Hourly Weather Forecast - Percy, IL

12 AM
27°F
10%
5mph
SSW
Clear
Humidity
59%
Feels like
21°F
Dew Point
14°F
1 AM
26°F
10%
5mph
SSW
Clear
Humidity
61%
Feels like
21°F
Dew Point
15°F
2 AM
26°F
30%
5mph
SSW
30 % Chance of Heavy Snow
Humidity
62%
Feels like
21°F
Dew Point
15°F
3 AM
26°F
10%
4mph
SSW
Partly Cloudy
Humidity
63%
Feels like
21°F
Dew Point
15°F
4 AM
26°F
10%
4mph
SSW
Clear
Humidity
65%
Feels like
21°F
Dew Point
16°F
5 AM
25°F
0%
4mph
S
Mostly Clear
Humidity
67%
Feels like
21°F
Dew Point
16°F
6 AM
26°F
0%
4mph
S
Mostly Clear
Humidity
68%
Feels like
21°F
Dew Point
17°F
7 AM
27°F
0%
4mph
S
Mostly Clear
Humidity
66%
Feels like
22°F
Dew Point
17°F
7:07 AM
8 AM
29°F
0%
5mph
S
Mostly Sunny
Humidity
64%
Feels like
24°F
Dew Point
18°F
9 AM
31°F
0%
6mph
S
Mostly Sunny
Humidity
60%
Feels like
26°F
Dew Point
19°F
10 AM
34°F
0%
7mph
S
Sunny
Humidity
56%
Feels like
29°F
Dew Point
20°F
11 AM
38°F
0%
7mph
S
Sunny
Humidity
51%
Feels like
32°F
Dew Point
21°F
12 PM
40°F
0%
8mph
S
Sunny
Humidity
48%
Feels like
35°F
Dew Point
22°F
1 PM
41°F
0%
9mph
S
Sunny
Humidity
48%
Feels like
36°F
Dew Point
23°F
2 PM
42°F
0%
9mph
S
Sunny
Humidity
49%
Feels like
37°F
Dew Point
24°F
3 PM
42°F
10%
9mph
S
Sunny
Humidity
52%
Feels like
36°F
Dew Point
26°F
4 PM
41°F
10%
9mph
S
Sunny
Humidity
56%
Feels like
35°F
Dew Point
26°F
4:40 PM
5 PM
39°F
10%
9mph
S
Clear
Humidity
62%
Feels like
33°F
Dew Point
27°F
6 PM
37°F
10%
9mph
S
Clear
Humidity
67%
Feels like
31°F
Dew Point
27°F
7 PM
37°F
10%
9mph
S
Mostly Clear
Humidity
70%
Feels like
30°F
Dew Point
28°F
8 PM
36°F
10%
9mph
S
Partly Cloudy
Humidity
72%
Feels like
30°F
Dew Point
28°F
9 PM
36°F
10%
9mph
S
Cloudy
Humidity
74%
Feels like
29°F
Dew Point
29°F
10 PM
36°F
10%
9mph
SSW
Cloudy
Humidity
75%
Feels like
29°F
Dew Point
29°F
11 PM
36°F
10%
9mph
SSW
Cloudy
Humidity
76%
Feels like
30°F
Dew Point
29°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

Thursday's Weather Outlook

Thursday'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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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide