Hourly Weather Forecast - Round Lake, IL

12 AM
36°F
10%
8mph
S
Mostly Cloudy
Humidity
92%
Feels like
30°F
Dew Point
34°F
1 AM
37°F
0%
8mph
S
Mostly Cloudy
Humidity
92%
Feels like
30°F
Dew Point
35°F
2 AM
38°F
10%
9mph
S
Mostly Cloudy
Humidity
93%
Feels like
31°F
Dew Point
36°F
3 AM
39°F
30%
9mph
S
30% Chance of Light Rain
Humidity
94%
Feels like
32°F
Dew Point
37°F
4 AM
40°F
30%
9mph
S
30% Chance of Light Rain
Humidity
94%
Feels like
34°F
Dew Point
38°F
5 AM
39°F
30%
9mph
S
30% Chance of Light Rain
Humidity
100%
Feels like
33°F
Dew Point
39°F
6 AM
39°F
40%
10mph
S
40% Chance of Light Rain
Humidity
100%
Feels like
33°F
Dew Point
39°F
7 AM
40°F
30%
10mph
SSW
30% Chance of Light Rain
Humidity
100%
Feels like
33°F
Dew Point
40°F
7:16 AM
8 AM
42°F
40%
10mph
SSW
40% Chance of Light Rain
Humidity
100%
Feels like
35°F
Dew Point
42°F
9 AM
42°F
50%
10mph
SSW
50% Chance of Light Rain
Humidity
100%
Feels like
37°F
Dew Point
42°F
10 AM
42°F
60%
10mph
SSW
60% Chance of Light Rain
Humidity
100%
Feels like
36°F
Dew Point
42°F
11 AM
42°F
60%
9mph
SW
60% Chance of Rain
Humidity
100%
Feels like
36°F
Dew Point
42°F
12 PM
42°F
60%
9mph
SW
60% Chance of Rain
Humidity
100%
Feels like
36°F
Dew Point
42°F
1 PM
41°F
50%
8mph
WSW
50% Chance of Rain
Humidity
100%
Feels like
36°F
Dew Point
41°F
2 PM
40°F
30%
7mph
WSW
30% Chance of Light Rain
Humidity
99%
Feels like
35°F
Dew Point
40°F
3 PM
39°F
30%
7mph
WSW
30% Chance of Light Rain
Humidity
91%
Feels like
34°F
Dew Point
36°F
4 PM
37°F
30%
8mph
WSW
30% Chance Rain Showers
Humidity
86%
Feels like
31°F
Dew Point
33°F
4:21 PM
5 PM
36°F
10%
8mph
WSW
Partly Cloudy
Humidity
85%
Feels like
30°F
Dew Point
32°F
6 PM
34°F
30%
9mph
W
30% Chance of Snow
Humidity
85%
Feels like
27°F
Dew Point
30°F
7 PM
32°F
30%
9mph
W
30% Chance of Snow
Humidity
78%
Feels like
24°F
Dew Point
26°F
8 PM
30°F
10%
10mph
W
Partly Cloudy
Humidity
74%
Feels like
21°F
Dew Point
22°F
9 PM
27°F
20%
11mph
W
Partly Cloudy
Humidity
76%
Feels like
17°F
Dew Point
20°F
10 PM
25°F
20%
12mph
W
Partly Cloudy
Humidity
69%
Feels like
14°F
Dew Point
16°F
11 PM
22°F
10%
13mph
W
Partly Cloudy
Humidity
67%
Feels like
10°F
Dew Point
12°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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