PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

1:54 AM CDT JUN 22, 2026
Overcast
64°F
Feels Like: 64°F
Dewpoint: 57°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: NW at 8 mph
Pressure: 29.83 inches
Last 72 hours

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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Mostly cloudy. Lows in the lower 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
MONDAY
Mostly cloudy. Highs in the mid 70s. North winds 5 to 10 mph.
MONDAY NIGHT
Mostly cloudy in the evening, then clearing. Lows around 60. North winds 5 to 10 mph in the evening, becoming light and variable.
TUESDAY
Sunny. Highs in the lower 80s. East winds around 5 mph.
TUESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Chance of rain 20 percent.
WEDNESDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of rain 50 percent.
THURSDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of rain 50 percent.
FRIDAY
Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
FRIDAY NIGHT
A chance of thunderstorms. Showers likely. Lows in the upper 60s. Chance of rain 70 percent.
SATURDAY
Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 30 percent.

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  6/21/2026
Monday
22 JUN 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 69° 69° Mostly Cloudy 9%

0% Thunder
( 2% severe)
WNW   10 90% 66°
Low 63° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 65° 65° Mostly Cloudy NW   12 93% 63°
High 76° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 64° 63° Mostly Cloudy 3%

0% Thunder
( 3% severe)
N   12 90% 61°

Mostly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 68° 68° Mostly Cloudy N   12 73% 59°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 72° 72° Mostly Cloudy 4%

0% Thunder
( 9% severe)
N   12 66% 60°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 76° 78° Mostly Cloudy N   12 60% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 76° 78° Partly Cloudy 4%

0% Thunder
( 6% severe)
N   8 60% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 68° 68° Partly Cloudy NNE   3 84% 63°
Tuesday
23 JUN 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 65° 65° Partly Cloudy 3%

0% Thunder
( 3% severe)
  CALM 90% 62°
Low 59° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 62° 63° Partly Cloudy   CALM 93% 60°
High 82° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 2% severe)
ENE   3 87% 59°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 73° 73° Clear E   3 62% 59°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 79° 80° Clear 0%

0% Thunder
( 8% severe)
E   6 49% 58°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 81° 81° Partly Cloudy ESE   5 46% 58°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 80° 81° Partly Cloudy 3%

0% Thunder
( 8% severe)
E   7 51% 60°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 71° 71° Partly Cloudy ESE   5 73% 62°

ST. CHARLES, MO extended weather forecast

Wednesday
24 JUN 2026
Thursday
25 JUN 2026
Friday
26 JUN 2026
Saturday
27 JUN 2026
Sunday
28 JUN 2026
Low 66° Low 70° Low 71° Low 73° Low 73°
High 86° High 86° High 83° High 94° High 96°
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
Mostly Cloudy
46% Rain
Overcast
62% Rain
Overcast
68% Rain
Overcast
60% Rain
Partly Cloudy
23% Rain
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