O FALLON, MO 63368 Weather Forecast & Current Conditions

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SPIRIT OF ST. LOUIS, MO
Current Weather

3:54 AM CDT JUN 20, 2025
Clear
64°F
Feels Like: 64°F
Dewpoint: 63°F
Rel. Hum.: 97%
Visibility: 8 miles
Wind: Calm
Pressure: 30.00 inches
Last 72 hours

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O FALLON, MO 63368
Weather Forecast

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TODAY
Sunny. Highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 100 this afternoon.
TONIGHT
Mostly clear. Not as cool with lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 100 early in the evening.
SATURDAY
Sunny, hot with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 109.
SATURDAY NIGHT
Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening.
SUNDAY
Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106.
SUNDAY NIGHT AND MONDAY
Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 100 early in the evening.
TUESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening.
WEDNESDAY
Sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 100.
WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.

Visible Weather Satellite
O FALLON, MO 63368
Infrared Weather Satellite
O FALLON, MO 63368
NEXRAD Weather Radar
O FALLON, MO 63368

SPIRIT OF ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  6:00 PM MDT  6/19/2025
Friday
20 JUN 2025
O FALLON, MO 63368 weather forecast Day 1, 0 hours 1 AM 68° 68° Clear 1%

0% Thunder
( 1% severe)
SSW   1 87% 64°
Low 66° O FALLON, MO 63368 weather forecast Day 1, 3 hours 4 AM 67° 67° Clear S   1 87% 63°
High 92° O FALLON, MO 63368 weather forecast Day 1, 6 hours 7 AM 69° 69° Clear 1%

0% Thunder
( 4% severe)
S   3 84% 64°

Clear



O FALLON, MO 63368 weather forecast Day 1, 9 hours 10 AM 81° 84° Clear SSW   8 63% 67°
O FALLON, MO 63368 weather forecast Day 1, 12 hours 1 PM 88° 92° Clear 1%

0% Thunder
( 12% severe)
SSW   9 52% 68°
O FALLON, MO 63368 weather forecast Day 1, 15 hours 4 PM 91° 97° Partly Cloudy S   10 50% 70°
O FALLON, MO 63368 weather forecast Day 1, 18 hours 7 PM 89° 95° Clear 0%

0% Thunder
( 8% severe)
S   9 56% 71°
O FALLON, MO 63368 weather forecast Day 1, 21 hours 10 PM 82° 86° Clear S   9 69% 71°
Saturday
21 JUN 2025
O FALLON, MO 63368 weather forecast Day 2, 0 hours 1 AM 79° 82° Clear 0%

0% Thunder
( 6% severe)
S   9 77% 71°
Low 76° O FALLON, MO 63368 weather forecast Day 2, 3 hours 4 AM 77° 79° Clear SSW   8 82% 71°
High 95° O FALLON, MO 63368 weather forecast Day 2, 6 hours 7 AM 78° 80° Clear 0%

0% Thunder
( 7% severe)
SSW   8 82% 72°

Clear



O FALLON, MO 63368 weather forecast Day 2, 9 hours 10 AM 86° 93° Clear SSW   12 65% 73°
O FALLON, MO 63368 weather forecast Day 2, 12 hours 1 PM 92° 101° Clear 0%

0% Thunder
( 12% severe)
SSW   13 54% 73°
O FALLON, MO 63368 weather forecast Day 2, 15 hours 4 PM 94° 102° Clear SSW   13 49% 72°
O FALLON, MO 63368 weather forecast Day 2, 18 hours 7 PM 91° 99° Clear 0%

0% Thunder
( 9% severe)
SSW   10 54% 72°
O FALLON, MO 63368 weather forecast Day 2, 21 hours 10 PM 84° 89° Partly Cloudy S   9 65% 71°

SPIRIT OF ST. LOUIS, MO extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 73° Low 73° Low 73° Low 73° Low 72°
High 97° High 97° High 95° High 93° High 91°
O FALLON, MO 63368 weather forecast Day 3 O FALLON, MO 63368 weather forecast Day 4 O FALLON, MO 63368 weather forecast Day 5 O FALLON, MO 63368 weather forecast Day 6 O FALLON, MO 63368 weather forecast Day 7
Clear
8% Rain
Clear
11% Rain
Partly Cloudy
24% Rain
Partly Cloudy
35% Rain
Partly Cloudy
45% Rain
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