NimbocastBallwin, MO Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Ballwin, Saint Louis County, Missouri.
Updated Jul 29, 2026, 4:07 PM local time · Radar refreshes every 5 minutes
☀️
Ballwin
88°F
Wind 7 mph
Humidity 44%
Cloud cover 2%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Ballwin, MO.
Ballwin weather radar
Light
Heavy
Next 24 hours
Now
☀️
88°F
5 PM
☀️
88°F
6 PM
☀️
87°F
7 PM
☀️
85°F
8 PM
☀️
82°F
9 PM
☀️
79°F
10 PM
☀️
77°F
11 PM
☀️
75°F
12 AM
☀️
74°F
1 AM
☀️
73°F
2 AM
☀️
72°F
3 AM
☀️
70°F
4 AM
☀️
69°F
5 AM
☀️
68°F
6 AM
☀️
67°F
7 AM
☀️
69°F
8 AM
🌤️
73°F
9 AM
☁️
78°F
10 AM
☀️
81°F
11 AM
⛅
85°F
12 PM
☀️
87°F
1 PM
☀️
89°F
2 PM
☁️
91°F
3 PM
☁️
92°F
7-day forecast
Today
Jul 29
⛅
88°F
71°F
2%
Thu
Jul 30
☁️
92°F
67°F
Fri
Jul 31
🌦️
87°F
70°F
79%
Sat
Aug 1
🌧️
72°F
67°F
79%
Sun
Aug 2
☁️
82°F
65°F
14%
Mon
Aug 3
☀️
86°F
64°F
16%
Tue
Aug 4
🌤️
87°F
66°F
13%
Weather near Ballwin
2 mi
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Concord, 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.