Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

88°F

31°C

Humidity 59%
Wind Speed S 7 mph
Barometer 29.96 in (1013.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 4 Aug 4:53 pm CDT
Extended Forecast for

Rochester MO

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 68. Southwest wind 5 to 10 mph becoming northeast after midnight.  Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly cloudy, with a high near 78. East northeast wind 8 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly between 10pm and 4am.  Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph becoming light  after midnight.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Northeast wind 3 to 5 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 67. East southeast wind 3 to 5 mph.  Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms before 7am.  Mostly sunny, with a high near 87. Chance of precipitation is 10%.

    High: 87 °F

    Slight Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am.  Mostly clear, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 68. Southwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. East northeast wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Northeast wind 3 to 5 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. East southeast wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 87. Chance of precipitation is 10%.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 91.
Saturday Night
A chance of showers after 1am. Mostly clear, with a low around 74. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 76.
Monday
Mostly sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Rochester MO
 39.92°N 94.68°W (Elev. 883 ft)
2:37 pm CDT Aug 4, 2026
5pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database