NimbocastArlington Heights, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Arlington Heights, Cook County, Illinois.
Updated Jul 29, 2026, 2:19 PM local time · Radar refreshes every 5 minutes
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Arlington Heights
79°F
Wind 10 mph
Humidity 39%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Arlington Heights, IL.
Arlington Heights weather radar
Light
Heavy
Next 24 hours
Now
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79°F
3 PM
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80°F
4 PM
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80°F
5 PM
☀️
80°F
6 PM
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78°F
7 PM
☀️
77°F
8 PM
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73°F
9 PM
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70°F
10 PM
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68°F
11 PM
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66°F
12 AM
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65°F
1 AM
☀️
64°F
2 AM
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64°F
3 AM
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63°F
4 AM
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62°F
5 AM
☀️
62°F
6 AM
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61°F
7 AM
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63°F
8 AM
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70°F
9 AM
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76°F
10 AM
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80°F
11 AM
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83°F
12 PM
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86°F
1 PM
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88°F
7-day forecast
Today
Jul 29
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80°F
61°F
Thu
Jul 30
☁️
91°F
61°F
Fri
Jul 31
🌧️
82°F
67°F
72%
Sat
Aug 1
🌧️
67°F
65°F
72%
Sun
Aug 2
☁️
77°F
62°F
11%
Mon
Aug 3
☀️
85°F
63°F
4%
Tue
Aug 4
☀️
87°F
66°F
5%
Weather near Arlington Heights
2 mi
Rolling Meadows, IL2 mi
Prospect Heights, IL3 mi
Palatine, IL3 mi
Mount Prospect, IL4 mi
Buffalo Grove, IL4 mi
Wheeling, IL6 mi
Des Plaines, IL6 mi
Hoffman Estates, 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.