BALLWIN, MO 63021 Weather Forecast & Current Conditions

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SPIRIT OF ST. LOUIS, MO
Current Weather

10:54 AM CDT JUN 2, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 57°F
Rel. Hum.: 54%
Visibility: 10 miles
Wind: ENE at 9 mph
Pressure: 30.22 inches
Last 72 hours

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BALLWIN, MO 63021
Weather Forecast

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TODAY
Sunny. Highs around 80. East winds 10 to 15 mph.
TONIGHT
Mostly clear. Lows in the mid 50s. East winds 5 to 10 mph.
WEDNESDAY
Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly clear. Lows around 60. Southeast winds 5 to 10 mph.
THURSDAY
Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
FRIDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 40 percent.
SUNDAY AND SUNDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows around 70. Chance of rain 50 percent.
MONDAY
Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.

Visible Weather Satellite
BALLWIN, MO 63021
Infrared Weather Satellite
BALLWIN, MO 63021
NEXRAD Weather Radar
BALLWIN, MO 63021

SPIRIT OF ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  6:00 AM MDT  6/ 2/2026
Tuesday
2 JUN 2026
BALLWIN, MO 63021 weather forecast Day 1, 12 hours 1 PM 78° 79° Partly Cloudy 0%

0% Thunder
( 2% severe)
E   10 43% 54°
High 81° BALLWIN, MO 63021 weather forecast Day 1, 15 hours 4 PM 80° 80° Partly Cloudy E   10 38% 52°
Partly Cloudy



BALLWIN, MO 63021 weather forecast Day 1, 18 hours 7 PM 77° 78° Partly Cloudy 0%

0% Thunder
( 1% severe)
E   8 40% 51°
BALLWIN, MO 63021 weather forecast Day 1, 21 hours 10 PM 68° 68° Partly Cloudy E   6 57% 52°
Wednesday
3 JUN 2026
BALLWIN, MO 63021 weather forecast Day 2, 0 hours 1 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 1% severe)
ESE   3 62% 50°
Low 55° BALLWIN, MO 63021 weather forecast Day 2, 3 hours 4 AM 58° 59° Partly Cloudy   CALM 69% 48°
High 80° BALLWIN, MO 63021 weather forecast Day 2, 6 hours 7 AM 59° 60° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 72% 50°

Clear



BALLWIN, MO 63021 weather forecast Day 2, 9 hours 10 AM 71° 71° Clear ESE   3 49% 51°
BALLWIN, MO 63021 weather forecast Day 2, 12 hours 1 PM 77° 78° Clear 0%

0% Thunder
( 2% severe)
ESE   7 39% 50°
BALLWIN, MO 63021 weather forecast Day 2, 15 hours 4 PM 80° 80° Clear SE   7 36% 51°
BALLWIN, MO 63021 weather forecast Day 2, 18 hours 7 PM 78° 79° Clear 0%

0% Thunder
( 2% severe)
SE   6 43% 54°
BALLWIN, MO 63021 weather forecast Day 2, 21 hours 10 PM 68° 68° Partly Cloudy SE   3 63% 55°
Thursday
4 JUN 2026
BALLWIN, MO 63021 weather forecast Day 3, 0 hours 1 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 73% 55°
Low 58° BALLWIN, MO 63021 weather forecast Day 3, 3 hours 4 AM 61° 62° Partly Cloudy   CALM 78% 54°
High 86° BALLWIN, MO 63021 weather forecast Day 3, 6 hours 7 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 78% 56°

Partly Cloudy



BALLWIN, MO 63021 weather forecast Day 3, 9 hours 10 AM 76° 78° Partly Cloudy S   6 56% 59°
BALLWIN, MO 63021 weather forecast Day 3, 15 hours 1 PM 83° 82° Partly Cloudy 0%

0% Thunder
( 6% severe)
S   8 41% 57°
BALLWIN, MO 63021 weather forecast Day 3, 18 hours 4 PM 85° 84° Partly Cloudy S   9 37% 56°
BALLWIN, MO 63021 weather forecast Day 3, 21 hours 7 PM 83° 82° Partly Cloudy     S   8 41% 57°

SPIRIT OF ST. LOUIS, MO extended weather forecast

Friday
5 JUN 2026
Saturday
6 JUN 2026
Sunday
7 JUN 2026
Monday
8 JUN 2026
Tuesday
9 JUN 2026
Low 65° Low 68° Low 66° Low 64° Low 63°
High 87° High 83° High 85° High 86° High 84°
BALLWIN, MO 63021 weather forecast Day 4 BALLWIN, MO 63021 weather forecast Day 5 BALLWIN, MO 63021 weather forecast Day 6 BALLWIN, MO 63021 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
32% Rain
Overcast
68% Rain
Partly Cloudy
24% Rain
Partly Cloudy
15% Rain
Partly Cloudy
14% Rain
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