Hourly Weather Forecast - Round Lake, IL

12 AM
52°F
10%
3mph
WNW
Cloudy
Humidity
90%
Feels like
52°F
Dew Point
49°F
1 AM
51°F
10%
4mph
NW
Mostly Cloudy
Humidity
92%
Feels like
51°F
Dew Point
48°F
2 AM
49°F
10%
5mph
NW
Cloudy
Humidity
94%
Feels like
48°F
Dew Point
48°F
3 AM
48°F
10%
5mph
NNW
Cloudy
Humidity
95%
Feels like
46°F
Dew Point
47°F
4 AM
47°F
10%
5mph
NNW
Cloudy
Humidity
95%
Feels like
44°F
Dew Point
46°F
5 AM
46°F
10%
5mph
N
Cloudy
Humidity
94%
Feels like
43°F
Dew Point
44°F
6 AM
44°F
10%
5mph
N
Cloudy
Humidity
94%
Feels like
41°F
Dew Point
43°F
7 AM
44°F
10%
5mph
N
Cloudy
Humidity
91%
Feels like
41°F
Dew Point
41°F
7:20 AM
8 AM
43°F
10%
5mph
N
Cloudy
Humidity
88%
Feels like
41°F
Dew Point
40°F
9 AM
44°F
10%
4mph
N
Cloudy
Humidity
85%
Feels like
41°F
Dew Point
40°F
10 AM
44°F
10%
4mph
N
Cloudy
Humidity
83%
Feels like
42°F
Dew Point
40°F
11 AM
45°F
10%
4mph
N
Mostly Cloudy
Humidity
82%
Feels like
43°F
Dew Point
40°F
12 PM
46°F
10%
4mph
N
Mostly Cloudy
Humidity
80%
Feels like
44°F
Dew Point
40°F
1 PM
46°F
10%
4mph
N
Mostly Cloudy
Humidity
78%
Feels like
44°F
Dew Point
39°F
2 PM
45°F
10%
4mph
N
Cloudy
Humidity
77%
Feels like
43°F
Dew Point
38°F
3 PM
44°F
10%
4mph
N
Cloudy
Humidity
78%
Feels like
41°F
Dew Point
37°F
4 PM
42°F
10%
4mph
N
Cloudy
Humidity
82%
Feels like
39°F
Dew Point
37°F
4:25 PM
5 PM
40°F
10%
4mph
N
Cloudy
Humidity
85%
Feels like
37°F
Dew Point
36°F
6 PM
39°F
10%
4mph
NNE
Cloudy
Humidity
85%
Feels like
36°F
Dew Point
35°F
7 PM
39°F
10%
3mph
NNE
Cloudy
Humidity
87%
Feels like
39°F
Dew Point
35°F
8 PM
38°F
10%
2mph
NNE
Cloudy
Humidity
87%
Feels like
38°F
Dew Point
35°F
9 PM
38°F
10%
2mph
NE
Cloudy
Humidity
88%
Feels like
38°F
Dew Point
34°F
10 PM
37°F
10%
2mph
NE
Mostly Cloudy
Humidity
89%
Feels like
37°F
Dew Point
34°F
11 PM
37°F
10%
2mph
ENE
Cloudy
Humidity
90%
Feels like
37°F
Dew Point
34°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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