Hourly Weather Forecast - Harvey, IL

12 AM
19°F
0%
2mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
19°F
Dew Point
14°F
1 AM
18°F
0%
2mph
SW
Cloudy
Humidity
84%
Feels like
18°F
Dew Point
14°F
2 AM
18°F
0%
2mph
SW
Cloudy
Humidity
87%
Feels like
18°F
Dew Point
14°F
3 AM
17°F
0%
3mph
SSW
Cloudy
Humidity
87%
Feels like
17°F
Dew Point
14°F
4 AM
18°F
0%
3mph
SSW
Mostly Cloudy
Humidity
88%
Feels like
13°F
Dew Point
15°F
5 AM
18°F
0%
3mph
SSW
Partly Cloudy
Humidity
87%
Feels like
13°F
Dew Point
15°F
6 AM
19°F
0%
4mph
S
Partly Cloudy
Humidity
87%
Feels like
13°F
Dew Point
16°F
7 AM
20°F
0%
4mph
S
Mostly Clear
Humidity
85%
Feels like
13°F
Dew Point
16°F
7:10 AM
8 AM
21°F
0%
5mph
S
Mostly Sunny
Humidity
83%
Feels like
15°F
Dew Point
17°F
9 AM
23°F
0%
5mph
S
Sunny
Humidity
80%
Feels like
16°F
Dew Point
18°F
10 AM
25°F
0%
6mph
S
Sunny
Humidity
78%
Feels like
19°F
Dew Point
20°F
11 AM
27°F
0%
6mph
SSW
Sunny
Humidity
74%
Feels like
21°F
Dew Point
20°F
12 PM
28°F
0%
6mph
SSW
Sunny
Humidity
73%
Feels like
22°F
Dew Point
21°F
1 PM
29°F
0%
7mph
SSW
Sunny
Humidity
75%
Feels like
22°F
Dew Point
22°F
2 PM
29°F
0%
7mph
S
Mostly Sunny
Humidity
77%
Feels like
22°F
Dew Point
23°F
3 PM
29°F
0%
7mph
S
Mostly Sunny
Humidity
80%
Feels like
22°F
Dew Point
24°F
4 PM
29°F
0%
7mph
S
Mostly Sunny
Humidity
83%
Feels like
22°F
Dew Point
24°F
4:21 PM
5 PM
29°F
0%
7mph
S
Mostly Clear
Humidity
84%
Feels like
21°F
Dew Point
24°F
6 PM
29°F
10%
8mph
S
Partly Cloudy
Humidity
83%
Feels like
21°F
Dew Point
24°F
7 PM
29°F
10%
8mph
S
Partly Cloudy
Humidity
83%
Feels like
22°F
Dew Point
25°F
8 PM
30°F
10%
8mph
S
Mostly Cloudy
Humidity
85%
Feels like
22°F
Dew Point
26°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide