Widespread Summer Heat; Enhanced Severe Weather

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, an enhanced risk of organized severe thunderstorms is possible from Iowa to Illinois and Indiana. Read More >

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Thunderstorm in Vicinity

28°C

83°F

Humidity 74%
Wind Speed NE 9 km/h
Barometer 1015.5 mb (30.02 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index32°C (90°F)
Last update 20 Aug 10:53 am CDT
Extended Forecast for

Saint Joseph MO

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Flood Warning until August 30, 07:00am
Click here for hazard details and duration
Heat Advisory
Flood Warning
  •  
    Flood Warning until August 30, 07:00am

    NOW until
    7:00am Fri

    Flood Warning

  • Today

    Today: Showers and thunderstorms, mainly before noon.  High near 33. Heat index values as high as 41. East wind 5 to 14 km/h becoming southwest in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.

    T-storms

    High: 33 °C

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 23. South southwest wind 6 to 11 km/h becoming light and variable  after midnight.  Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Chance
    T-storms

    Low: 23 °C

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm.  Cloudy through mid morning, then becoming mostly sunny, with a high near 30. Calm wind becoming east 5 to 8 km/h in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    T-storms
    Likely

    High: 30 °C

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 20. East wind 3 to 8 km/h.  Chance of precipitation is 70%. New rainfall amounts in excess of 4 cm possible.

    Heavy Rain

    Low: 20 °C

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 26. East wind 5 to 8 km/h.  Chance of precipitation is 50%. New rainfall amounts between 2 and 3 cm possible.

    Chance
    T-storms

    High: 26 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 19. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms

    Low: 19 °C

  • Friday

    Friday: Partly sunny, with a high near 27.

    Partly Sunny

    High: 27 °C

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 19.

    Mostly Cloudy

    Low: 19 °C

Detailed Forecast

Today
Showers and thunderstorms, mainly before noon. High near 33. Heat index values as high as 41. East wind 5 to 14 km/h becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 23. South southwest wind 6 to 11 km/h becoming light and variable after midnight. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 30. Calm wind becoming east 5 to 8 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Wednesday Night
Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 20. East wind 3 to 8 km/h. Chance of precipitation is 70%. New rainfall amounts in excess of 4 cm possible.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 26. East wind 5 to 8 km/h. Chance of precipitation is 50%. New rainfall amounts between 2 and 3 cm possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 21. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Saint Joseph MO
 39.77°N 94.86°W (Elev. 274 m)
11:10 am CDT Aug 20, 2019
11am CDT Aug 20, 2019-6pm CDT Aug 26, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database