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

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

A Few Clouds

86°F

30°C

Humidity 53%
Wind Speed S 8 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 14 Jun 12:53 pm CDT
Extended Forecast for

Union Star MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Southeast wind 6 to 8 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southeast wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. South southeast wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Southeast wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 68. South southeast wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. South southeast wind 7 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 6 to 10 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 64.
Juneteenth
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union Star MO
 39.99°N 94.6°W (Elev. 958 ft)
Last Update:
12:26 pm CDT Jun 14, 2025
Forecast Valid:
12pm CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation