Marthasville, Missouri Weather
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Weather Forecast for Marthasville, Missouri : Warren County
Issued: 5:52 pm CDT Jul 3, 2025 Latitude: 38.6283838 Longitude: -91.057645 View on Google Maps

MouseOver for Detail Forecast
Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Tonight Mostly Sunny on Independence Day Mostly Sunny on Saturday 40% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 50% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday
Low: 69°F High: 93°F High: 92°F High: 88°F High: 88°F High: 90°F High: 88°F High: 86°F
Low: 69°F Low: 72°F Low: 70°F Low: 68°F Low: 68°F Low: 67°F  
Mostly Clear Mostly Sunny Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
91°
Feels like 93°F
Clear
as of 4:54 PM CDST
Rel. Humidity: 41%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
91°
Feels like 93°F
Mostly Cloudy
as of 4:51 PM CDST
Rel. Humidity: 41%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Broken at 6000ft
Current Conditions at
ST CHARLES - (KSET)
90°
Feels like 91°F
Partly Cloudy
as of 4:54 PM CDST
Rel. Humidity: 43%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
7 MPH
030° Northeast
Cloud Level(s): Scattered at 6000ft
Current Conditions at
VICHY-ROLLA - (KVIH)
84°
Clear
as of 4:53 PM CDST
Rel. Humidity: 54%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
3 MPH
220° Southwest
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 69. Calm wind.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 69. Light southeast wind.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.
20% chance of thunderstorms Saturday Night Saturday Night... A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light southwest wind.
40% chance of thunderstorms Sunday Sunday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 88.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
40% chance of thunderstorms Monday Monday... A 40 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. Partly cloudy, with a low around 68.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
40% chance of thunderstorms Tuesday Night Tuesday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
50% chance of thunderstorms Wednesday Wednesday... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88.
40% chance of thunderstorms Wednesday Night Wednesday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
40% chance of thunderstorms Thursday Thursday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Current Radar Image


Sun Almanac for Marthasville, Missouri
Sunrise: 05:45 AM
Sunset: 8:32 PM
Civil Sunrise:05:13 AM
Civil Sunset: 9:04 PM
Nautical Sunrise: 04:34 AM
Nautical Sunset: 9:44 PM
Astro Sunrise: 03:48 AM
Astro Sunset: 10:29 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.