ST PETERS, MO 63376 Weather Forecast & Current Conditions

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SPIRIT OF ST. LOUIS, MO
Current Weather

12:54 PM CDT JUN 30, 2026
Clear
Haze
91°F
Feels Like: 100°F
Dewpoint: 73°F
Rel. Hum.: 56%
Visibility: 6 miles
Wind: Variable at 6 mph
Pressure: 30.00 inches
Last 72 hours

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ST PETERS, MO 63376
Weather Forecast

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THIS AFTERNOON
Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 110.
TONIGHT
Clear with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 109 early in the evening.
WEDNESDAY
Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108.
WEDNESDAY NIGHT
Clear with lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening.
THURSDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 110.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening.
FRIDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 105.
FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 105 early in the evening.
INDEPENDENCE DAY AND SATURDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms. Hot. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 105.
SUNDAY AND SUNDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 105.
MONDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent.

Visible Weather Satellite
ST PETERS, MO 63376
Infrared Weather Satellite
ST PETERS, MO 63376
NEXRAD Weather Radar
ST PETERS, MO 63376

SPIRIT OF ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  6:00 AM MDT  6/30/2026
Tuesday
30 JUN 2026
ST PETERS, MO 63376 weather forecast Day 1, 12 hours 1 PM 92° 100° Clear 1%

0% Thunder
( 8% severe)
SW   9 52% 72°
High 96° ST PETERS, MO 63376 weather forecast Day 1, 15 hours 4 PM 95° 102° Clear SSW   9 45% 70°
Clear



ST PETERS, MO 63376 weather forecast Day 1, 18 hours 7 PM 93° 102° Clear 1%

0% Thunder
( 7% severe)
SSW   7 52% 73°
ST PETERS, MO 63376 weather forecast Day 1, 21 hours 10 PM 84° 90° Clear S   7 67% 72°
Wednesday
1 JUL 2026
ST PETERS, MO 63376 weather forecast Day 2, 0 hours 1 AM 81° 85° Clear 1%

0% Thunder
( 8% severe)
SSW   6 74% 72°
Low 76° ST PETERS, MO 63376 weather forecast Day 2, 3 hours 4 AM 78° 80° Clear SSW   5 79% 71°
High 95° ST PETERS, MO 63376 weather forecast Day 2, 6 hours 7 AM 78° 80° Clear 0%

0% Thunder
( 6% severe)
S   5 79% 71°

Clear



ST PETERS, MO 63376 weather forecast Day 2, 9 hours 10 AM 87° 93° Clear SW   7 61% 72°
ST PETERS, MO 63376 weather forecast Day 2, 12 hours 1 PM 93° 100° Clear 1%

0% Thunder
( 12% severe)
SSW   8 49% 71°
ST PETERS, MO 63376 weather forecast Day 2, 15 hours 4 PM 94° 100° Clear SSW   8 46% 70°
ST PETERS, MO 63376 weather forecast Day 2, 18 hours 7 PM 92° 101° Clear 1%

0% Thunder
( 11% severe)
S   6 54% 73°
ST PETERS, MO 63376 weather forecast Day 2, 21 hours 10 PM 85° 90° Clear S   7 63% 71°
Thursday
2 JUL 2026
ST PETERS, MO 63376 weather forecast Day 3, 0 hours 1 AM 82° 86° Clear 0%

0% Thunder
( 13% severe)
S   6 69% 71°
Low 77° ST PETERS, MO 63376 weather forecast Day 3, 3 hours 4 AM 79° 82° Clear SSW   3 74% 70°
High 95° ST PETERS, MO 63376 weather forecast Day 3, 6 hours 7 AM 79° 82° Clear 0%

0% Thunder
( 16% severe)
SSW   3 79% 72°

Clear

Chance of Rain

ST PETERS, MO 63376 weather forecast Day 3, 9 hours 10 AM 88° 96° Clear SSW   6 61% 73°
ST PETERS, MO 63376 weather forecast Day 3, 15 hours 1 PM 93° 101° Clear 20%
RAIN
***
0% Thunder
( 37% severe)
SW   7 51% 72°
ST PETERS, MO 63376 weather forecast Day 3, 18 hours 4 PM 93° 101° Partly Cloudy SSW   6 51% 72°
ST PETERS, MO 63376 weather forecast Day 3, 21 hours 7 PM 90° 100° Partly Cloudy     SSW   6 60% 74°

SPIRIT OF ST. LOUIS, MO extended weather forecast

Friday
3 JUL 2026
Saturday
4 JUL 2026
Sunday
5 JUL 2026
Monday
6 JUL 2026
Tuesday
7 JUL 2026
Low 70° Low 70° Low 71° Low 72° Low 73°
High 95° High 93° High 91° High 91° High 91°
ST PETERS, MO 63376 weather forecast Day 4 ST PETERS, MO 63376 weather forecast Day 5 ST PETERS, MO 63376 weather forecast Day 6 ST PETERS, MO 63376 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
58% Rain
Partly Cloudy
42% Rain
Mostly Cloudy
47% Rain
Partly Cloudy
38% Rain
Partly Cloudy
37% Rain
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