PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

9:54 AM CDT JUL 6, 2026
Overcast
79°F
Feels Like: 82°F
Dewpoint: 70°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: NE at 5 mph
Pressure: 30.03 inches
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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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REST OF TODAY
Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. North winds 5 to 10 mph.
TUESDAY
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 20 percent.
TUESDAY NIGHT
Mostly clear. Lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
WEDNESDAY
Mostly sunny. Highs in the upper 80s. Light and variable winds, becoming south around 5 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear. Lows in the lower 70s.
THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.
THURSDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows in the mid 70s. Chance of rain 60 percent. Heat index values up to 100 early in the evening.
FRIDAY
Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50 percent. Heat index values up to 100.
FRIDAY NIGHT
Showers and thunderstorms likely in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 60 percent.
SATURDAY
Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows around 70. Chance of rain 30 percent.
SUNDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 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  7/ 5/2026
Monday
6 JUL 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 73° 73° Partly Cloudy 1%

0% Thunder
( 5% severe)
N   2 90% 70°
Low 70° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 71° 71° Partly Cloudy NNE   5 93% 69°
High 85° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 72° 72° Partly Cloudy 2%

0% Thunder
( 7% severe)
NNE   6 90% 69°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 78° 80° Partly Cloudy NNE   7 71% 68°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 83° 87° Partly Cloudy 8%

0% Thunder
( 21% severe)
NNE   8 63% 69°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 85° 88° Mostly Cloudy N   9 57% 68°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 83° 87° Partly Cloudy 4%

0% Thunder
( 15% severe)
NNE   9 63% 69°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 76° 77° Partly Cloudy NNE   5 82% 70°
Tuesday
7 JUL 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 73° 73° Mostly Cloudy 2%

0% Thunder
( 4% severe)
NNE   2 87% 69°
Low 66° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 70° 70° Partly Cloudy N   3 93% 68°
High 86° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 71° 71° Mostly Cloudy 2%

0% Thunder
( 9% severe)
NNE   3 90% 68°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 79° 81° Partly Cloudy NNE   5 69% 68°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 84° 87° Partly Cloudy 4%

0% Thunder
( 21% severe)
NE   8 59% 68°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 86° 89° Partly Cloudy NE   8 53% 67°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 85° 88° Partly Cloudy 1%

0% Thunder
( 11% severe)
NE   7 57% 68°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 76° 77° Partly Cloudy ENE   2 82% 70°

ST. CHARLES, MO extended weather forecast

Wednesday
8 JUL 2026
Thursday
9 JUL 2026
Friday
10 JUL 2026
Saturday
11 JUL 2026
Sunday
12 JUL 2026
Low 70° Low 72° Low 76° Low 73° Low 72°
High 94° High 97° High 93° High 94° High 95°
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
Clear
9% Rain
Partly Cloudy
18% Rain
Overcast
58% Rain
Overcast
51% Rain
Partly Cloudy
24% Rain
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