NimbocastMcHenry, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for McHenry, McHenry County, Illinois.
Updated Jul 29, 2026, 2:16 PM local time · Radar refreshes every 5 minutes
☀️
McHenry
79°F
Wind 7 mph
Humidity 39%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for McHenry, IL.
McHenry weather radar
Light
Heavy
Next 24 hours
Now
☀️
79°F
3 PM
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80°F
4 PM
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80°F
5 PM
☀️
79°F
6 PM
☀️
78°F
7 PM
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75°F
8 PM
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72°F
9 PM
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69°F
10 PM
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67°F
11 PM
☀️
65°F
12 AM
☀️
64°F
1 AM
☀️
63°F
2 AM
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62°F
3 AM
☀️
62°F
4 AM
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61°F
5 AM
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59°F
6 AM
☀️
58°F
7 AM
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61°F
8 AM
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67°F
9 AM
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73°F
10 AM
☀️
78°F
11 AM
☀️
81°F
12 PM
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83°F
1 PM
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84°F
7-day forecast
Today
Jul 29
☀️
80°F
59°F
Thu
Jul 30
☁️
87°F
58°F
Fri
Jul 31
🌦️
78°F
63°F
72%
Sat
Aug 1
🌧️
67°F
63°F
77%
Sun
Aug 2
⛅
76°F
58°F
8%
Mon
Aug 3
☀️
81°F
57°F
2%
Tue
Aug 4
☀️
82°F
62°F
6%
Weather near McHenry
7 mi
Crystal Lake, IL9 mi
Round Lake Beach, IL9 mi
Woodstock, IL9 mi
Round Lake, IL9 mi
Cary, IL11 mi
Lake in the Hills, IL12 mi
Algonquin, IL12 mi
Grayslake, IL
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.