Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

67°F

19°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 19 Aug 5:53 am CDT
Extended Forecast for

3 Miles NW Clarksdale MO

  • Today

    Today: A chance of showers and thunderstorms, mainly after 11am.  Partly sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Northeast wind 3 to 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 84. Light east northeast wind.

    High: 84 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the morning. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 66. Northeast wind 3 to 6 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 84. Light east northeast wind.
Thursday Night
Mostly clear, with a low around 67. Light and variable wind.
Friday
Sunny, with a high near 88. Calm wind becoming west southwest 5 to 7 mph in the morning.
Friday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Clarksdale MO
 39.86°N 94.6°W (Elev. 892 ft)
5:51 am CDT Aug 19, 2026
6am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database