Hourly Weather Forecast - Round Lake, IL

12 AM
0°F
0%
2mph
SW
Partly Cloudy
Humidity
82%
Feels like
0°F
Dew Point
-4°F
1 AM
1°F
0%
2mph
SW
Partly Cloudy
Humidity
81%
Feels like
1°F
Dew Point
-3°F
2 AM
2°F
0%
3mph
SW
Mostly Clear
Humidity
78%
Feels like
2°F
Dew Point
-3°F
3 AM
3°F
10%
4mph
SW
Clear
Humidity
76%
Feels like
-5°F
Dew Point
-3°F
4 AM
4°F
10%
4mph
SSW
Mostly Clear
Humidity
75%
Feels like
-4°F
Dew Point
-2°F
5 AM
5°F
10%
5mph
SSW
Partly Cloudy
Humidity
75%
Feels like
-4°F
Dew Point
-1°F
6 AM
7°F
10%
6mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
-3°F
Dew Point
1°F
7 AM
8°F
10%
6mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
-2°F
Dew Point
1°F
7:14 AM
8 AM
10°F
10%
7mph
SSW
Cloudy
Humidity
71%
Feels like
-1°F
Dew Point
3°F
9 AM
12°F
10%
7mph
SSW
Cloudy
Humidity
69%
Feels like
1°F
Dew Point
4°F
10 AM
15°F
10%
8mph
SSW
Cloudy
Humidity
67%
Feels like
4°F
Dew Point
6°F
11 AM
17°F
10%
8mph
SSW
Cloudy
Humidity
67%
Feels like
7°F
Dew Point
8°F
12 PM
19°F
10%
8mph
SSW
Cloudy
Humidity
67%
Feels like
9°F
Dew Point
10°F
1 PM
20°F
10%
7mph
SW
Mostly Cloudy
Humidity
67%
Feels like
11°F
Dew Point
11°F
2 PM
22°F
10%
7mph
SW
Partly Cloudy
Humidity
68%
Feels like
13°F
Dew Point
13°F
3 PM
22°F
10%
6mph
SW
Partly Cloudy
Humidity
72%
Feels like
14°F
Dew Point
14°F
4 PM
21°F
10%
6mph
SW
Partly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
15°F
4:20 PM
5 PM
20°F
10%
5mph
SW
Partly Cloudy
Humidity
81%
Feels like
13°F
Dew Point
15°F
6 PM
19°F
10%
5mph
SW
Partly Cloudy
Humidity
87%
Feels like
12°F
Dew Point
16°F
7 PM
18°F
10%
4mph
SW
Mostly Cloudy
Humidity
85%
Feels like
12°F
Dew Point
15°F
8 PM
18°F
10%
5mph
WSW
Mostly Cloudy
Humidity
86%
Feels like
11°F
Dew Point
15°F
9 PM
18°F
10%
4mph
WSW
Mostly Cloudy
Humidity
87%
Feels like
11°F
Dew Point
15°F
10 PM
18°F
10%
4mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
11°F
Dew Point
15°F
11 PM
17°F
10%
4mph
WSW
Partly Cloudy
Humidity
91%
Feels like
10°F
Dew Point
15°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide