NimbocastSycamore, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Sycamore, DeKalb County, Illinois.
Updated Jul 29, 2026, 2:17 PM local time · Radar refreshes every 5 minutes
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Sycamore
82°F
Wind 10 mph
Humidity 36%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Sycamore, IL.
Sycamore weather radar
Light
Heavy
Next 24 hours
Now
☀️
81°F
3 PM
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82°F
4 PM
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82°F
5 PM
☀️
82°F
6 PM
☀️
81°F
7 PM
☀️
78°F
8 PM
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73°F
9 PM
☀️
70°F
10 PM
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67°F
11 PM
☀️
65°F
12 AM
☀️
64°F
1 AM
☀️
62°F
2 AM
☀️
61°F
3 AM
☀️
60°F
4 AM
☀️
59°F
5 AM
☀️
58°F
6 AM
☀️
57°F
7 AM
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62°F
8 AM
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68°F
9 AM
☀️
74°F
10 AM
☀️
78°F
11 AM
⛅
81°F
12 PM
⛅
83°F
1 PM
☁️
85°F
7-day forecast
Today
Jul 29
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82°F
58°F
Thu
Jul 30
☁️
87°F
57°F
Fri
Jul 31
🌦️
73°F
63°F
76%
Sat
Aug 1
🌧️
68°F
63°F
74%
Sun
Aug 2
☁️
76°F
58°F
10%
Mon
Aug 3
🌤️
78°F
57°F
5%
Tue
Aug 4
☀️
77°F
60°F
8%
Weather near Sycamore
5 mi
DeKalb, IL15 mi
Wasco, IL18 mi
Huntley, IL20 mi
St. Charles, IL20 mi
South Elgin, IL21 mi
Elgin, IL21 mi
Batavia, IL21 mi
Belvidere, 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.