PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

12:54 AM CDT APR 4, 2026
Overcast
73°F
Feels Like: 73°F
Dewpoint: 63°F
Rel. Hum.: 71%
Visibility: 10 miles
Wind: S at 13 mph
Pressure: 29.89 inches
Last 72 hours

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PORTAGE DES SIOUX, MO 63373
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
OVERNIGHT
A chance of thunderstorms. A chance of showers late this evening, then showers. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
SATURDAY
Showers with a chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Much cooler. Less humid with highs in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Much cooler with lows in the upper 30s. Northwest winds 10 to 15 mph.
SUNDAY
Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.
SUNDAY NIGHT
Clear. Lows around 40. West winds 5 to 10 mph.
MONDAY
Sunny. Highs in the lower 60s.
MONDAY NIGHT
Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 30s. Chance of rain 20 percent.
TUESDAY AND TUESDAY NIGHT
Mostly cloudy. Highs in the mid 50s. Lows around 40.
WEDNESDAY
Mostly sunny. Not as cool with highs in the lower 70s.
WEDNESDAY NIGHT
Mostly clear. Not as cool with lows in the mid 50s.
THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.
THURSDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 50s. Chance of rain 30 percent.
FRIDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 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  6:00 PM CST  4/ 3/2026
Saturday
4 APR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 12 AM 70° 70° Mostly Cloudy 97%
RAIN
***
0% Thunder
( 41% severe)
S   13 73% 61°
Low 54° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 3 AM 64° 63° Mostly Cloudy SW   12 87% 60°
High 61° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 6 AM 59° 57° Mostly Cloudy 64%
RAIN
.1–.25 in
0% Thunder
( 6% severe)
W   12 83% 54°

Mostly Cloudy

Rain Likely

PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 9 AM 55° 51° Mostly Cloudy WNW   14 77% 48°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 12 PM 54° 50° Mostly Cloudy 8%

0% Thunder
( 1% severe)
W   15 66% 43°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 3 PM 56° 52° Mostly Cloudy W   17 55% 40°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 6 PM 52° 47° Partly Cloudy 0%

0% Thunder
( 1% severe)
WNW   15 54% 36°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 9 PM 46° 41° Partly Cloudy WNW   12 60% 33°
Sunday
5 APR 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 12 AM 43° 38° Clear 0%

0% Thunder
( 1% severe)
WNW   9 68% 33°
Low 36° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 3 AM 40° 34° Partly Cloudy WNW   9 70% 31°
High 58° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 6 AM 38° 32° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   8 73% 30°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 9 AM 46° 41° Partly Cloudy NW   12 58% 32°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 12 PM 53° 49° Clear 0%

0% Thunder
( 0% severe)
WNW   12 46% 33°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 3 PM 57° 54° Clear WNW   12 40% 33°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 6 PM 54° 52° Clear 0%

0% Thunder
( 1% severe)
WNW   7 47% 34°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 9 PM 47° 46° Clear W   3 63% 35°

ST. CHARLES, MO extended weather forecast

Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Friday
10 APR 2026
Low 41° Low 36° Low 38° Low 51° Low 54°
High 63° High 52° High 72° High 67° 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
Mostly Cloudy
20% Rain
Overcast
34% Rain/Snow
Partly Cloudy
26% Rain
Overcast
45% Rain
Overcast
35% Rain
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