National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Fair

75°F

24°C

Humidity 57%
Wind Speed S 20 G 30 mph
Barometer 29.88 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 31 Mar 9:15 am CDT
Extended Forecast for

Marthasville MO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 83. Southwest wind 9 to 18 mph, with gusts as high as 31 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 4pm, then rain likely. High near 75. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 90%.

    High: 75 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 62. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Chance Rain
    then Chance
    T-storms

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 78 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    T-storms then
    Rain Likely

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Rain Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 83. Southwest wind 9 to 18 mph, with gusts as high as 31 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%.
Wednesday
Rain and possibly a thunderstorm before 4pm, then rain likely. High near 75. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 90%.
Wednesday Night
A chance of rain, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 62. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
Rain and possibly a thunderstorm. High near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marthasville MO
 38.62°N 91.06°W (Elev. 476 ft)
Last Update:
9:21 am CDT Mar 31, 2026
Forecast Valid:
9am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation