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.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 3.00 mi
Last update 15 Oct 1:35 am CDT
Extended Forecast for

Union MO

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Patchy fog before 11am. High near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%.

    High: 79 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 1am, then isolated showers between 1am and 2am. Increasing clouds, with a low around 43. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny through mid morning, then becoming cloudy, with a high near 56. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 56 °F

    Becoming
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 23 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

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

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 66. Calm wind.
Thursday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Patchy fog before 11am. High near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms likely before 1am, then isolated showers between 1am and 2am. Increasing clouds, with a low around 43. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday
Mostly sunny through mid morning, then becoming cloudy, with a high near 56. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 35. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 59.
Saturday Night
Clear, with a low around 33.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union MO
 38.44°N 91.01°W (Elev. 554 ft)
Last Update:
1:26 am CDT Oct 15, 2026
Forecast Valid:
1am CDT Oct 15, 2026-6pm CDT Oct 21, 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