PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

3:54 AM CDT MAY 25, 2026
Clear
57°F
Feels Like: 57°F
Dewpoint: 57°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: Calm
Pressure: 30.08 inches
Last 72 hours

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PORTAGE DES SIOUX, MO 63373
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
TUESDAY
Partly sunny in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 20 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 60 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. East winds around 5 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 60s. Chance of rain 20 percent.
THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
THURSDAY NIGHT
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
FRIDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows around 60. Chance of rain 20 percent.
SUNDAY
Mostly sunny. Highs in the upper 70s.

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  5/24/2026
Monday
25 MAY 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 63° 64° Clear 0%

0% Thunder
( 1% severe)
  CALM 81% 57°
Low 59° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 60° 61° Partly Cloudy   CALM 87% 56°
High 83° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 61° 62° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 87% 57°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 75° 75° Clear ESE   5 58% 59°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 81° 81° Partly Cloudy 0%

0% Thunder
( 2% severe)
E   8 42% 56°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 83° 82° Partly Cloudy E   8 38% 55°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 81° 81° Partly Cloudy 0%

0% Thunder
( 2% severe)
ESE   8 44% 57°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 69° 69° Partly Cloudy E   6 66% 57°
Tuesday
26 MAY 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 65° 65° Partly Cloudy 1%

0% Thunder
( 1% severe)
E   2 75% 57°
Low 57° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 61° 62° Partly Cloudy   CALM 84% 56°
High 83° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 63° 64° Mostly Cloudy 2%

0% Thunder
( 3% severe)
  CALM 84% 58°

Mostly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 75° 75° Mostly Cloudy E   2 62% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 80° 81° Mostly Cloudy 8%

0% Thunder
( 18% severe)
E   7 52% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 82° 83° Mostly Cloudy E   8 49% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 80° 82° Mostly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 19% severe)
ESE   8 58% 64°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 72° 72° Mostly Cloudy ESE   6 79% 65°

ST. CHARLES, MO extended weather forecast

Wednesday
27 MAY 2026
Thursday
28 MAY 2026
Friday
29 MAY 2026
Saturday
30 MAY 2026
Sunday
31 MAY 2026
Low 67° Low 67° Low 67° Low 63° Low 57°
High 87° High 87° High 78° High 78° High 75°
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
Overcast
59% Rain
Overcast
55% Rain
Overcast
45% Rain
Overcast
43% Rain
Partly Cloudy
19% Rain
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