NimbocastLemont, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Lemont, Cook County, Illinois.
Updated Jul 29, 2026, 2:17 PM local time · Radar refreshes every 5 minutes
☀️
Lemont
81°F
Wind 11 mph
Humidity 45%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Lemont, IL.
Lemont weather radar
Light
Heavy
Next 24 hours
Now
☀️
81°F
3 PM
☀️
81°F
4 PM
☀️
81°F
5 PM
☀️
80°F
6 PM
☀️
79°F
7 PM
☀️
77°F
8 PM
☀️
73°F
9 PM
☀️
70°F
10 PM
☀️
68°F
11 PM
☀️
66°F
12 AM
☀️
65°F
1 AM
☀️
64°F
2 AM
☀️
63°F
3 AM
☀️
63°F
4 AM
☀️
62°F
5 AM
☀️
62°F
6 AM
☀️
61°F
7 AM
☀️
63°F
8 AM
☀️
69°F
9 AM
☀️
75°F
10 AM
☀️
79°F
11 AM
☀️
82°F
12 PM
⛅
85°F
1 PM
☀️
87°F
7-day forecast
Today
Jul 29
☀️
81°F
61°F
Thu
Jul 30
☁️
90°F
61°F
Fri
Jul 31
🌦️
79°F
65°F
74%
Sat
Aug 1
⛈️
70°F
64°F
74%
Sun
Aug 2
☁️
78°F
62°F
12%
Mon
Aug 3
☀️
80°F
61°F
6%
Tue
Aug 4
☀️
81°F
61°F
5%
Weather near Lemont
4 mi
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Darien, IL8 mi
Orland Park, IL
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
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broadcasts.