Clarkson Valley, Missouri Weather
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Weather Forecast for Clarkson Valley, Missouri : St. Louis County
Issued: 5:37 am CDT May 11, 2025 Latitude: 38.6183864 Longitude: -90.5892907 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on Today Increasing Clouds on Tonight 60% chance of thunderstorms on Monday 40% chance of thunderstorms on Tuesday Sunny on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday
High: 80°F Low: 58°F High: 74°F High: 80°F High: 85°F High: 91°F High: 86°F High: 82°F
Low: 60°F Low: 62°F Low: 68°F Low: 65°F Low: 61°F  
Mostly Sunny Increasing Clouds Thunderstorms Thunderstorms Sunny Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
61°
Clear
as of 7:54 AM CDST
Rel. Humidity: 48%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
7 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
61°
Mostly Cloudy
as of 7:51 AM CDST
Rel. Humidity: 38%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
10 MPH
060° Northeast
Cloud Level(s): Few at 20000ft, Broken at 25000ft
Current Conditions at
ST CHARLES - (KSET)
61°
Clear
as of 7:54 AM CDST
Rel. Humidity: 38%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
8 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
59°
Clear
as of 7:55 AM CDST
Rel. Humidity: 77%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
5 MPH
030° Northeast
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 80. Northeast wind 6 to 8 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 58. East wind around 6 mph becoming calm in the evening.
60% chance of thunderstorms Monday Monday... Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 74. East wind 3 to 8 mph. Chance of precipitation is 60%.
60% chance of thunderstorms Monday Night Monday Night... Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 60. Light east wind. Chance of precipitation is 60%.
40% chance of thunderstorms Tuesday Tuesday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Light south wind.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 62.
Sunny on Wednesday Wednesday... Sunny, with a high near 85.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 68.
20% chance of thunderstorms Thursday Thursday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 65.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
30% chance of thunderstorms Friday Night Friday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
20% chance of thunderstorms Saturday Saturday... A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Current Radar Image


Sun Almanac for Clarkson Valley, Missouri
Sunrise: 05:54 AM
Sunset: 8:04 PM
Civil Sunrise:05:24 AM
Civil Sunset: 8:33 PM
Nautical Sunrise: 04:48 AM
Nautical Sunset: 9:10 PM
Astro Sunrise: 04:08 AM
Astro Sunset: 9:49 PM
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