Hourly Weather Forecast - McHenry, IL

12 AM
22°F
0%
3mph
E
Mostly Clear
Humidity
79%
Feels like
18°F
Dew Point
17°F
1 AM
22°F
0%
3mph
E
Mostly Clear
Humidity
80%
Feels like
17°F
Dew Point
17°F
2 AM
21°F
0%
3mph
E
Clear
Humidity
82%
Feels like
17°F
Dew Point
17°F
3 AM
21°F
0%
3mph
E
Clear
Humidity
83%
Feels like
16°F
Dew Point
16°F
4 AM
20°F
0%
4mph
E
Clear
Humidity
83%
Feels like
15°F
Dew Point
16°F
5 AM
20°F
0%
4mph
ESE
Clear
Humidity
82%
Feels like
14°F
Dew Point
16°F
6 AM
22°F
0%
5mph
ESE
Clear
Humidity
80%
Feels like
16°F
Dew Point
17°F
6:27 AM
7 AM
26°F
0%
6mph
SE
Sunny
Humidity
72%
Feels like
19°F
Dew Point
18°F
8 AM
30°F
0%
7mph
SE
Sunny
Humidity
63%
Feels like
24°F
Dew Point
19°F
9 AM
35°F
0%
8mph
SE
Sunny
Humidity
54%
Feels like
28°F
Dew Point
19°F
10 AM
37°F
0%
9mph
SE
Sunny
Humidity
47%
Feels like
31°F
Dew Point
19°F
11 AM
39°F
0%
9mph
SE
Sunny
Humidity
44%
Feels like
33°F
Dew Point
19°F
12 PM
41°F
0%
9mph
SSE
Sunny
Humidity
41%
Feels like
35°F
Dew Point
19°F
1 PM
42°F
0%
8mph
SE
Sunny
Humidity
41%
Feels like
37°F
Dew Point
20°F
2 PM
42°F
10%
8mph
SE
Mostly Sunny
Humidity
42%
Feels like
38°F
Dew Point
21°F
3 PM
42°F
10%
8mph
SE
Mostly Sunny
Humidity
45%
Feels like
37°F
Dew Point
22°F
4 PM
40°F
10%
6mph
SE
Mostly Sunny
Humidity
50%
Feels like
36°F
Dew Point
23°F
5 PM
37°F
10%
5mph
ESE
Partly Cloudy
Humidity
56%
Feels like
33°F
Dew Point
23°F
5:44 PM
6 PM
34°F
10%
4mph
ESE
Partly Cloudy
Humidity
61%
Feels like
30°F
Dew Point
22°F
7 PM
33°F
10%
4mph
ESE
Partly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
23°F
8 PM
33°F
0%
4mph
ESE
Mostly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
23°F
9 PM
33°F
0%
4mph
ESE
Mostly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
24°F
10 PM
32°F
0%
3mph
SE
Mostly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
25°F
11 PM
32°F
0%
3mph
SE
Cloudy
Humidity
78%
Feels like
32°F
Dew Point
26°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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