Hourly Weather Forecast - Deer Park, IL

12 AM
26°F
20%
8mph
SE
Mostly Cloudy
Humidity
70%
Feels like
18°F
Dew Point
18°F
1 AM
27°F
20%
8mph
SE
Cloudy
Humidity
71%
Feels like
18°F
Dew Point
19°F
2 AM
27°F
20%
8mph
SE
Cloudy
Humidity
71%
Feels like
19°F
Dew Point
19°F
3 AM
27°F
20%
9mph
SE
Cloudy
Humidity
69%
Feels like
19°F
Dew Point
19°F
4 AM
27°F
10%
9mph
SE
Cloudy
Humidity
71%
Feels like
19°F
Dew Point
19°F
5 AM
27°F
10%
9mph
SE
Mostly Cloudy
Humidity
72%
Feels like
19°F
Dew Point
19°F
6 AM
28°F
0%
9mph
SE
Mostly Cloudy
Humidity
71%
Feels like
19°F
Dew Point
20°F
7 AM
29°F
10%
9mph
SE
Mostly Cloudy
Humidity
69%
Feels like
20°F
Dew Point
20°F
7:18 AM
8 AM
30°F
10%
10mph
SE
Mostly Cloudy
Humidity
65%
Feels like
22°F
Dew Point
20°F
9 AM
32°F
10%
10mph
SE
Mostly Cloudy
Humidity
61%
Feels like
24°F
Dew Point
20°F
10 AM
34°F
10%
11mph
SSE
Mostly Cloudy
Humidity
57%
Feels like
26°F
Dew Point
20°F
11 AM
36°F
10%
11mph
SSE
Mostly Cloudy
Humidity
51%
Feels like
28°F
Dew Point
20°F
12 PM
38°F
10%
12mph
SSE
Cloudy
Humidity
48%
Feels like
30°F
Dew Point
20°F
1 PM
39°F
10%
11mph
SSE
Cloudy
Humidity
47%
Feels like
32°F
Dew Point
21°F
2 PM
39°F
10%
11mph
SSE
Mostly Cloudy
Humidity
49%
Feels like
32°F
Dew Point
22°F
3 PM
39°F
10%
10mph
SSE
Cloudy
Humidity
52%
Feels like
32°F
Dew Point
23°F
4 PM
38°F
0%
10mph
SSE
Cloudy
Humidity
58%
Feels like
31°F
Dew Point
25°F
4:30 PM
5 PM
37°F
0%
10mph
SSE
Cloudy
Humidity
64%
Feels like
30°F
Dew Point
26°F
6 PM
36°F
10%
10mph
SSE
Cloudy
Humidity
69%
Feels like
29°F
Dew Point
27°F
7 PM
36°F
10%
11mph
SSE
Cloudy
Humidity
73%
Feels like
28°F
Dew Point
28°F
8 PM
36°F
10%
11mph
SSE
Mostly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
29°F
9 PM
36°F
10%
11mph
S
Mostly Cloudy
Humidity
78%
Feels like
28°F
Dew Point
30°F
10 PM
36°F
10%
11mph
S
Partly Cloudy
Humidity
81%
Feels like
28°F
Dew Point
31°F
11 PM
36°F
10%
11mph
S
Partly Cloudy
Humidity
86%
Feels like
29°F
Dew Point
32°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