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
5:54 PM CDT AUG 17, 2026
Broken Clouds 81°F
Feels Like:	83°F
Dewpoint:	64°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	NNW at 8 mph
Pressure:	30.03 inches
Last 72 hours
Local Area Snow Depth
Missouri Current Weather
Missouri MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

63373 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	PORTAGE DES SIOUX, MO 63373 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy this evening, then clearing. Patchy fog after midnight. Lows in the mid 60s. North winds around 5 mph this evening, becoming light and variable.

TUESDAY
Patchy fog in the morning. Sunny. Highs in the upper 80s. South winds around 5 mph.

TUESDAY NIGHT
Mostly clear in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 50 percent.

WEDNESDAY
Mostly cloudy with showers and thunderstorms likely in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 60 percent.

WEDNESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 70 percent.

THURSDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 80s. Chance of rain 20 percent.

THURSDAY NIGHT AND FRIDAY
Mostly clear. Lows in the mid 60s. Highs in the mid 80s.

FRIDAY NIGHT AND SATURDAY
Mostly clear. A slight chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 20 percent.

SATURDAY NIGHT
Mostly clear. Lows in the mid 60s.

SUNDAY AND SUNDAY NIGHT
Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.

MONDAY
Partly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20 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 AM CDT 8/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
17 AUG 2026

1 PM

81°

83°

Partly Cloudy

0%

0% Thunder
( 2% severe)

NNW 10

60%

66°

High 83°

4 PM

82°

84°

Mostly Cloudy

NNW 10

56%

65°

Partly Cloudy

7 PM

79°

81°

Partly Cloudy

0%

0% Thunder
( 3% severe)

NNW 6

64%

66°

10 PM

72°

72°

Partly Cloudy

CALM

81%

66°

Tuesday
18 AUG 2026

1 AM

69°

69°

Partly Cloudy

0%

0% Thunder
( 1% severe)

CALM

90%

66°

Low 64°

4 AM

67°

67°

Clear

CALM

93%

65°

High 86°

7 AM

66°

66°

Partly Cloudy

1%

0% Thunder
( 2% severe)

CALM

97%

65°

Partly Cloudy

10 AM

77°

79°

Partly Cloudy

SSW 5

69%

66°

1 PM

84°

86°

Partly Cloudy

2%

0% Thunder
( 5% severe)

SW 5

55%

66°

4 PM

86°

88°

Partly Cloudy

S 5

51%

66°

7 PM

83°

87°

Partly Cloudy

5%

0% Thunder
( 20% severe)

SSE 5

63%

69°

10 PM

76°

77°

Partly Cloudy

SE 7

79%

69°

Wednesday
19 AUG 2026

1 AM

74°

74°

Mostly Cloudy

73%
RAIN
***

0% Thunder
( 30% severe)

SE 6

82%

68°

Low 68°

4 AM

72°

72°

Mostly Cloudy

N 6

90%

69°

High 83°

7 AM

71°

71°

Mostly Cloudy

29%
RAIN
.1–.25 in

0% Thunder
( 18% severe)

SW 7

93%

69°

Mostly Cloudy

Chance of Rain

10 AM

76°

77°

Mostly Cloudy

SE 6

82%

70°

1 PM

81°

85°

Mostly Cloudy

12%
RAIN
.01–.1 in

0% Thunder
( 24% severe)

ESE 6

74%

72°

4 PM

82°

87°

Mostly Cloudy

NNE 7

72%

72°

7 PM

79°

82°

Mostly Cloudy

NNE 8

77%

71°


ST. CHARLES, MO extended weather forecast
Thursday 20 AUG 2026	Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026	Monday 24 AUG 2026
Low 69°	Low 62°	Low 64°	Low 66°	Low 66°
High 83°	High 88°	High 91°	High 90°	High 86°

Overcast 32% Rain	Partly Cloudy 20% Rain	Clear 19% Rain	Partly Cloudy 23% Rain	Overcast 39% Rain

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