Hourly Weather Forecast - Harristown, IL

4 PM
39°F
10%
14mph
S
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
32°F
4:31 PM
5 PM
39°F
10%
15mph
S
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
32°F
6 PM
38°F
10%
16mph
S
Cloudy
Humidity
80%
Feels like
29°F
Dew Point
33°F
7 PM
38°F
10%
18mph
SSW
Mostly Cloudy
Humidity
81%
Feels like
29°F
Dew Point
33°F
8 PM
38°F
0%
19mph
SSW
Cloudy
Humidity
82%
Feels like
29°F
Dew Point
33°F
9 PM
39°F
20%
20mph
SSW
Windy
Humidity
82%
Feels like
29°F
Dew Point
34°F
10 PM
39°F
30%
20mph
SSW
30% Chance of Light Rain
Humidity
83%
Feels like
29°F
Dew Point
35°F
11 PM
40°F
30%
20mph
SW
30% Chance of Light Rain
Humidity
84%
Feels like
30°F
Dew Point
35°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide