Hourly Weather Forecast - Harrisburg, IL

12 AM
31°F
0%
5mph
S
Clear
Humidity
72%
Feels like
26°F
Dew Point
23°F
1 AM
31°F
0%
5mph
S
Clear
Humidity
72%
Feels like
26°F
Dew Point
23°F
2 AM
32°F
0%
5mph
S
Clear
Humidity
71%
Feels like
27°F
Dew Point
23°F
3 AM
32°F
0%
6mph
S
Clear
Humidity
70%
Feels like
27°F
Dew Point
23°F
4 AM
32°F
0%
6mph
S
Mostly Clear
Humidity
70%
Feels like
27°F
Dew Point
24°F
5 AM
32°F
0%
6mph
S
Mostly Clear
Humidity
71%
Feels like
26°F
Dew Point
24°F
6 AM
33°F
0%
7mph
S
Mostly Clear
Humidity
72%
Feels like
27°F
Dew Point
25°F
7 AM
35°F
0%
7mph
S
Mostly Clear
Humidity
71%
Feels like
28°F
Dew Point
26°F
7:05 AM
8 AM
37°F
0%
8mph
S
Mostly Sunny
Humidity
68%
Feels like
31°F
Dew Point
27°F
9 AM
40°F
0%
8mph
S
Mostly Sunny
Humidity
63%
Feels like
35°F
Dew Point
29°F
10 AM
44°F
0%
9mph
SSW
Partly Cloudy
Humidity
58%
Feels like
39°F
Dew Point
30°F
11 AM
46°F
0%
9mph
SSW
Partly Cloudy
Humidity
56%
Feels like
42°F
Dew Point
31°F
12 PM
48°F
0%
9mph
SSW
Partly Cloudy
Humidity
54%
Feels like
44°F
Dew Point
32°F
1 PM
50°F
0%
9mph
SSW
Partly Cloudy
Humidity
54%
Feels like
46°F
Dew Point
34°F
2 PM
50°F
0%
9mph
SSW
Partly Cloudy
Humidity
56%
Feels like
50°F
Dew Point
35°F
3 PM
50°F
0%
8mph
SSW
Partly Cloudy
Humidity
60%
Feels like
47°F
Dew Point
37°F
4 PM
49°F
0%
7mph
SSW
Partly Cloudy
Humidity
65%
Feels like
46°F
Dew Point
38°F
4:38 PM
5 PM
47°F
0%
5mph
SW
Partly Cloudy
Humidity
72%
Feels like
45°F
Dew Point
39°F
6 PM
46°F
10%
4mph
SW
Partly Cloudy
Humidity
78%
Feels like
45°F
Dew Point
40°F
7 PM
45°F
10%
3mph
WSW
Mostly Clear
Humidity
81%
Feels like
44°F
Dew Point
40°F
8 PM
44°F
10%
3mph
W
Clear
Humidity
82%
Feels like
43°F
Dew Point
39°F
9 PM
43°F
10%
3mph
WNW
Clear
Humidity
82%
Feels like
41°F
Dew Point
38°F
10 PM
41°F
10%
4mph
WNW
Mostly Clear
Humidity
82%
Feels like
39°F
Dew Point
36°F
11 PM
39°F
10%
4mph
NW
Partly Cloudy
Humidity
82%
Feels like
36°F
Dew Point
34°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

How to Measure Snow via NWS

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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