NimbocastBelvidere, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Belvidere, Boone County, Illinois.
Updated Jul 29, 2026, 2:57 PM local time · Radar refreshes every 5 minutes
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Belvidere
82°F
Wind 9 mph
Humidity 35%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Belvidere, IL.
Belvidere weather radar
Light
Heavy
Next 24 hours
Now
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82°F
3 PM
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82°F
4 PM
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83°F
5 PM
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83°F
6 PM
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82°F
7 PM
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80°F
8 PM
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75°F
9 PM
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71°F
10 PM
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68°F
11 PM
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67°F
12 AM
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65°F
1 AM
☀️
63°F
2 AM
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62°F
3 AM
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61°F
4 AM
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60°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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68°F
9 AM
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73°F
10 AM
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78°F
11 AM
⛅
82°F
12 PM
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85°F
1 PM
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87°F
7-day forecast
Today
Jul 29
☀️
83°F
58°F
Thu
Jul 30
☁️
89°F
58°F
Fri
Jul 31
🌦️
74°F
63°F
79%
Sat
Aug 1
🌦️
70°F
61°F
74%
Sun
Aug 2
🌤️
77°F
58°F
10%
Mon
Aug 3
🌤️
80°F
57°F
4%
Tue
Aug 4
☀️
80°F
61°F
8%
Weather near Belvidere
11 mi
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Huntley, IL24 mi
DeKalb, 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.