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.

Fair

37°F

3°C

Humidity 52%
Wind Speed S 13 mph
Barometer 29.71 in (1006.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 24 Feb 7:53 am CST
Extended Forecast for

Union Star MO

  • Today

    Today: Partly sunny, with a high near 59. Breezy, with a south southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 31. Northwest wind 5 to 9 mph becoming north northeast after midnight.

    Low: 31 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. North northeast wind 6 to 10 mph becoming southeast in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 30. East southeast wind 7 to 10 mph becoming north northeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Sunny, with a high near 57. North wind 7 to 10 mph becoming west northwest in the afternoon.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. Breezy, with a south southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 31. Northwest wind 5 to 9 mph becoming north northeast after midnight.
Wednesday
Mostly sunny, with a high near 53. North northeast wind 6 to 10 mph becoming southeast in the afternoon.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 30. East southeast wind 7 to 10 mph becoming north northeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 57. North wind 7 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Clear, with a low around 36.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union Star MO
 39.99°N 94.6°W (Elev. 958 ft)
Last Update:
5:07 am CST Feb 24, 2026
Forecast Valid:
8am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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