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

52°F

11°C

Humidity 67%
Wind Speed NW 6 mph
Barometer 29.93 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 16 Nov 3:15 am CST
Extended Forecast for

5 Miles SW Marthasville MO

  • Overnight

    Overnight: Mostly clear, with a low around 40. Light northwest wind.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Light north wind.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 59. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 59 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly cloudy, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Light northwest wind.
Sunday
Sunny, with a high near 59. Light north wind.
Sunday Night
Mostly clear, with a low around 35. Calm wind.
Monday
Increasing clouds, with a high near 59. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 66.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Thursday
Rain and possibly a thunderstorm. High near 65. Chance of precipitation is 80%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Friday
Rain likely. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Marthasville MO
 38.6°N 91.11°W (Elev. 551 ft)
Last Update:
3:06 am CST Nov 16, 2025
Forecast Valid:
3am CST Nov 16, 2025-6pm CST Nov 22, 2025
 
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