Hourly Weather Forecast - McHenry, IL

12 AM
42°F
30%
23mph
S
30% Chance of Light Rain
Humidity
66%
Feels like
33°F
Dew Point
31°F
1 AM
42°F
40%
24mph
SSW
40% Chance of Light Rain
Humidity
67%
Feels like
32°F
Dew Point
32°F
2 AM
42°F
60%
25mph
SSW
60% Chance of Light Rain
Humidity
70%
Feels like
32°F
Dew Point
33°F
3 AM
42°F
70%
26mph
SSW
70% Chance of Light Rain
Humidity
74%
Feels like
32°F
Dew Point
34°F
4 AM
42°F
60%
26mph
SW
60% Chance of Light Rain
Humidity
75%
Feels like
32°F
Dew Point
35°F
5 AM
42°F
40%
26mph
SW
40% Chance of Light Rain
Humidity
74%
Feels like
31°F
Dew Point
34°F
6 AM
41°F
20%
25mph
WSW
Windy
Humidity
71%
Feels like
31°F
Dew Point
33°F
7 AM
41°F
10%
25mph
WSW
Windy
Humidity
68%
Feels like
31°F
Dew Point
31°F
7:08 AM
8 AM
41°F
10%
25mph
WSW
Windy
Humidity
67%
Feels like
31°F
Dew Point
31°F
9 AM
42°F
0%
27mph
W
Windy
Humidity
63%
Feels like
31°F
Dew Point
30°F
10 AM
42°F
10%
28mph
W
Windy
Humidity
60%
Feels like
32°F
Dew Point
29°F
11 AM
42°F
10%
28mph
W
Windy
Humidity
57%
Feels like
32°F
Dew Point
28°F
12 PM
43°F
10%
27mph
W
Windy
Humidity
52%
Feels like
33°F
Dew Point
26°F
1 PM
44°F
10%
26mph
W
Windy
Humidity
47%
Feels like
35°F
Dew Point
25°F
2 PM
46°F
0%
25mph
WNW
Windy
Humidity
42%
Feels like
37°F
Dew Point
24°F
3 PM
46°F
0%
23mph
WNW
Windy
Humidity
40%
Feels like
37°F
Dew Point
23°F
4 PM
44°F
0%
21mph
WNW
Windy
Humidity
40%
Feels like
36°F
Dew Point
22°F
5 PM
41°F
0%
18mph
WNW
Mostly Sunny
Humidity
43%
Feels like
32°F
Dew Point
20°F
6 PM
38°F
0%
15mph
WNW
Mostly Sunny
Humidity
45%
Feels like
29°F
Dew Point
19°F
6:57 PM
7 PM
36°F
0%
13mph
WNW
Mostly Clear
Humidity
48%
Feels like
27°F
Dew Point
18°F
8 PM
35°F
0%
11mph
WNW
Clear
Humidity
49%
Feels like
28°F
Dew Point
18°F
9 PM
34°F
0%
9mph
WNW
Clear
Humidity
52%
Feels like
27°F
Dew Point
18°F
10 PM
33°F
0%
8mph
WNW
Clear
Humidity
55%
Feels like
26°F
Dew Point
19°F
11 PM
32°F
0%
7mph
WNW
Clear
Humidity
58%
Feels like
26°F
Dew Point
19°F

Today's Severe Weather Outlook

Severe Storms Rally from Gulf Coast to Mid-Atlantic

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide