Hourly Weather Forecast - Harristown, IL

12 AM
19°F
0%
5mph
SSW
Clear
Humidity
82%
Feels like
12°F
Dew Point
14°F
1 AM
19°F
0%
6mph
SSW
Clear
Humidity
83%
Feels like
11°F
Dew Point
15°F
2 AM
19°F
10%
6mph
SSW
Clear
Humidity
85%
Feels like
11°F
Dew Point
16°F
3 AM
20°F
10%
6mph
SSW
Clear
Humidity
87%
Feels like
11°F
Dew Point
16°F
4 AM
20°F
10%
7mph
SSW
Mostly Clear
Humidity
87%
Feels like
11°F
Dew Point
17°F
5 AM
20°F
10%
8mph
SSW
Mostly Clear
Humidity
88%
Feels like
10°F
Dew Point
17°F
6 AM
20°F
10%
8mph
SSW
Mostly Clear
Humidity
88%
Feels like
11°F
Dew Point
17°F
7 AM
22°F
10%
9mph
SSW
Mostly Clear
Humidity
88%
Feels like
12°F
Dew Point
19°F
7:11 AM
8 AM
25°F
10%
9mph
SSW
Mostly Sunny
Humidity
88%
Feels like
15°F
Dew Point
22°F
9 AM
27°F
10%
9mph
SSW
Sunny
Humidity
88%
Feels like
18°F
Dew Point
24°F
10 AM
30°F
10%
10mph
SSW
Sunny
Humidity
86%
Feels like
21°F
Dew Point
27°F
11 AM
33°F
10%
11mph
SSW
Mostly Sunny
Humidity
85%
Feels like
25°F
Dew Point
29°F
12 PM
35°F
10%
11mph
SSW
Sunny
Humidity
83%
Feels like
27°F
Dew Point
31°F
1 PM
36°F
10%
11mph
SSW
Sunny
Humidity
83%
Feels like
29°F
Dew Point
32°F
2 PM
37°F
10%
11mph
S
Sunny
Humidity
83%
Feels like
29°F
Dew Point
32°F
3 PM
37°F
10%
11mph
S
Sunny
Humidity
84%
Feels like
29°F
Dew Point
32°F
4 PM
36°F
10%
11mph
S
Mostly Sunny
Humidity
85%
Feels like
28°F
Dew Point
32°F
4:32 PM
5 PM
35°F
10%
11mph
S
Partly Cloudy
Humidity
86%
Feels like
28°F
Dew Point
31°F
6 PM
35°F
10%
11mph
S
Cloudy
Humidity
88%
Feels like
27°F
Dew Point
31°F
7 PM
34°F
10%
11mph
SSW
Cloudy
Humidity
90%
Feels like
26°F
Dew Point
31°F
8 PM
34°F
10%
11mph
SSW
Mostly Cloudy
Humidity
92%
Feels like
26°F
Dew Point
32°F
9 PM
34°F
10%
11mph
SSW
Partly Cloudy
Humidity
93%
Feels like
26°F
Dew Point
32°F
10 PM
34°F
10%
11mph
SSW
Partly Cloudy
Humidity
93%
Feels like
26°F
Dew Point
32°F
11 PM
34°F
10%
10mph
SW
Partly Cloudy
Humidity
93%
Feels like
26°F
Dew Point
32°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday'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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