Hourly Weather Forecast - McCullom Lake, IL

12 AM
20°F
10%
14mph
W
Mostly Cloudy
Humidity
68%
Feels like
7°F
Dew Point
12°F
1 AM
19°F
10%
13mph
WNW
Mostly Cloudy
Humidity
70%
Feels like
6°F
Dew Point
11°F
2 AM
19°F
10%
12mph
WNW
Mostly Cloudy
Humidity
70%
Feels like
6°F
Dew Point
11°F
3 AM
18°F
10%
11mph
WNW
Mostly Cloudy
Humidity
71%
Feels like
6°F
Dew Point
10°F
4 AM
18°F
10%
11mph
WNW
Partly Cloudy
Humidity
68%
Feels like
6°F
Dew Point
9°F
5 AM
17°F
10%
10mph
WNW
Partly Cloudy
Humidity
67%
Feels like
5°F
Dew Point
8°F
6 AM
15°F
10%
9mph
WNW
Mostly Clear
Humidity
69%
Feels like
4°F
Dew Point
7°F
7 AM
14°F
10%
9mph
WNW
Mostly Clear
Humidity
61%
Feels like
2°F
Dew Point
3°F
7:17 AM
8 AM
14°F
10%
9mph
WNW
Sunny
Humidity
62%
Feels like
2°F
Dew Point
3°F
9 AM
15°F
10%
8mph
WNW
Sunny
Humidity
59%
Feels like
4°F
Dew Point
4°F
10 AM
17°F
10%
7mph
WNW
Sunny
Humidity
55%
Feels like
7°F
Dew Point
4°F
11 AM
19°F
10%
7mph
W
Sunny
Humidity
53%
Feels like
10°F
Dew Point
4°F
12 PM
20°F
10%
6mph
WSW
Sunny
Humidity
51%
Feels like
11°F
Dew Point
4°F
1 PM
20°F
10%
6mph
SW
Sunny
Humidity
51%
Feels like
12°F
Dew Point
5°F
2 PM
20°F
10%
6mph
SSW
Sunny
Humidity
52%
Feels like
13°F
Dew Point
6°F
3 PM
20°F
10%
6mph
SSW
Sunny
Humidity
55%
Feels like
12°F
Dew Point
7°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday A.M.

Snow Spreads Across the Midwest into the Mid-Atlantic

Weekend Weather Outlook

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

Cold Air Damming - Cause And Effects

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