Hourly Weather Forecast - Harrisburg, IL

10 AM
48°F
0%
3mph
SW
Mostly Sunny
Humidity
55%
Feels like
47°F
Dew Point
33°F
11 AM
51°F
0%
2mph
WSW
Sunny
Humidity
51%
Feels like
51°F
Dew Point
34°F
12 PM
53°F
0%
2mph
WSW
Sunny
Humidity
48%
Feels like
53°F
Dew Point
34°F
1 PM
55°F
0%
2mph
SW
Sunny
Humidity
47%
Feels like
55°F
Dew Point
35°F
2 PM
55°F
10%
2mph
SSW
Sunny
Humidity
48%
Feels like
55°F
Dew Point
35°F
3 PM
54°F
10%
2mph
SSW
Mostly Sunny
Humidity
51%
Feels like
54°F
Dew Point
36°F
4 PM
52°F
10%
2mph
S
Partly Cloudy
Humidity
56%
Feels like
52°F
Dew Point
37°F
4:37 PM
5 PM
49°F
10%
3mph
SSE
Partly Cloudy
Humidity
63%
Feels like
49°F
Dew Point
37°F
6 PM
48°F
10%
3mph
SSE
Partly Cloudy
Humidity
70%
Feels like
47°F
Dew Point
38°F
7 PM
47°F
10%
4mph
SSE
Partly Cloudy
Humidity
74%
Feels like
46°F
Dew Point
40°F
8 PM
47°F
10%
4mph
S
Mostly Cloudy
Humidity
78%
Feels like
46°F
Dew Point
41°F
9 PM
48°F
10%
5mph
S
Mostly Cloudy
Humidity
81%
Feels like
46°F
Dew Point
42°F
10 PM
48°F
10%
5mph
S
Mostly Cloudy
Humidity
84%
Feels like
46°F
Dew Point
44°F
11 PM
48°F
10%
6mph
S
Mostly Cloudy
Humidity
88%
Feels like
46°F
Dew Point
44°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide