PORTAGE DES SIOUX, MO 63373 Weather Forecast & Current Conditions

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ST. CHARLES, MO
Current Weather

7:54 AM CDT JUN 29, 2026
Clear
81°F
Feels Like: 87°F
Dewpoint: 75°F
Rel. Hum.: 82%
Visibility: 10 miles
Wind: SE at 8 mph
Pressure: 29.96 inches
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PORTAGE DES SIOUX, MO 63373
Weather Forecast

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TODAY
Mostly sunny. Hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 110.
TONIGHT
Mostly clear. Humid with lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 109 early in the evening.
TUESDAY
Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 110.
TUESDAY NIGHT
Clear with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 110 early in the evening.
WEDNESDAY
Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 109.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 110.
FRIDAY
Sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening.
INDEPENDENCE DAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.
SATURDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
SUNDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.

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  6/28/2026
Monday
29 JUN 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 81° 86° Partly Cloudy 0%

0% Thunder
( 5% severe)
S   8 77% 73°
Low 78° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 79° 82° Mostly Cloudy SSE   8 79% 72°
High 96° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 79° 82° Partly Cloudy 0%

0% Thunder
( 6% severe)
S   8 79% 72°

Partly Cloudy



PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 87° 94° Partly Cloudy SSW   10 63% 73°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 93° 105° Partly Cloudy 0%

0% Thunder
( 7% severe)
S   13 56% 75°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 96° 107° Partly Cloudy S   14 49% 74°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 94° 105° Partly Cloudy 0%

0% Thunder
( 8% severe)
S   13 53% 74°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 86° 93° Partly Cloudy S   10 65% 73°
Tuesday
30 JUN 2026
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 83° 88° Partly Cloudy 0%

0% Thunder
( 5% severe)
SSW   9 70% 72°
Low 76° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 79° 82° Clear SSW   8 77% 71°
High 98° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 80° 83° Clear 0%

0% Thunder
( 7% severe)
SSW   7 74% 71°

Clear



PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 89° 96° Clear SW   10 57% 72°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 95° 105° Clear 0%

0% Thunder
( 10% severe)
SW   12 49% 73°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 98° 106° Clear SSW   12 42% 71°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 95° 105° Clear 0%

0% Thunder
( 11% severe)
SSW   9 49% 73°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 85° 91° Clear SSW   9 65% 72°

ST. CHARLES, MO extended weather forecast

Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Sunday
5 JUL 2026
Low 74° Low 75° Low 71° Low 73° Low 74°
High 100° High 97° High 95° High 96° High 94°
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
19% Rain
Partly Cloudy
54% Rain
Partly Cloudy
39% Rain
Partly Cloudy
26% Rain
Partly Cloudy
29% Rain
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