Hourly Weather Forecast - Round Lake, IL

12 AM
31°F
0%
1mph
NNE
Partly Cloudy
Humidity
90%
Feels like
31°F
Dew Point
28°F
1 AM
31°F
0%
1mph
NE
Mostly Cloudy
Humidity
90%
Feels like
31°F
Dew Point
28°F
2 AM
30°F
0%
1mph
ENE
Mostly Cloudy
Humidity
91%
Feels like
30°F
Dew Point
28°F
3 AM
30°F
10%
1mph
ENE
Mostly Cloudy
Humidity
92%
Feels like
30°F
Dew Point
28°F
4 AM
31°F
10%
1mph
E
Mostly Cloudy
Humidity
93%
Feels like
31°F
Dew Point
29°F
5 AM
31°F
10%
1mph
E
Partly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
30°F
6 AM
32°F
10%
2mph
ESE
Partly Cloudy
Humidity
96%
Feels like
32°F
Dew Point
31°F
7 AM
34°F
10%
2mph
ESE
Partly Cloudy
Humidity
94%
Feels like
34°F
Dew Point
32°F
7:19 AM
8 AM
36°F
0%
3mph
ESE
Partly Cloudy
Humidity
91%
Feels like
33°F
Dew Point
33°F
9 AM
38°F
0%
4mph
SE
Partly Cloudy
Humidity
86%
Feels like
35°F
Dew Point
34°F
10 AM
40°F
0%
4mph
SE
Mostly Sunny
Humidity
80%
Feels like
37°F
Dew Point
34°F
11 AM
41°F
10%
4mph
SSE
Mostly Sunny
Humidity
74%
Feels like
39°F
Dew Point
34°F
12 PM
42°F
10%
4mph
SSE
Partly Cloudy
Humidity
70%
Feels like
40°F
Dew Point
33°F
1 PM
43°F
20%
4mph
SSE
Partly Cloudy
Humidity
68%
Feels like
41°F
Dew Point
33°F
2 PM
42°F
20%
3mph
SSE
Partly Cloudy
Humidity
69%
Feels like
41°F
Dew Point
33°F
3 PM
42°F
20%
3mph
SSE
Cloudy
Humidity
72%
Feels like
42°F
Dew Point
33°F
4 PM
41°F
10%
2mph
SSE
Cloudy
Humidity
77%
Feels like
41°F
Dew Point
35°F
4:24 PM
5 PM
40°F
10%
1mph
SSE
Cloudy
Humidity
84%
Feels like
40°F
Dew Point
36°F
6 PM
41°F
20%
1mph
SSE
Cloudy
Humidity
90%
Feels like
41°F
Dew Point
38°F
7 PM
41°F
20%
0mph
S
Cloudy
Humidity
97%
Feels like
41°F
Dew Point
40°F
8 PM
42°F
20%
0mph
S
Cloudy
Humidity
98%
Feels like
42°F
Dew Point
42°F
9 PM
42°F
20%
0mph
SSW
Foggy
Humidity
99%
Feels like
42°F
Dew Point
42°F
10 PM
42°F
10%
0mph
SW
Foggy
Humidity
99%
Feels like
42°F
Dew Point
42°F
11 PM
43°F
10%
0mph
W
Foggy
Humidity
99%
Feels like
43°F
Dew Point
42°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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