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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

A Few Clouds with Haze

86°F

30°C

Humidity 79%
Wind Speed S 10 mph
Barometer 29.93 in
Dewpoint 79°F (26°C)
Visibility 5.00 mi
Heat Index99°F (37°C)
Last update 9 Jun 1:15 pm CDT
Extended Forecast for

Union MO

Heat Advisory until June 9, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 9, 10:00pm

    NOW until 10:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light south wind.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 103. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South wind 3 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 108. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 72. Light south wind.
Wednesday
Sunny, with a high near 93. Heat index values as high as 103. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind 3 to 7 mph.
Thursday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Low around 64. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 61.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union MO
 38.44°N 91.01°W (Elev. 554 ft)
Last Update:
11:36 am CDT Jun 9, 2026
Forecast Valid:
1pm CDT Jun 9, 2026-6pm CDT Jun 15, 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