Portage Des Sioux, Missouri Weather
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Weather Forecast for Portage Des Sioux, Missouri : St. Charles County
Issued: 11:21 am CDT Jul 3, 2025 Latitude: 38.9250486 Longitude: -90.3417806 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on Today Mostly Clear on Tonight Mostly Sunny on Independence Day Sunny on Saturday 30% chance of thunderstorms on Sunday 30% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 40% chance of thunderstorms on Wednesday
High: 92°F Low: 72°F High: 93°F High: 94°F High: 90°F High: 88°F High: 90°F High: 90°F
Low: 73°F Low: 75°F Low: 71°F Low: 72°F Low: 71°F  
Mostly Sunny Mostly Clear Mostly Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
ST CHARLES - (KSET)
84°
Clear
as of 10:54 AM CDST
Rel. Humidity: 54%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
84°
Mostly Clear
as of 10:51 AM CDST
Rel. Humidity: 58%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 5500ft
Current Conditions at
ALTON - (KALN)
86°
Feels like 87°F
Clear
as of 10:50 AM CDST
Rel. Humidity: 48%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
6 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
86°
Feels like 87°F
Mostly Clear
as of 10:54 AM CDST
Rel. Humidity: 48%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
5 MPH
Mostly Sunny on Today Today... Mostly sunny, with a high near 92. Light south wind.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 72. Light southeast wind.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 93. Calm wind becoming south 5 to 8 mph in the morning.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 73. Southeast wind 5 to 7 mph becoming calm after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 94. South wind 3 to 8 mph.
20% chance of thunderstorms Saturday Night Saturday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.
20% chance of thunderstorms Sunday Night Sunday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
20% chance of thunderstorms Monday Night Monday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
40% chance of thunderstorms Tuesday Night Tuesday Night... A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
40% chance of thunderstorms Wednesday Wednesday... A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Current Radar Image


Sun Almanac for Portage Des Sioux, Missouri
Sunrise: 05:41 AM
Sunset: 8:30 PM
Civil Sunrise:05:09 AM
Civil Sunset: 9:02 PM
Nautical Sunrise: 04:29 AM
Nautical Sunset: 9:42 PM
Astro Sunrise: 03:44 AM
Astro Sunset: 10:28 PM
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