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Mehlville, MO Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Mehlville, Saint Louis County, Missouri.

Updated Jul 29, 2026, 3:45 PM local time · Radar refreshes every 5 minutes

☀️
Mehlville
Clear
87°F
Feels like 89°F
Wind 9 mph
Humidity 43%
Cloud cover 0%
UV index 8
Alerts 0

Active alerts

No active National Weather Service alerts for Mehlville, MO.

Mehlville weather radar

Light Heavy

Next 24 hours

Now
☀️
87°F
 
4 PM
☀️
87°F
 
5 PM
☀️
87°F
 
6 PM
☀️
86°F
 
7 PM
☀️
85°F
 
8 PM
☀️
80°F
 
9 PM
☀️
78°F
 
10 PM
☀️
76°F
 
11 PM
☀️
75°F
 
12 AM
☀️
73°F
 
1 AM
☀️
71°F
 
2 AM
☀️
70°F
 
3 AM
☀️
69°F
 
4 AM
☀️
68°F
 
5 AM
☀️
68°F
 
6 AM
☀️
67°F
 
7 AM
☀️
68°F
 
8 AM
🌤️
71°F
 
9 AM
74°F
 
10 AM
☀️
78°F
 
11 AM
☁️
82°F
 
12 PM
☀️
86°F
 
1 PM
☁️
88°F
 
2 PM
☁️
90°F
 

7-day forecast

Today
Jul 29
87°F
70°F
1%
Thu
Jul 30
☁️
90°F
67°F
Fri
Jul 31
🌧️
85°F
70°F
74%
Sat
Aug 1
🌦️
72°F
67°F
74%
Sun
Aug 2
☁️
81°F
64°F
15%
Mon
Aug 3
☀️
82°F
62°F
14%
Tue
Aug 4
☀️
85°F
62°F
11%

Weather near Mehlville

2 mi Concord, MO3 mi Oakville, MO3 mi Affton, MO3 mi Lemay, MO6 mi Webster Groves, MO6 mi Arnold, MO7 mi Kirkwood, MO9 mi Clayton, MO
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.