NimbocastMount Prospect, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Mount Prospect, Cook County, Illinois.
Updated Jul 29, 2026, 2:17 PM local time · Radar refreshes every 5 minutes
☀️
Mount Prospect
80°F
Wind 10 mph
Humidity 39%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Mount Prospect, IL.
Mount Prospect weather radar
Light
Heavy
Next 24 hours
Now
☀️
80°F
3 PM
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80°F
4 PM
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81°F
5 PM
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80°F
6 PM
☀️
79°F
7 PM
☀️
77°F
8 PM
☀️
74°F
9 PM
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70°F
10 PM
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68°F
11 PM
☀️
67°F
12 AM
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65°F
1 AM
☀️
64°F
2 AM
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64°F
3 AM
☀️
63°F
4 AM
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62°F
5 AM
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61°F
6 AM
☀️
61°F
7 AM
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63°F
8 AM
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71°F
9 AM
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77°F
10 AM
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81°F
11 AM
☀️
84°F
12 PM
🌤️
87°F
1 PM
☀️
89°F
7-day forecast
Today
Jul 29
☀️
81°F
61°F
Thu
Jul 30
☁️
91°F
61°F
Fri
Jul 31
🌦️
83°F
68°F
73%
Sat
Aug 1
🌦️
69°F
65°F
73%
Sun
Aug 2
☁️
77°F
63°F
12%
Mon
Aug 3
☀️
83°F
64°F
4%
Tue
Aug 4
☀️
86°F
67°F
5%
Weather near Mount Prospect
2 mi
Prospect Heights, IL3 mi
Arlington Heights, IL4 mi
Des Plaines, IL4 mi
Rolling Meadows, IL5 mi
Wheeling, IL5 mi
Elk Grove Village, IL6 mi
Palatine, IL6 mi
Buffalo Grove, 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.