Hourly Weather Forecast - Round Lake, IL

12 PM
37°F
0%
0mph
WNW
Mostly Sunny
Humidity
77%
Feels like
37°F
Dew Point
31°F
1 PM
37°F
0%
0mph
W
Sunny
Humidity
76%
Feels like
37°F
Dew Point
30°F
2 PM
37°F
0%
0mph
S
Mostly Sunny
Humidity
78%
Feels like
37°F
Dew Point
30°F
3 PM
35°F
0%
0mph
SSE
Mostly Sunny
Humidity
79%
Feels like
35°F
Dew Point
29°F
4 PM
33°F
0%
1mph
SSE
Mostly Sunny
Humidity
82%
Feels like
33°F
Dew Point
28°F
4:21 PM
5 PM
32°F
0%
2mph
SSE
Partly Cloudy
Humidity
85%
Feels like
32°F
Dew Point
28°F
6 PM
31°F
0%
3mph
SSE
Partly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
27°F
7 PM
31°F
0%
4mph
SSE
Partly Cloudy
Humidity
89%
Feels like
27°F
Dew Point
28°F
8 PM
31°F
0%
5mph
SSE
Partly Cloudy
Humidity
89%
Feels like
26°F
Dew Point
28°F
9 PM
32°F
0%
6mph
S
Partly Cloudy
Humidity
90%
Feels like
26°F
Dew Point
29°F
10 PM
33°F
0%
6mph
S
Partly Cloudy
Humidity
89%
Feels like
27°F
Dew Point
31°F
11 PM
35°F
10%
7mph
S
Mostly Cloudy
Humidity
91%
Feels like
28°F
Dew Point
32°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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