Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.16 in (1020.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 16 Sep 11:53 pm CDT
Extended Forecast for

5 Miles SSE De Kalb MO

  • Overnight

    Overnight: Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming light and variable.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 10am.  Patchy fog between 8am and 9am.  Otherwise, mostly sunny, with a high near 87. Heat index values as high as 96. Light and variable wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Light and variable wind becoming east southeast around 6 mph in the evening.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Heat index values as high as 96. South wind 6 to 11 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72. South wind 8 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 86. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming light and variable.
Thursday
A slight chance of showers and thunderstorms before 10am. Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 87. Heat index values as high as 96. Light and variable wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 70. Light and variable wind becoming east southeast around 6 mph in the evening.
Friday
Sunny, with a high near 88. Heat index values as high as 96. South wind 6 to 11 mph.
Friday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Monday
A chance of showers before 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE De Kalb MO
 39.53°N 94.89°W (Elev. 1076 ft)
3:36 pm CDT Sep 16, 2026
12am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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