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
6:54 AM CDT JUN 8, 2026
Overcast
75°F
Feels Like: 75°F
Dewpoint: 72°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: SE at 9 mph
Pressure: 29.89 inches
Last 72 hours

Local Area Snow Depth

Missouri Current Weather

Missouri MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  63373 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

PORTAGE DES SIOUX, MO 63373
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Showers likely with a chance of thunderstorms this morning, then showers and thunderstorms likely this afternoon. Some thunderstorms may produce heavy rainfall this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
TONIGHT
Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
TUESDAY
Mostly sunny. A slight chance of showers in the morning. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 107 in the afternoon.
TUESDAY NIGHT
Mostly clear. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 107 early in the evening.
WEDNESDAY
Sunny with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.
THURSDAY
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 50 percent. Heat index values up to 100.
THURSDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows around 70. Chance of rain 70 percent. Heat index values up to 100 early in the evening.
FRIDAY
Mostly sunny with a 20 percent chance of showers. Highs in the upper 80s.
FRIDAY NIGHT
Mostly clear with a slight chance of showers in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.
SATURDAY THROUGH SUNDAY
Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Lows in the upper 60s. Chance of rain 50 percent.

  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 PM CDT  6/ 7/2026
Monday
8 JUN 2026		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 0 hours 1 AM 76° 77° Mostly Cloudy 56%
RAIN
***		 0% Thunder
( 24% severe)		 SSE   9 82% 70°
Low 73° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 3 hours 4 AM 74° 74° Mostly Cloudy SSE   9 87% 70°
High 84° PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 6 hours 7 AM 74° 74° Mostly Cloudy 86%
RAIN
***		 0% Thunder
( 39% severe)		 SSE   9 87% 70°

Mostly Cloudy

Rain Likely

 PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 9 hours 10 AM 78° 80° Mostly Cloudy S   10 76% 70°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 12 hours 1 PM 81° 85° Mostly Cloudy 55%
RAIN
>2 in		 0% Thunder
( 58% severe)		 SSW   10 74% 72°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 15 hours 4 PM 83° 88° Mostly Cloudy SSW   9 67% 71°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 18 hours 7 PM 84° 90° Partly Cloudy 57%
RAIN
***		 0% Thunder
( 44% severe)		 SW   9 67% 72°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 1, 21 hours 10 PM 77° 78° Mostly Cloudy WSW   6 85% 72°
Tuesday
9 JUN 2026		 PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 0 hours 1 AM 75° 75° Partly Cloudy 46%
RAIN
.5–1 in		 0% Thunder
( 23% severe)		 SSW   5 87% 71°
Low 70° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 3 hours 4 AM 74° 74° Partly Cloudy SW   3 87% 70°
High 92° PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 6 hours 7 AM 75° 75° Mostly Cloudy 19%
RAIN
.01–.1 in		 0% Thunder
( 20% severe)		 SW   5 87% 71°

Mostly Cloudy



 PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 9 hours 10 AM 82° 87° Mostly Cloudy WSW   7 74% 73°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 12 hours 1 PM 88° 98° Partly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 42% severe)		 SW   9 66% 75°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 15 hours 4 PM 92° 103° Partly Cloudy SW   9 58% 75°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 18 hours 7 PM 91° 103° Partly Cloudy 6%

 0% Thunder
( 20% severe)		 SSW   8 62% 76°
PORTAGE DES SIOUX, MO 63373 weather forecast Day 2, 21 hours 10 PM 82° 89° Clear SSW   7 79% 75°

ST. CHARLES, MO extended weather forecast
Wednesday
10 JUN 2026		 Thursday
11 JUN 2026		 Friday
12 JUN 2026		 Saturday
13 JUN 2026		 Sunday
14 JUN 2026
Low 73° Low 74° Low 73° Low 61° Low 64°
High 99° High 98° High 85° High 89° High 85°
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
Partly Cloudy
20% Rain		 Partly Cloudy
40% Rain		 Overcast
57% Rain		 Partly Cloudy
14% Rain		 Partly Cloudy
18% Rain
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