PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

2:54 PM CDT JUL 13, 2026
Clear
88°F
Feels Like: 89°F
Dewpoint: 64°F
Rel. Hum.: 45%
Visibility: 10 miles
Wind: NNE at 13 mph, gusts to 20
Pressure: 30.16 inches
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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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Snow Depth pages
TONIGHT
Clear. Lows in the upper 60s. Northeast winds 5 to 10 mph.
TUESDAY
Sunny. Highs around 90. Northeast winds 5 to 10 mph.
TUESDAY NIGHT
Clear. Lows around 70. Northeast winds 5 to 10 mph in the evening, becoming light and variable.
WEDNESDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100.
WEDNESDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable.
THURSDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.
THURSDAY NIGHT
Mostly clear. Lows in the mid 70s. Heat index values up to 100 early in the evening.
FRIDAY
Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.
FRIDAY NIGHT
Mostly clear. Lows in the mid 70s. Heat index values up to 100 early in the evening.
SATURDAY AND SATURDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105.
SUNDAY
Sunny. Highs in the lower 90s.
SUNDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.
MONDAY
Mostly sunny. Highs around 90.

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 AM CDT  7/13/2026
Monday
13 JUL 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 87° 88° Clear 0%

0% Thunder
( 8% severe)
NE   10 46% 64°
High 89° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 88° 89° Clear NE   12 45% 64°
Clear



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 85° 88° Clear 0%

0% Thunder
( 8% severe)
NE   8 55% 67°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 76° 77° Clear NE   3 76% 68°
Tuesday
14 JUL 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 72° 72° Clear 1%

0% Thunder
( 4% severe)
  CALM 87% 68°
Low 67° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 70° 70° Clear   CALM 90% 67°
High 91° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 72° 72° Partly Cloudy 1%

0% Thunder
( 3% severe)
NNE   5 87% 68°

Clear



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 84° 88° Clear NE   6 61% 69°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 90° 95° Clear 3%

0% Thunder
( 7% severe)
ENE   9 50% 69°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 90° 94° Clear ENE   9 49% 68°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 89° 95° Clear 0%

0% Thunder
( 9% severe)
ENE   8 56% 71°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 80° 84° Clear ENE   3 77% 72°
Wednesday
15 JUL 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 0 hours 1 AM 76° 77° Clear 1%

0% Thunder
( 3% severe)
  CALM 85% 71°
Low 70° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 3 hours 4 AM 73° 73° Clear   CALM 90% 70°
High 91° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 6 hours 7 AM 75° 75° Clear 4%

0% Thunder
( 8% severe)
  CALM 90% 72°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 9 hours 10 AM 86° 92° Partly Cloudy   CALM 63% 72°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 15 hours 1 PM 91° 98° Partly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 17% severe)
ENE   5 52% 71°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 18 hours 4 PM 91° 96° Partly Cloudy ENE   6 49% 69°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 21 hours 7 PM 89° 96° Partly Cloudy     E   5 57% 72°

ST. CHARLES, MO extended weather forecast

Thursday
16 JUL 2026
Friday
17 JUL 2026
Saturday
18 JUL 2026
Sunday
19 JUL 2026
Monday
20 JUL 2026
Low 73° Low 75° Low 73° Low 68° Low 66°
High 94° High 95° High 96° High 90° High 87°
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
52% Rain
Partly Cloudy
52% Rain
Partly Cloudy
31% Rain
Partly Cloudy
23% Rain
Partly Cloudy
24% Rain
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