Hourly Weather Forecast - McHenry, IL

9 AM
13°F
0%
13mph
WSW
Mostly Cloudy
Humidity
81%
Feels like
-1°F
Dew Point
9°F
10 AM
15°F
10%
14mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
0°F
Dew Point
9°F
11 AM
16°F
10%
14mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
2°F
Dew Point
10°F
12 PM
17°F
10%
14mph
WSW
Cloudy
Humidity
77%
Feels like
2°F
Dew Point
11°F
1 PM
17°F
10%
14mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
3°F
Dew Point
11°F
2 PM
17°F
10%
13mph
WSW
Cloudy
Humidity
81%
Feels like
3°F
Dew Point
12°F
3 PM
17°F
10%
13mph
WSW
Cloudy
Humidity
84%
Feels like
3°F
Dew Point
13°F
4 PM
17°F
30%
13mph
WSW
30% Chance of Snow
Humidity
87%
Feels like
3°F
Dew Point
14°F
4:48 PM
5 PM
17°F
30%
12mph
WSW
30% Chance of Snow
Humidity
90%
Feels like
4°F
Dew Point
15°F
6 PM
18°F
30%
12mph
WSW
30% Chance of Snow
Humidity
87%
Feels like
6°F
Dew Point
15°F
7 PM
20°F
30%
11mph
WSW
30 % Chance of Heavy Snow
Humidity
83%
Feels like
8°F
Dew Point
15°F
8 PM
21°F
30%
11mph
W
30 % Chance of Heavy Snow
Humidity
83%
Feels like
9°F
Dew Point
16°F
9 PM
21°F
30%
11mph
W
30 % Chance of Heavy Snow
Humidity
81%
Feels like
9°F
Dew Point
16°F
10 PM
19°F
30%
11mph
W
30% Chance of Snow
Humidity
81%
Feels like
8°F
Dew Point
15°F
11 PM
18°F
0%
11mph
W
Mostly Cloudy
Humidity
79%
Feels like
6°F
Dew Point
13°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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