NimbocastSaint Peters, MO Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Saint Peters, Saint Charles County, Missouri.
Updated Jul 29, 2026, 3:44 PM local time · Radar refreshes every 5 minutes
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Saint Peters
88°F
Wind 8 mph
Humidity 41%
Cloud cover 0%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Saint Peters, MO.
Saint Peters weather radar
Light
Heavy
Next 24 hours
Now
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87°F
4 PM
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88°F
5 PM
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88°F
6 PM
☀️
87°F
7 PM
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85°F
8 PM
☀️
81°F
9 PM
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78°F
10 PM
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75°F
11 PM
☀️
74°F
12 AM
☀️
72°F
1 AM
☀️
71°F
2 AM
☀️
70°F
3 AM
☀️
68°F
4 AM
☀️
67°F
5 AM
☀️
66°F
6 AM
☀️
65°F
7 AM
☀️
66°F
8 AM
⛅
71°F
9 AM
☁️
75°F
10 AM
☁️
80°F
11 AM
☀️
83°F
12 PM
⛅
85°F
1 PM
⛅
87°F
2 PM
☁️
89°F
7-day forecast
Today
Jul 29
☁️
88°F
71°F
1%
Thu
Jul 30
☁️
90°F
65°F
Fri
Jul 31
🌧️
87°F
72°F
73%
Sat
Aug 1
🌧️
73°F
66°F
73%
Sun
Aug 2
☁️
82°F
65°F
14%
Mon
Aug 3
☀️
83°F
61°F
11%
Tue
Aug 4
⛅
89°F
64°F
9%
Weather near Saint Peters
4 mi
O'Fallon, MO8 mi
Saint Charles, MO10 mi
Chesterfield, MO12 mi
Wentzville, MO12 mi
Maryland Heights, MO14 mi
Hazelwood, MO15 mi
Wildwood, MO15 mi
Ballwin, 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.