PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

3:54 AM CDT APR 20, 2026
Scattered Clouds
45°F
Feels Like: 40°F
Dewpoint: 30°F
Rel. Hum.: 55%
Visibility: 10 miles
Wind: ENE at 9 mph
Pressure: 30.28 inches
Last 72 hours

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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Partly cloudy. Lows in the lower 40s. Northeast winds around 5 mph.
MONDAY
Sunny. Highs in the upper 60s. Southeast winds 5 to 10 mph.
MONDAY NIGHT
Mostly clear. Not as cool with lows in the lower 50s. South winds 5 to 10 mph.
TUESDAY
Sunny. Not as cool with highs around 80. Southwest winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY NIGHT
Mostly clear. Lows in the mid 50s. Southwest winds 10 to 15 mph.
WEDNESDAY AND WEDNESDAY NIGHT
Mostly clear. Highs in the upper 70s. Lows in the upper 50s.
THURSDAY
Mostly sunny. Highs in the lower 80s.
THURSDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 70 percent.
FRIDAY
Showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 80 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Cooler with lows in the lower 50s. Chance of rain 50 percent.
SATURDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Lows in the lower 50s.
SUNDAY
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 lower 70s. 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  7:00 PM CDT  4/19/2026
Monday
20 APR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 47° 44° Mostly Cloudy 3%

0% Thunder
( 2% severe)
NE   6 53% 31°
Low 41° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 44° 42° Partly Cloudy ENE   3 55% 29°
High 69° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 42° 40° Clear 1%

0% Thunder
( 1% severe)
ENE   3 60% 29°

Clear



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 54° 52° Clear ESE   7 38% 29°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 62° 61° Clear 1%

0% Thunder
( 1% severe)
SE   8 32% 32°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 68° 68° Clear SSE   8 32% 37°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 66° 66° Clear 0%

0% Thunder
( 1% severe)
SE   8 40% 41°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 56° 54° Clear SE   8 59% 42°
Tuesday
21 APR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 53° 50° Clear 0%

0% Thunder
( 1% severe)
S   8 69% 43°
Low 49° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 51° 48° Partly Cloudy S   8 71% 42°
High 79° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 52° 49° Partly Cloudy 2%

0% Thunder
( 2% severe)
S   8 69% 42°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 66° 66° Partly Cloudy SW   14 47% 45°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 75° 75° Partly Cloudy 3%

0% Thunder
( 6% severe)
SW   17 37% 47°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 78° 78° Clear SW   17 36% 49°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 74° 74° Clear 3%

0% Thunder
( 6% severe)
SW   13 43% 50°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 66° 66° Partly Cloudy SW   10 56% 50°

ST. CHARLES, MO extended weather forecast

Wednesday
22 APR 2026
Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Low 55° Low 55° Low 61° Low 51° Low 51°
High 77° High 80° High 72° High 73° High 69°
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
17% Rain
Partly Cloudy
19% Rain
Overcast
76% Rain
Partly Cloudy
34% Rain
Overcast
39% Rain
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