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

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Fair

70°F

21°C

Humidity 73%
Wind Speed SW 6 mph
Barometer 29.84 in
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 16 Jun 9:15 am CDT
Extended Forecast for

3 Miles NW Marthasville MO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 80. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Breezy, with a light south wind becoming southwest 19 to 24 mph in the morning. Winds could gust as high as 38 mph.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am. Low around 65. Southwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 79. Light northwest wind. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 80. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Breezy, with a light south wind becoming southwest 19 to 24 mph in the morning. Winds could gust as high as 38 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am. Low around 65. Southwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 79. Light northwest wind. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 56.
Juneteenth
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 59.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Marthasville MO
 38.64°N 91.11°W (Elev. 574 ft)
Last Update:
5:16 am CDT Jun 16, 2026
Forecast Valid:
9am CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation