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Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

87°F

31°C

Humidity 59%
Wind Speed SE 10 mph
Barometer 29.85 in (1009.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 15 Jul 7:53 pm CDT
Extended Forecast for

Helena MO

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 74. South southeast wind around 9 mph becoming southwest after midnight. Chance of precipitation is 20%.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 101. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 65. North wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 76. North northeast wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. East wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 74. South southeast wind around 9 mph becoming southwest after midnight. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 101. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 65. North wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 76. North northeast wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. East wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
A chance of showers after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MO
 39.94°N 94.68°W (Elev. 971 ft)
Last Update:
6:28 pm CDT Jul 15, 2025
Forecast Valid:
8pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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