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

78°F

26°C

Humidity 82%
Wind Speed S 7 mph
Barometer 29.98 in (1014.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 2 Jul 7:53 am CDT
Extended Forecast for

Saint Joseph MO

Extreme Heat Warning July 2, 08:54am until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 08:54am until July 3, 09:00pm

    NOW until 9:00pm Fri

    Extreme Heat Warning

  • Today

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. Heat index values as high as 105. South wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 95. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

  • Sunday Night

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

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 100. South wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Tonight
Partly cloudy, with a low around 77. South wind 8 to 13 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 95. Heat index values as high as 105. South wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 74. South wind 10 to 13 mph, with gusts as high as 22 mph.
Independence Day
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 95. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Partly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Joseph MO
 39.77°N 94.83°W (Elev. 968 ft)
Last Update:
8:36 am CDT Jul 2, 2026
Forecast Valid:
8am CDT Jul 2, 2026-6pm CDT Jul 8, 2026
 
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