NimbocastRound Lake, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Round Lake, Lake County, Illinois.
Updated Jul 29, 2026, 2:18 PM local time · Radar refreshes every 5 minutes
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Round Lake
80°F
Wind 8 mph
Humidity 33%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Round Lake, IL.
Round Lake weather radar
Light
Heavy
Next 24 hours
Now
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80°F
3 PM
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80°F
4 PM
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80°F
5 PM
☀️
79°F
6 PM
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78°F
7 PM
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76°F
8 PM
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73°F
9 PM
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69°F
10 PM
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67°F
11 PM
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65°F
12 AM
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64°F
1 AM
☀️
63°F
2 AM
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62°F
3 AM
☀️
61°F
4 AM
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59°F
5 AM
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58°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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75°F
10 AM
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79°F
11 AM
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82°F
12 PM
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85°F
1 PM
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87°F
7-day forecast
Today
Jul 29
☀️
80°F
58°F
Thu
Jul 30
☁️
89°F
58°F
Fri
Jul 31
🌦️
79°F
64°F
73%
Sat
Aug 1
🌧️
67°F
63°F
76%
Sun
Aug 2
☁️
76°F
59°F
9%
Mon
Aug 3
🌤️
82°F
58°F
3%
Tue
Aug 4
☀️
83°F
62°F
4%
Weather near Round Lake
1 mi
Round Lake Beach, IL3 mi
Grayslake, IL8 mi
Mundelein, IL9 mi
McHenry, IL9 mi
Libertyville, IL10 mi
Gurnee, IL11 mi
Vernon Hills, IL11 mi
Lake Zurich, 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.