PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

5:54 PM CDT AUG 24, 2026
Few Clouds
73°F
Feels Like: 73°F
Dewpoint: 66°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: NE at 5 mph
Pressure: 30.02 inches
Last 72 hours

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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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TONIGHT
Mostly cloudy this evening, then becoming partly cloudy. Lows in the mid 60s. East winds around 5 mph.
TUESDAY
Mostly sunny. Highs in the mid 80s. Southeast winds around 5 mph.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. East winds around 5 mph in the evening, becoming light and variable.
WEDNESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Southwest winds around 5 mph. Chance of rain 20 percent.
WEDNESDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Northwest winds around 5 mph. Chance of rain 20 percent.
THURSDAY THROUGH SATURDAY
Mostly clear. Highs in the upper 80s. Lows in the mid 60s.
SATURDAY NIGHT
Mostly clear with a slight chance of showers in the evening, then partly cloudy after midnight. Lows around 70. Chance of rain 20 percent.
SUNDAY
Mostly sunny. Highs in the mid 90s.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.
MONDAY
Mostly sunny. Highs in the mid 90s. Heat index values up to 100.

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  8/24/2026
Monday
24 AUG 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 80° 81° Partly Cloudy 2%

0% Thunder
( 0% severe)
  CALM 49% 59°
High 83° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 82° 82° Mostly Cloudy E   5 44% 58°
Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 78° 80° Partly Cloudy 2%

0% Thunder
( 1% severe)
E   5 56% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 70° 70° Partly Cloudy E   5 71% 60°
Tuesday
25 AUG 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 68° 68° Partly Cloudy 8%

0% Thunder
( 2% severe)
E   5 76% 60°
Low 64° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 66° 66° Mostly Cloudy E   5 78% 59°
High 86° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 66° 66° Mostly Cloudy 6%

0% Thunder
( 2% severe)
E   6 78% 59°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 75° 75° Partly Cloudy ESE   7 62% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 83° 84° Partly Cloudy 1%

0% Thunder
( 4% severe)
ESE   7 51% 63°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 86° 87° Partly Cloudy ESE   6 48% 64°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 82° 84° Partly Cloudy 0%

0% Thunder
( 5% severe)
E   6 56% 65°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 74° 74° Partly Cloudy ESE   5 71% 64°
Wednesday
26 AUG 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 0 hours 1 AM 72° 72° Mostly Cloudy 5%

0% Thunder
( 15% severe)
SE   3 73% 63°
Low 67° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 3 hours 4 AM 70° 70° Mostly Cloudy   CALM 78% 63°
High 89° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 6 hours 7 AM 69° 69° Mostly Cloudy 5%

0% Thunder
( 13% severe)
  CALM 84% 64°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 9 hours 10 AM 78° 80° Partly Cloudy SSW   5 67% 66°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 15 hours 1 PM 86° 90° Partly Cloudy 7%

0% Thunder
( 17% severe)
SW   7 57% 69°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 18 hours 4 PM 89° 94° Partly Cloudy WSW   8 52% 69°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 21 hours 7 PM 85° 89° Clear     W   6 59% 69°

ST. CHARLES, MO extended weather forecast

Thursday
27 AUG 2026
Friday
28 AUG 2026
Saturday
29 AUG 2026
Sunday
30 AUG 2026
Monday
31 AUG 2026
Low 67° Low 64° Low 61° Low 69° Low 66°
High 91° High 92° High 89° High 98° High 82°
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
Partly Cloudy
21% Rain
Clear
4% Rain
Partly Cloudy
17% Rain
Partly Cloudy
33% Rain
Partly Cloudy
26% Rain
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