
6 AM
28°F
10%
2mph
N
Clear
Humidity
87%
Feels like
28°F
Dew Point
25°F
7 AM
29°F
10%
2mph
N
Mostly Clear
Humidity
83%
Feels like
29°F
Dew Point
24°F
7:05 AM
8 AM
31°F
10%
2mph
N
Mostly Sunny
Humidity
75%
Feels like
31°F
Dew Point
24°F
9 AM
33°F
10%
2mph
N
Mostly Sunny
Humidity
66%
Feels like
33°F
Dew Point
23°F
10 AM
36°F
10%
2mph
NNE
Mostly Sunny
Humidity
58%
Feels like
36°F
Dew Point
22°F
11 AM
38°F
10%
3mph
NNE
Sunny
Humidity
52%
Feels like
38°F
Dew Point
22°F
12 PM
39°F
10%
3mph
NNE
Sunny
Humidity
47%
Feels like
39°F
Dew Point
21°F
1 PM
40°F
10%
3mph
NNE
Sunny
Humidity
45%
Feels like
40°F
Dew Point
20°F
2 PM
40°F
20%
3mph
NNE
Mostly Sunny
Humidity
45%
Feels like
40°F
Dew Point
20°F
3 PM
39°F
20%
3mph
NNE
Mostly Sunny
Humidity
46%
Feels like
39°F
Dew Point
20°F
4 PM
38°F
20%
2mph
NE
Mostly Sunny
Humidity
50%
Feels like
38°F
Dew Point
21°F
4:38 PM
5 PM
36°F
20%
2mph
NE
Clear
Humidity
57%
Feels like
36°F
Dew Point
22°F
6 PM
33°F
20%
2mph
ENE
Clear
Humidity
63%
Feels like
33°F
Dew Point
22°F
7 PM
32°F
20%
2mph
ENE
Clear
Humidity
69%
Feels like
32°F
Dew Point
23°F
8 PM
31°F
20%
2mph
ENE
Mostly Clear
Humidity
73%
Feels like
31°F
Dew Point
23°F
9 PM
30°F
20%
2mph
ENE
Mostly Clear
Humidity
76%
Feels like
30°F
Dew Point
23°F
10 PM
29°F
20%
2mph
E
Mostly Clear
Humidity
79%
Feels like
29°F
Dew Point
24°F
11 PM
29°F
20%
2mph
E
Partly Cloudy
Humidity
81%
Feels like
29°F
Dew Point
24°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

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How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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