PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

3:54 AM CDT SEP 22, 2026
Overcast
64°F
Feels Like: 63°F
Dewpoint: 61°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: NE at 12 mph
Pressure: 30.08 inches
Last 72 hours

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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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TODAY
Mostly cloudy. A slight chance of very light drizzle this morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.
TONIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
WEDNESDAY
Partly sunny. Highs in the lower 70s. North winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
THURSDAY
Mostly sunny. Highs in the mid 70s. Northeast winds around 5 mph.
THURSDAY NIGHT AND FRIDAY
Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
SATURDAY
Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent.
SUNDAY
Partly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent.
SUNDAY NIGHT AND MONDAY
Partly cloudy. Lows in the upper 50s. Highs in the upper 80s.

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  9/21/2026
Tuesday
22 SEP 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 65° 65° Mostly Cloudy 2%

0% Thunder
( 3% severe)
ENE   7 90% 62°
Low 60° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 63° 63° Mostly Cloudy NE   7 90% 60°
High 72° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 61° 60° Mostly Cloudy 2%

0% Thunder
( 2% severe)
NE   8 90% 58°

Mostly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 67° 67° Mostly Cloudy ENE   9 73% 58°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 71° 71° Mostly Cloudy 1%

0% Thunder
( 2% severe)
NE   9 63% 58°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 72° 72° Mostly Cloudy NNE   12 61% 58°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 69° 69° Mostly Cloudy 1%

0% Thunder
( 1% severe)
NNE   10 66% 57°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 63° 63° Partly Cloudy NE   8 81% 57°
Wednesday
23 SEP 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 61° 60° Partly Cloudy 1%

0% Thunder
( 1% severe)
NNE   7 81% 55°
Low 53° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 58° 57° Partly Cloudy NNE   7 87% 54°
High 75° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 56° 54° Partly Cloudy 0%

0% Thunder
( 1% severe)
N   7 90% 53°

Mostly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 66° 66° Partly Cloudy NNE   8 65% 54°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 73° 73° Mostly Cloudy 0%

0% Thunder
( 2% severe)
NNE   10 53% 55°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 75° 75° Mostly Cloudy NNE   12 50% 55°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 70° 70° Mostly Cloudy 0%

0% Thunder
( 1% severe)
NE   8 61% 56°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 63° 63° Partly Cloudy NE   7 84% 58°

ST. CHARLES, MO extended weather forecast

Thursday
24 SEP 2026
Friday
25 SEP 2026
Saturday
26 SEP 2026
Sunday
27 SEP 2026
Monday
28 SEP 2026
Low 56° Low 58° Low 57° Low 54° Low 56°
High 80° High 81° High 80° High 72° High 76°
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
Partly Cloudy
7% Rain
Mostly Cloudy
23% Rain
Overcast
33% Rain
Overcast
54% Rain
Overcast
39% Rain
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