PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions
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  63373 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ST. CHARLES, MO
Current Weather
3:54 PM CDT SEP 18, 2025
Clear
93°F
Feels Like: 92°F
Dewpoint: 57°F
Rel. Hum.: 30%
Visibility: 10 miles
Wind: NNE at 8 mph
Pressure: 29.94 inches
Last 72 hours

Local Area Snow Depth

Missouri Current Weather

Missouri MOS Forecast Weather


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(Automated weather data from NWS/FAA)
  63373 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

PORTAGE DES SIOUX, MO 63373
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny. Near steady temperature in the mid 90s. Southeast winds around 5 mph.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Isolated showers and thunderstorms. Lows in the mid 60s. Northeast winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Isolated showers. Isolated thunderstorms in the afternoon. Highs in the mid 80s. West winds around 5 mph. Chance of rain 20 percent.
FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
SATURDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 40 percent.
SUNDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.
SUNDAY NIGHT
A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.
MONDAY AND MONDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the mid 60s. Chance of rain 50 percent.
TUESDAY
Mostly cloudy with a chance of thunderstorms. A chance of showers. Highs around 80. Chance of rain 50 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
WEDNESDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.

  63373 WEATHER SATELLITE LOOPS
Visible Weather Satellite
PORTAGE DES SIOUX, MO 63373
Infrared Weather Satellite
PORTAGE DES SIOUX, MO 63373
  63373 WEATHER RADAR LOOP
NEXRAD Weather Radar
PORTAGE DES SIOUX, MO 63373
 MOS COMPUTER WEATHER FORECAST

ST. CHARLES, MO 3 hourly weather forecast
weather forecast created  7:00 AM CDT  9/18/2025
Thursday
18 SEP 2025		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 89° 88° Partly Cloudy 5%

 0% Thunder
( 10% severe)		 SE   5 34% 57°
High 92° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 91° 89° Partly Cloudy ESE   5 30% 55°
Partly Cloudy



 PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 83° 83° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 11% severe)		 E   3 46% 60°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 73° 73° Mostly Cloudy WNW   3 71% 63°
Friday
19 SEP 2025		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 70° 70° Mostly Cloudy 18%
RAIN
.25–.5 in		 0% Thunder
( 8% severe)		 N   3 78% 63°
Low 64° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 67° 67° Mostly Cloudy N   3 84% 62°
High 86° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 65° 65° Mostly Cloudy 15%
RAIN
.1–.25 in		 0% Thunder
( 5% severe)		 N   3 90% 62°

Mostly Cloudy

Chance of Rain

 PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 75° 75° Mostly Cloudy N   3 69% 64°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 82° 83° Mostly Cloudy 23%
RAIN
<.01 in		 0% Thunder
( 28% severe)		 SW   6 53% 63°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 84° 85° Partly Cloudy SSW   6 48% 62°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 79° 81° Partly Cloudy 24%
RAIN
.01–.1 in		 0% Thunder
( 21% severe)		 S   3 62% 65°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 70° 70° Partly Cloudy WSW   2 87% 66°
Saturday
20 SEP 2025		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 0 hours 1 AM 67° 67° Partly Cloudy 19%
RAIN
<.01 in		 0% Thunder
( 14% severe)		 WSW   1 93% 65°
Low 62° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 3 hours 4 AM 64° 66° Partly Cloudy WNW   1 100% 64°
High 87° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 6 hours 7 AM 63° 64° Partly Cloudy 9%

 0% Thunder
( 5% severe)		 WNW   1 100% 63°

Partly Cloudy



 PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 9 hours 10 AM 74° 74° Partly Cloudy SSE   2 74% 65°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 15 hours 1 PM 83° 84° Partly Cloudy 7%

 0% Thunder
( 17% severe)		 S   5 51% 63°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 18 hours 4 PM 85° 85° Partly Cloudy SSW   6 45% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 21 hours 7 PM 80° 82° Partly Cloudy     SE   3 58% 64°

ST. CHARLES, MO extended weather forecast
Sunday
21 SEP 2025		 Monday
22 SEP 2025		 Tuesday
23 SEP 2025		 Wednesday
24 SEP 2025		 Thursday
25 SEP 2025
Low 63° Low 64° Low 62° Low 59° Low 54°
High 86° High 82° High 83° High 71° High 72°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 4 PORTAGE DES SIOUX, MO 63373 weather forecast Day 5 PORTAGE DES SIOUX, MO 63373 weather forecast Day 6 PORTAGE DES SIOUX, MO 63373 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
45% Rain		 Overcast
56% Rain		 Mostly Cloudy
69% Rain		 Overcast
70% Rain		 Overcast
59% Rain
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