PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

9:54 PM CDT SEP 15, 2025
Clear
75°F
Feels Like: 75°F
Dewpoint: 68°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: WNW at 3 mph
Pressure: 30.08 inches
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PORTAGE DES SIOUX, MO 63373
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy this evening, then becoming partly cloudy. Lows in the mid 60s. Northeast winds around 5 mph.
TUESDAY
Sunny. Highs in the lower 90s. Northeast winds around 5 mph.
TUESDAY NIGHT
Mostly clear. Lows in the mid 60s. East winds around 5 mph.
WEDNESDAY
Sunny. Highs in the lower 90s. East winds around 5 mph.
WEDNESDAY NIGHT
Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph.
THURSDAY
Mostly sunny. Highs in the mid 90s.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.
FRIDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
SATURDAY
Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 40 percent.
SUNDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
SUNDAY NIGHT AND MONDAY
Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 20 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 AM CDT  9/15/2025
Monday
15 SEP 2025
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 89° 92° Mostly Cloudy 3%

0% Thunder
( 6% severe)
E   7 48% 67°
High 92° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 91° 92° Partly Cloudy ENE   7 40% 63°
Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 85° 87° Partly Cloudy 1%

0% Thunder
( 4% severe)
E   5 51% 65°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 75° 75° Partly Cloudy ENE   3 71% 65°
Tuesday
16 SEP 2025
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 2% severe)
ENE   3 79% 64°
Low 65° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 68° 68° Partly Cloudy NE   2 84% 63°
High 92° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 1% severe)
ENE   2 87% 62°

Clear



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 80° 82° Clear E   2 58% 64°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 89° 89° Clear 1%

0% Thunder
( 4% severe)
ENE   5 38% 60°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 90° 89° Clear NE   6 33% 57°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 84° 84° Partly Cloudy 1%

0% Thunder
( 2% severe)
NE   3 44% 60°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 73° 73° Clear ENE   2 66% 61°
Wednesday
17 SEP 2025
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 0 hours 1 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 1% severe)
E   2 68% 59°
Low 63° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 3 hours 4 AM 66° 66° Partly Cloudy ENE   1 75% 58°
High 92° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 6 hours 7 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 1% severe)
ENE   1 81% 58°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 9 hours 10 AM 79° 80° Partly Cloudy ESE   2 54% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 15 hours 1 PM 88° 87° Partly Cloudy 2%

0% Thunder
( 4% severe)
E   3 35% 57°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 18 hours 4 PM 90° 88° Clear E   3 31% 55°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 21 hours 7 PM 83° 83° Clear     E   3 43% 58°

ST. CHARLES, MO extended weather forecast

Thursday
18 SEP 2025
Friday
19 SEP 2025
Saturday
20 SEP 2025
Sunday
21 SEP 2025
Monday
22 SEP 2025
Low 58° Low 65° Low 61° Low 59° Low 60°
High 96° High 85° High 85° High 79° High 77°
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
Clear
11% Rain
Mostly Cloudy
34% Rain
Partly Cloudy
40% Rain
Overcast
51% Rain
Partly Cloudy
37% Rain
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