Hourly Weather Forecast - Round Lake, IL

11 AM
29°F
30%
11mph
NNW
30% Chance of Snow
Humidity
82%
Feels like
19°F
Dew Point
24°F
12 PM
28°F
10%
11mph
NNW
Mostly Cloudy
Humidity
77%
Feels like
19°F
Dew Point
22°F
1 PM
28°F
10%
11mph
NNW
Cloudy
Humidity
76%
Feels like
18°F
Dew Point
21°F
2 PM
27°F
0%
10mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
18°F
Dew Point
20°F
3 PM
26°F
0%
9mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
18°F
Dew Point
20°F
4 PM
26°F
0%
7mph
NW
Partly Cloudy
Humidity
78%
Feels like
18°F
Dew Point
20°F
4:19 PM
5 PM
26°F
0%
6mph
NW
Mostly Cloudy
Humidity
80%
Feels like
18°F
Dew Point
20°F
6 PM
26°F
0%
5mph
NW
Cloudy
Humidity
82%
Feels like
20°F
Dew Point
21°F
7 PM
26°F
0%
5mph
NW
Mostly Cloudy
Humidity
83%
Feels like
20°F
Dew Point
21°F
8 PM
25°F
0%
4mph
NW
Cloudy
Humidity
83%
Feels like
20°F
Dew Point
21°F
9 PM
25°F
0%
4mph
NW
Mostly Cloudy
Humidity
84%
Feels like
19°F
Dew Point
20°F
10 PM
24°F
0%
4mph
NW
Mostly Cloudy
Humidity
84%
Feels like
19°F
Dew Point
20°F
11 PM
24°F
0%
4mph
NW
Mostly Cloudy
Humidity
84%
Feels like
18°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide