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 with Haze

68°F

20°C

Humidity 49%
Wind Speed SE 8 mph
Barometer 29.94 in
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Last update 14 May 9:35 pm CDT
Extended Forecast for

Union MO

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 56. Southeast wind around 6 mph.

    Low: 56 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm. Mostly sunny, with a high near 83. Southeast wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Sunny through mid morning, then becoming mostly cloudy, with a high near 85. South wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 64. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 56. Southeast wind around 6 mph.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm. Mostly sunny, with a high near 83. Southeast wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Sunny through mid morning, then becoming mostly cloudy, with a high near 85. South wind 5 to 7 mph. Chance of precipitation is 60%.
Saturday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 64. South wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 68.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Union MO
 38.46°N 91°W (Elev. 597 ft)
Last Update:
9:11 pm CDT May 14, 2026
Forecast Valid:
9pm CDT May 14, 2026-6pm CDT May 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