O FALLON, MO 63366 Weather Forecast & Current Conditions

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SPIRIT OF ST. LOUIS, MO
Current Weather

4:54 PM CDT APR 25, 2025
Scattered Clouds
77°F
Feels Like: 79°F
Dewpoint: 61°F
Rel. Hum.: 58%
Visibility: 10 miles
Wind: NW at 15 mph
Pressure: 29.95 inches
Last 72 hours

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O FALLON, MO 63366
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy. Lows in the lower 50s. Northwest winds 5 to 10 mph.
SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. Cooler with highs in the upper 60s. Northeast winds 5 to 10 mph.
SATURDAY NIGHT
Mostly cloudy. Isolated showers after midnight. Lows in the upper 40s. East winds 5 to 10 mph. Chance of rain 20 percent.
SUNDAY
Mostly cloudy with scattered showers. Highs in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 50s. Southeast winds 5 to 10 mph.
MONDAY
Mostly sunny. Not as cool with highs in the mid 80s.
MONDAY NIGHT
Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Not as cool with lows in the upper 60s. Chance of rain 40 percent.
TUESDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
TUESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Cooler with lows in the upper 50s. Chance of rain 50 percent.
WEDNESDAY
Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Cooler with highs around 70. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 70 percent.
THURSDAY
Showers likely with a slight chance of thunderstorms. Highs in the lower 70s. Chance of rain 70 percent.
THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers, mainly in the evening. Lows in the mid 50s. Chance of rain 50 percent.

Visible Weather Satellite
O FALLON, MO 63366
Infrared Weather Satellite
O FALLON, MO 63366
NEXRAD Weather Radar
O FALLON, MO 63366

SPIRIT OF ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  6:00 AM MDT  4/25/2025
Friday
25 APR 2025
O FALLON, MO 63366 weather forecast Day 1, 12 hours 1 PM 75° 75° Partly Cloudy 35%
RAIN
***
0% Thunder
( 37% severe)
WNW   7 62% 61°
High 78° O FALLON, MO 63366 weather forecast Day 1, 15 hours 4 PM 77° 79° Partly Cloudy WNW   8 56% 60°
Partly Cloudy

Chance of Rain

O FALLON, MO 63366 weather forecast Day 1, 18 hours 7 PM 73° 73° Partly Cloudy 8%

0% Thunder
( 13% severe)
NW   6 62% 59°
O FALLON, MO 63366 weather forecast Day 1, 21 hours 10 PM 64° 64° Partly Cloudy NNW   6 78% 57°
Saturday
26 APR 2025
O FALLON, MO 63366 weather forecast Day 2, 0 hours 1 AM 59° 58° Partly Cloudy 2%

0% Thunder
( 2% severe)
NNW   7 80% 53°
Low 51° O FALLON, MO 63366 weather forecast Day 2, 3 hours 4 AM 55° 53° Mostly Cloudy N   7 80% 49°
High 68° O FALLON, MO 63366 weather forecast Day 2, 6 hours 7 AM 53° 51° Mostly Cloudy 3%

0% Thunder
( 2% severe)
N   7 80% 47°

Mostly Cloudy



O FALLON, MO 63366 weather forecast Day 2, 9 hours 10 AM 58° 57° Mostly Cloudy NNE   7 67% 47°
O FALLON, MO 63366 weather forecast Day 2, 12 hours 1 PM 63° 63° Mostly Cloudy 3%

0% Thunder
( 3% severe)
NE   8 56% 47°
O FALLON, MO 63366 weather forecast Day 2, 15 hours 4 PM 66° 66° Mostly Cloudy NE   7 50% 47°
O FALLON, MO 63366 weather forecast Day 2, 18 hours 7 PM 64° 65° Mostly Cloudy 4%

0% Thunder
( 4% severe)
ENE   5 52% 46°
O FALLON, MO 63366 weather forecast Day 2, 21 hours 10 PM 57° 57° Mostly Cloudy E   5 67% 46°
Sunday
27 APR 2025
O FALLON, MO 63366 weather forecast Day 3, 0 hours 1 AM 54° 53° Mostly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 4% severe)
E   6 69% 44°
Low 48° O FALLON, MO 63366 weather forecast Day 3, 3 hours 4 AM 50° 48° Mostly Cloudy E   6 74% 42°
High 68° O FALLON, MO 63366 weather forecast Day 3, 6 hours 7 AM 49° 46° Mostly Cloudy 35%
RAIN
.25–.5 in
0% Thunder
( 8% severe)
ESE   7 77% 42°

Mostly Cloudy

Chance of Rain

O FALLON, MO 63366 weather forecast Day 3, 9 hours 10 AM 56° 54° Mostly Cloudy SE   8 66% 45°
O FALLON, MO 63366 weather forecast Day 3, 15 hours 1 PM 62° 61° Mostly Cloudy 20%
RAIN
.01–.1 in
0% Thunder
( 11% severe)
SE   9 60% 48°
O FALLON, MO 63366 weather forecast Day 3, 18 hours 4 PM 65° 65° Mostly Cloudy SE   10 58% 50°
O FALLON, MO 63366 weather forecast Day 3, 21 hours 7 PM 66° 66° Mostly Cloudy     SE   9 58% 51°

SPIRIT OF ST. LOUIS, MO extended weather forecast

Monday
28 APR 2025
Tuesday
29 APR 2025
Wednesday
30 APR 2025
Thursday
1 MAY 2025
Friday
2 MAY 2025
Low 55° Low 65° Low 54° Low 55° Low 55°
High 78° High 76° High 68° High 72° High 74°
O FALLON, MO 63366 weather forecast Day 4 O FALLON, MO 63366 weather forecast Day 5 O FALLON, MO 63366 weather forecast Day 6 O FALLON, MO 63366 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
21% Rain
Overcast
72% Rain
Overcast
38% Rain
Overcast
59% Rain
Overcast
45% Rain
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