PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

4:54 AM CDT SEP 29, 2026
Clear
52°F
Feels Like: 52°F
Dewpoint: 48°F
Rel. Hum.: 86%
Visibility: 10 miles
Wind: Calm
Pressure: 30.00 inches
Last 72 hours

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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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REST OF TONIGHT
Clear. Lows in the lower 50s. East winds around 5 mph.
TUESDAY
Sunny. Highs in the mid 80s. Southeast winds 5 to 10 mph.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 60s. Southeast winds around 5 mph.
WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 80s. South winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly cloudy. Lows around 70. South winds 5 to 10 mph.
THURSDAY
Mostly cloudy with a 50 percent chance of showers. Highs in the upper 80s.
THURSDAY NIGHT
Mostly cloudy with a slight 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.
FRIDAY
Showers likely, mainly in the morning. Much cooler with highs in the mid 70s. Chance of rain 70 percent.
FRIDAY NIGHT AND SATURDAY
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. Highs around 70.
SATURDAY NIGHT
Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 40 percent.
SUNDAY
Partly sunny. Highs in the lower 70s.
SUNDAY NIGHT AND MONDAY
Mostly clear. Lows in the lower 50s. Highs around 70.

Visible Weather Satellite
PORTAGE DES SIOUX, MO 63373
Infrared Weather Satellite
PORTAGE DES SIOUX, MO 63373
NEXRAD Weather Radar
PORTAGE DES SIOUX, MO 63373

ST. CHARLES, MO 3 hourly weather forecast

weather forecast created  7:00 PM CDT  9/28/2026
Tuesday
29 SEP 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 59° 60° Clear 0%

0% Thunder
( 1% severe)
  CALM 64% 47°
Low 54° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 57° 58° Partly Cloudy   CALM 72% 48°
High 83° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 55° 55° Partly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 80% 49°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 69° 69° Clear SSE   5 51% 50°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 81° 80° Partly Cloudy 1%

0% Thunder
( 1% severe)
S   8 34% 50°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 83° 82° Clear S   8 33% 51°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 76° 78° Partly Cloudy 1%

0% Thunder
( 1% severe)
SE   6 43% 52°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 70° 70° Mostly Cloudy SE   7 53% 52°
Wednesday
30 SEP 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 67° 67° Mostly Cloudy 5%

0% Thunder
( 2% severe)
ESE   6 56% 51°
Low 63° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 66° 66° Mostly Cloudy ESE   7 56% 50°
High 88° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 65° 65° Mostly Cloudy 1%

0% Thunder
( 1% severe)
ESE   7 58% 50°

Mostly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 75° 75° Mostly Cloudy S   8 45% 52°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 85° 84° Mostly Cloudy 1%

0% Thunder
( 2% severe)
S   10 37% 56°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 88° 87° Mostly Cloudy S   12 38% 59°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 83° 83° Mostly Cloudy 1%

0% Thunder
( 2% severe)
SSE   10 46% 60°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 77° 79° Mostly Cloudy S   10 58% 61°

ST. CHARLES, MO extended weather forecast

Thursday
1 OCT 2026
Friday
2 OCT 2026
Saturday
3 OCT 2026
Sunday
4 OCT 2026
Monday
5 OCT 2026
Low 63° Low 62° Low 52° Low 52° Low 50°
High 88° High 70° High 73° High 78° High 71°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3 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
Overcast
62% Rain
Overcast
94% Rain
Mostly Cloudy
31% Rain
Partly Cloudy
22% Rain
Clear
11% Rain
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