PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions
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  63373 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ST. CHARLES, MO
Current Weather
4:54 PM CDT APR 12, 2026
Broken Clouds
75°F
Feels Like: 75°F
Dewpoint: 52°F
Rel. Hum.: 45%
Visibility: 10 miles
Wind: S at 23 mph, gusts to 33
Pressure:
Last 72 hours

Local Area Snow Depth

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  63373 WEATHER FORECAST
10-Day model forecast maps
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PORTAGE DES SIOUX, MO 63373
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
MONDAY
Partly sunny. Highs in the mid 80s. Southwest winds 15 to 20 mph.
MONDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TUESDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
WEDNESDAY AND WEDNESDAY NIGHT
Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 70 percent.
THURSDAY
Partly sunny with a slight chance of showers in the morning, then sunny in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
THURSDAY NIGHT
Mostly clear. Lows in the lower 60s.
FRIDAY
Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
FRIDAY NIGHT
Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 70 percent.
SATURDAY
A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Cooler with highs in the upper 70s. Chance of rain 70 percent.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Much cooler with lows in the mid 40s. Chance of rain 50 percent.
SUNDAY
Mostly sunny. Much cooler with highs in the lower 60s.

  63373 WEATHER SATELLITE LOOPS
Visible Weather Satellite
PORTAGE DES SIOUX, MO 63373
Infrared Weather Satellite
PORTAGE DES SIOUX, MO 63373
  63373 WEATHER RADAR LOOP
NEXRAD Weather Radar
PORTAGE DES SIOUX, MO 63373
 MOS COMPUTER WEATHER FORECAST

ST. CHARLES, MO 3 hourly weather forecast
weather forecast created  7:00 AM CDT  4/12/2026
Sunday
12 APR 2026		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 79° 79° Mostly Cloudy 49%
RAIN
.01–.1 in		 0% Thunder
( 15% severe)		 SSW   18 42% 54°
High 80° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 79° 79° Mostly Cloudy S   18 41% 53°
Mostly Cloudy

Rain Likely


Breezy		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 74° 74° Mostly Cloudy 52%
RAIN
.01–.1 in		 0% Thunder
( 27% severe)		 S   16 46% 52°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 69° 69° Mostly Cloudy SSW   15 59% 54°
Monday
13 APR 2026		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 67° 67° Mostly Cloudy 35%
RAIN
.1–.25 in		 0% Thunder
( 19% severe)		 SSW   13 73% 58°
Low 62° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 64° 63° Mostly Cloudy SSW   12 84% 59°
High 86° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 64° 63° Partly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 16% severe)		 S   10 87% 60°

Partly Cloudy



 PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 74° 74° Partly Cloudy SSW   14 69% 63°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 81° 82° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 32% severe)		 SSW   16 53% 62°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 85° 85° Partly Cloudy SSW   17 45% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 81° 82° Mostly Cloudy 8%

 0% Thunder
( 22% severe)		 S   15 51% 61°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 74° 74° Mostly Cloudy S   14 64% 61°
Tuesday
14 APR 2026		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 0 hours 1 AM 71° 71° Mostly Cloudy 6%

 0% Thunder
( 11% severe)		 SSW   13 71% 61°
Low 65° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 3 hours 4 AM 68° 68° Partly Cloudy SSW   13 76% 60°
High 88° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 6 hours 7 AM 66° 66° Mostly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 16% severe)		 SSW   12 84% 61°

Mostly Cloudy

Chance of Rain

 PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 9 hours 10 AM 76° 78° Mostly Cloudy SSW   15 64% 63°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 15 hours 1 PM 84° 85° Mostly Cloudy 24%
RAIN
<.01 in		 0% Thunder
( 23% severe)		 SW   16 49% 63°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 18 hours 4 PM 86° 87° Partly Cloudy SSW   17 45% 62°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 21 hours 7 PM 83° 84° Mostly Cloudy     SSW   15 49% 62°

ST. CHARLES, MO extended weather forecast
Wednesday
15 APR 2026		 Thursday
16 APR 2026		 Friday
17 APR 2026		 Saturday
18 APR 2026		 Sunday
19 APR 2026
Low 64° Low 57° Low 56° Low 63° Low 51°
High 79° High 82° High 83° High 70° High 69°
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
Overcast
80% Rain		 Mostly Cloudy
70% Rain		 Partly Cloudy
22% Rain		 Overcast
70% Rain		 Overcast
50% Rain
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