O FALLON, MO 63366 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

63366 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
SPIRIT OF ST. LOUIS, MO Current Weather
1:54 PM CDT OCT 28, 2025
Overcast 55°F
Feels Like:	55°F
Dewpoint:	52°F
Rel. Hum.:	90%
Visibility:	10 miles
Wind:	S at 3 mph
Pressure:	29.95 inches
Last 72 hours
Local Area Snow Depth
Missouri Current Weather
Missouri MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

63366 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	O FALLON, MO 63366 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Cloudy with a chance of drizzle. Near steady temperature in the mid 50s. East winds around 5 mph.

TONIGHT
Showers with a chance of drizzle in the evening, then showers after midnight. Patchy fog after midnight. Near steady temperature in the lower 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

WEDNESDAY
Patchy fog in the morning. Showers, mainly in the morning. Near steady temperature in the lower 50s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows around 40. North winds 10 to 15 mph with gusts up to 25 mph.

THURSDAY
Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.

THURSDAY NIGHT AND FRIDAY
Mostly clear. Lows in the upper 30s. Highs in the lower 60s.

FRIDAY NIGHT THROUGH SATURDAY NIGHT
Partly cloudy. Lows in the upper 30s. Highs in the mid 50s.

SUNDAY AND SUNDAY NIGHT
Mostly clear. Highs in the upper 50s. Lows in the lower 40s.

MONDAY
Sunny. Highs in the mid 60s.

63366 WEATHER SATELLITE LOOPS

Visible Weather Satellite
O FALLON, MO 63366

Infrared Weather Satellite
O FALLON, MO 63366

63366 WEATHER RADAR LOOP

NEXRAD Weather Radar
O FALLON, MO 63366

MOS COMPUTER WEATHER FORECAST

SPIRIT OF ST. LOUIS, MO 3 hourly weather forecast

weather forecast created 5:00 AM MST 10/28/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
28 OCT 2025

12 PM

56°

55°

Mostly Cloudy

50%
RAIN
.01–.1 in

0% Thunder
( 2% severe)

ESE 5

83%

51°

High 57°

3 PM

56°

55°

Mostly Cloudy

ESE 6

86%

52°

Overcast

Rain

6 PM

54°

54°

Overcast

92%
RAIN
***

0% Thunder
( 4% severe)

E 3

100%

54°

9 PM

52°

51°

Overcast

E 5

100%

52°

Wednesday
29 OCT 2025

12 AM

52°

50°

Overcast

96%
RAIN
***

0% Thunder
( 6% severe)

ENE 6

100%

52°

Low 44°

3 AM

51°

47°

Overcast

NE 10

100%

51°

High 54°

6 AM

49°

44°

Overcast

89%
RAIN
***

0% Thunder
( 3% severe)

NE 14

100%

49°

Overcast

Rain Likely

9 AM

49°

43°

Overcast

NE 15

93%

47°

12 PM

51°

46°

Mostly Cloudy

36%
RAIN
.25–.5 in

0% Thunder
( 1% severe)

NNE 16

77%

44°

3 PM

53°

48°

Mostly Cloudy

NNE 15

66%

42°

6 PM

50°

46°

Mostly Cloudy

6%

0% Thunder
( 0% severe)

N 10

74%

42°

9 PM

44°

39°

Partly Cloudy

N 9

89%

41°

Thursday
30 OCT 2025

12 AM

42°

38°

Partly Cloudy

3%

0% Thunder
( 0% severe)

N 7

93%

40°

Low 36°

3 AM

40°

35°

Partly Cloudy

NNW 7

96%

39°

High 58°

6 AM

38°

32°

Partly Cloudy

2%

0% Thunder
( 0% severe)

NNW 8

100%

38°

Partly Cloudy

9 AM

47°

43°

Partly Cloudy

NNW 9

76%

40°

12 PM

55°

52°

Partly Cloudy

2%

0% Thunder
( 0% severe)

NNW 10

55%

39°

3 PM

57°

55°

Partly Cloudy

NW 10

49%

38°

6 PM

50°

48°

Partly Cloudy

WNW 6

68%

40°


SPIRIT OF ST. LOUIS, MO extended weather forecast
Friday 31 OCT 2025	Saturday 1 NOV 2025	Sunday 2 NOV 2025	Monday 3 NOV 2025	Tuesday 4 NOV 2025
Low 36°	Low 37°	Low 35°	Low 35°	Low 41°
High 65°	High 54°	High 57°	High 63°	High 63°

Clear 5% Rain	Partly Cloudy 14% Rain	Clear 11% Rain	Clear 6% Rain	Clear 12% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

O Fallon, MO
O Fallon, MO snow
O Fallon, MO radar
MO map

-or-
-or-
-or-

63366
63366 snow
63366 radar

-or-
-or-

MO
MO snow

Copyright © 2024 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately