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

Hazardous Weather Conditions

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Partly Cloudy

90°F

32°C

Humidity 63%
Wind Speed S 14 G 20 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Jun 1:55 pm CDT
Extended Forecast for

Union MO

Heat Advisory until June 24, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 24, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 74. South wind 5 to 9 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind 3 to 8 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the morning.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 96. Heat index values as high as 106. Southwest wind around 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 74. South wind 5 to 9 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 74. South wind 3 to 8 mph.
Monday
Sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union MO
 38.46°N 91°W (Elev. 597 ft)
Last Update:
12:07 pm CDT Jun 21, 2025
Forecast Valid:
2pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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