Hourly Weather Forecast - La Harpe, IL

9 AM
32°F
70%
24mph
NW
70% Chance Frozen Mix
Humidity
84%
Feels like
18°F
Dew Point
27°F
10 AM
31°F
10%
24mph
NW
Windy
Humidity
83%
Feels like
18°F
Dew Point
27°F
11 AM
32°F
10%
23mph
NNW
Windy
Humidity
80%
Feels like
19°F
Dew Point
27°F
12 PM
32°F
0%
21mph
NNW
Windy
Humidity
79%
Feels like
20°F
Dew Point
26°F
1 PM
32°F
0%
20mph
NNW
Cloudy
Humidity
77%
Feels like
20°F
Dew Point
26°F
2 PM
32°F
0%
19mph
NW
Cloudy
Humidity
76%
Feels like
20°F
Dew Point
25°F
3 PM
31°F
0%
18mph
NW
Cloudy
Humidity
76%
Feels like
20°F
Dew Point
24°F
4 PM
30°F
0%
16mph
NW
Cloudy
Humidity
77%
Feels like
19°F
Dew Point
24°F
4:36 PM
5 PM
30°F
0%
14mph
NW
Cloudy
Humidity
79%
Feels like
19°F
Dew Point
24°F
6 PM
29°F
0%
14mph
NW
Cloudy
Humidity
80%
Feels like
18°F
Dew Point
24°F
7 PM
28°F
0%
13mph
NW
Cloudy
Humidity
81%
Feels like
17°F
Dew Point
23°F
8 PM
27°F
0%
13mph
NW
Cloudy
Humidity
82%
Feels like
16°F
Dew Point
22°F
9 PM
26°F
0%
13mph
NW
Cloudy
Humidity
83%
Feels like
15°F
Dew Point
21°F
10 PM
25°F
0%
13mph
NW
Cloudy
Humidity
81%
Feels like
14°F
Dew Point
20°F
11 PM
24°F
30%
12mph
NW
30% Chance of Snow
Humidity
80%
Feels like
13°F
Dew Point
19°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today'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

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide