PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

2:54 PM CDT MAR 13, 2026
Clear
61°F
Feels Like: 58°F
Dewpoint: 23°F
Rel. Hum.: 23%
Visibility: 10 miles
Wind: W at 17 mph, gusts to 28
Pressure: 29.94 inches
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PORTAGE DES SIOUX, MO 63373
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. Near steady temperature in the upper 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
TONIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 30s. Northwest winds 5 to 10 mph, becoming northeast after midnight.
SATURDAY
Mostly sunny. Highs in the lower 60s. Southeast winds 10 to 15 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 50s. South winds 10 to 15 mph. Gusts up to 30 mph after midnight.
SUNDAY
Mostly cloudy. A chance of rain in the morning, then rain with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.
SUNDAY NIGHT
Rain and snow in the evening, then a chance of snow after midnight. Light snow accumulation. Breezy and much cooler with lows in the lower 20s. Chance of precipitation 90 percent.
MONDAY
Mostly cloudy with a chance of snow in the morning, then partly sunny in the afternoon. Blustery and much cooler with highs in the upper 20s. Chance of snow 50 percent. Wind chill values as low as 5 above.
MONDAY NIGHT AND TUESDAY
Mostly clear. Lows 10 to 15. Highs in the upper 30s. Wind chill values as low as zero.
TUESDAY NIGHT
Mostly cloudy. A slight chance of snow in the evening, then a chance of rain and snow after midnight. Not as cool. Near steady temperature in the mid 30s. Chance of precipitation 30 percent.
WEDNESDAY
Partly sunny in the morning, then clearing. Not as cool with highs in the lower 60s.
WEDNESDAY NIGHT
Mostly clear. Not as cool with lows around 40.
THURSDAY
Mostly sunny. Highs in the upper 60s.

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 AM CST  3/13/2026
Friday
13 MAR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 12 PM 56° 52° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WNW   16 32% 27°
High 59° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 3 PM 58° 55° Partly Cloudy WNW   14 28% 25°
Mostly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 6 PM 53° 51° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WNW   7 35% 26°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 9 PM 45° 44° Partly Cloudy N   3 49% 27°
Saturday
14 MAR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 12 AM 40° 38° Partly Cloudy 2%

0% Thunder
( 0% severe)
NNE   3 54% 25°
Low 33° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 3 AM 36° 32° Partly Cloudy ENE   5 60% 24°
High 63° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 6 AM 35° 28° Mostly Cloudy 2%

0% Thunder
( 2% severe)
E   8 63% 24°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 9 AM 44° 38° Partly Cloudy ESE   12 51% 27°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 12 PM 54° 50° Partly Cloudy 2%

0% Thunder
( 1% severe)
SE   14 40% 30°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 3 PM 62° 60° Partly Cloudy SSE   14 39% 37°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 6 PM 60° 58° Partly Cloudy 1%

0% Thunder
( 2% severe)
SE   12 53% 43°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 9 PM 56° 53° Mostly Cloudy SE   12 66% 45°
Sunday
15 MAR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 0 hours 12 AM 55° 52° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 11% severe)
SSE   12 72% 46°
Low 51° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 3 hours 3 AM 54° 50° Mostly Cloudy S   14 74% 46°
High 70° PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 6 hours 6 AM 54° 50° Mostly Cloudy 50%
RAIN
***
0% Thunder
( 13% severe)
S   16 77% 47°

Mostly Cloudy

Rain Likely


Breezy
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 9 hours 9 AM 61° 58° Mostly Cloudy S   20 67% 50°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 15 hours 12 PM 66° 66° Mostly Cloudy 86%
RAIN
***
0% Thunder
( 5% severe)
S   21 56% 50°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 18 hours 3 PM 65° 65° Mostly Cloudy S   22 54% 48°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 3, 21 hours 6 PM 55° 50° Mostly Cloudy     W   21 61% 42°

ST. CHARLES, MO extended weather forecast

Monday
16 MAR 2026
Tuesday
17 MAR 2026
Wednesday
18 MAR 2026
Thursday
19 MAR 2026
Friday
20 MAR 2026
Low 23° Low 14° Low 29° Low 39° Low 42°
High 27° High 35° High 62° High 63° High 67°
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
99% Rain/Snow
Partly Cloudy
3% Snow
Partly Cloudy
19% Rain/Snow
Clear
14% Rain
Mostly Cloudy
23% Rain
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