PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

11:54 PM CDT MAR 27, 2026
Clear
43°F
Feels Like: 38°F
Dewpoint: 19°F
Rel. Hum.: 36%
Visibility: 10 miles
Wind: NNW at 8 mph
Pressure: 30.61 inches
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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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Snow Depth pages
TONIGHT
Mostly clear. Widespread frost after midnight. Lows in the upper 20s. North winds 10 to 15 mph.
SATURDAY
Widespread frost in the morning. Sunny. Highs in the mid 50s. Northeast winds around 5 mph, becoming southeast in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the upper 30s. South winds 5 to 10 mph.
SUNDAY
Partly sunny. Not as cool with highs in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY NIGHT
Partly cloudy. Not as cool with lows in the mid 50s. South winds 10 to 15 mph.
MONDAY AND MONDAY NIGHT
Partly cloudy. Highs in the lower 80s. Lows in the mid 60s.
TUESDAY
Partly sunny. A slight chance of rain in the morning, then a chance of rain with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
TUESDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then rain likely with a slight chance of thunderstorms after midnight. Much cooler with lows in the upper 40s. Chance of rain 70 percent.
WEDNESDAY
Rain likely with a slight chance of thunderstorms in the morning, then a chance of rain and thunderstorms in the afternoon. Much cooler with highs around 60. Chance of rain 70 percent.
WEDNESDAY NIGHT AND THURSDAY
Rain likely with a chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. Chance of rain 60 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of rain. A slight chance of thunderstorms after midnight. Lows in the mid 40s. Chance of rain 50 percent.
FRIDAY
Partly sunny with a chance of rain. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Not as cool with highs in the upper 60s. Chance of rain 40 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  6:00 PM CST  3/27/2026
Saturday
28 MAR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 12 AM 38° 33° Clear 0%

0% Thunder
( 0% severe)
N   7 49% 21°
Low 29° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 3 AM 33° 28° Clear N   6 54% 19°
High 56° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 6 AM 30° 27° Clear 0%

0% Thunder
( 0% severe)
NNE   2 61% 19°

Clear



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 9 AM 39° 36° Clear E   5 43% 19°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 12 PM 49° 46° Clear 0%

0% Thunder
( 0% severe)
SE   7 30% 20°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 3 PM 55° 52° Clear SSE   9 24% 20°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 6 PM 52° 49° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSE   9 31% 23°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 9 PM 45° 40° Partly Cloudy SSE   10 43% 24°
Sunday
29 MAR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 12 AM 43° 38° Partly Cloudy 3%

0% Thunder
( 2% severe)
SSE   9 48% 25°
Low 38° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 3 AM 40° 34° Partly Cloudy SSE   9 56% 26°
High 70° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 6 AM 40° 35° Partly Cloudy 0%

0% Thunder
( 4% severe)
SE   8 59% 27°

Mostly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 9 AM 52° 48° Mostly Cloudy S   12 44% 31°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 12 PM 64° 63° Mostly Cloudy 0%

0% Thunder
( 2% severe)
S   14 33% 34°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 3 PM 70° 70° Mostly Cloudy S   14 31% 38°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 6 PM 65° 65° Mostly Cloudy 1%

0% Thunder
( 3% severe)
S   10 40% 40°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 9 PM 59° 57° Partly Cloudy S   12 51% 41°

ST. CHARLES, MO extended weather forecast

BAD DAY
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Low 35° Low 54° Low 61° Low 46° Low 41°
High 72° High 84° High 79° High 62° High 55°
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
Partly Cloudy
2% Rain
Partly Cloudy
7% Rain
Partly Cloudy
24% Rain
Partly Cloudy
75% Rain
Mostly Cloudy
41% Rain
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