ST PETERS, MO 63304 Weather Forecast & Current Conditions

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SPIRIT OF ST. LOUIS, MO
Current Weather

1:54 PM CDT APR 3, 2026
Broken Clouds
82°F
Feels Like: 83°F
Dewpoint: 63°F
Rel. Hum.: 53%
Visibility: 10 miles
Wind: SSE at 13 mph, gusts to 21
Pressure: 29.93 inches
Last 72 hours

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ST PETERS, MO 63304
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. South winds 15 to 20 mph. Chance of rain 30 percent.
TONIGHT
A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.
SATURDAY
Cloudy with showers with a chance of thunderstorms in the morning, then partly sunny with a chance of showers in the afternoon. Much cooler. Less humid with highs in the lower 60s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Much cooler with lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY
Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.
SUNDAY NIGHT
Clear. Lows around 40.
MONDAY
Sunny. Highs in the lower 60s.
MONDAY NIGHT
Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 30s. Chance of rain 20 percent.
TUESDAY AND TUESDAY NIGHT
Mostly cloudy. Highs in the mid 50s. Lows around 40.
WEDNESDAY
Mostly sunny. Not as cool with highs in the lower 70s.
WEDNESDAY NIGHT
Mostly clear. Not as cool with lows in the mid 50s.
THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.

Visible Weather Satellite
ST PETERS, MO 63304
Infrared Weather Satellite
ST PETERS, MO 63304
NEXRAD Weather Radar
ST PETERS, MO 63304

SPIRIT OF ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  5:00 AM MST  4/ 3/2026
Friday
3 APR 2026
ST PETERS, MO 63304 weather forecast Day 1, 12 hours 12 PM 78° 80° Mostly Cloudy 45%
RAIN
.1–.25 in
0% Thunder
( 30% severe)
S   13 60% 63°
High 81° ST PETERS, MO 63304 weather forecast Day 1, 15 hours 3 PM 80° 81° Mostly Cloudy SSW   13 54% 62°
Mostly Cloudy

Rain Likely

ST PETERS, MO 63304 weather forecast Day 1, 18 hours 6 PM 78° 79° Mostly Cloudy 69%
RAIN
.1–.25 in
0% Thunder
( 49% severe)
S   9 54% 60°
ST PETERS, MO 63304 weather forecast Day 1, 21 hours 9 PM 72° 72° Mostly Cloudy S   9 64% 59°
Saturday
4 APR 2026
ST PETERS, MO 63304 weather forecast Day 2, 0 hours 12 AM 70° 70° Mostly Cloudy 99%
RAIN
***
0% Thunder
( 37% severe)
S   10 71% 60°
Low 52° ST PETERS, MO 63304 weather forecast Day 2, 3 hours 3 AM 64° 64° Mostly Cloudy SW   9 81% 58°
High 61° ST PETERS, MO 63304 weather forecast Day 2, 6 hours 6 AM 58° 56° Mostly Cloudy 69%
RAIN
>2 in
0% Thunder
( 7% severe)
W   9 87% 54°

Mostly Cloudy

Rain Likely

ST PETERS, MO 63304 weather forecast Day 2, 9 hours 9 AM 55° 52° Mostly Cloudy WNW   12 77% 48°
ST PETERS, MO 63304 weather forecast Day 2, 12 hours 12 PM 55° 52° Mostly Cloudy 16%
RAIN
.01–.1 in
0% Thunder
( 1% severe)
WNW   13 64% 43°
ST PETERS, MO 63304 weather forecast Day 2, 15 hours 3 PM 56° 53° Mostly Cloudy WNW   14 53% 39°
ST PETERS, MO 63304 weather forecast Day 2, 18 hours 6 PM 53° 49° Partly Cloudy 1%

0% Thunder
( 1% severe)
WNW   12 50% 35°
ST PETERS, MO 63304 weather forecast Day 2, 21 hours 9 PM 47° 43° Partly Cloudy WNW   9 58% 33°
Sunday
5 APR 2026
ST PETERS, MO 63304 weather forecast Day 3, 0 hours 12 AM 44° 40° Partly Cloudy 1%

0% Thunder
( 1% severe)
WNW   7 62% 32°
Low 37° ST PETERS, MO 63304 weather forecast Day 3, 3 hours 3 AM 41° 36° Partly Cloudy WNW   7 67% 31°
High 60° ST PETERS, MO 63304 weather forecast Day 3, 6 hours 6 AM 38° 33° Partly Cloudy 1%

0% Thunder
( 0% severe)
WNW   7 76% 31°

Clear



ST PETERS, MO 63304 weather forecast Day 3, 9 hours 9 AM 46° 41° Clear NW   10 56% 31°
ST PETERS, MO 63304 weather forecast Day 3, 15 hours 12 PM 54° 51° Clear 1%

0% Thunder
( 0% severe)
NW   12 43% 32°
ST PETERS, MO 63304 weather forecast Day 3, 18 hours 3 PM 59° 57° Clear NW   10 36% 32°
ST PETERS, MO 63304 weather forecast Day 3, 21 hours 6 PM 56° 55° Clear     NW   5 42% 33°

SPIRIT OF ST. LOUIS, MO extended weather forecast

Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Friday
10 APR 2026
Low 38° Low 31° Low 37° Low 48° Low 52°
High 59° High 55° High 67° High 70° High 74°
ST PETERS, MO 63304 weather forecast Day 4 ST PETERS, MO 63304 weather forecast Day 5 ST PETERS, MO 63304 weather forecast Day 6 ST PETERS, MO 63304 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
25% Rain
Mostly Cloudy
27% Rain
Partly Cloudy
20% Rain
Partly Cloudy
25% Rain
Partly Cloudy
28% Rain
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