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 >

Current conditions at

Farmington Airport (KFAM)

Lat: 37.77°NLon: 90.43°WElev: 945ft.

Fair

76°F

24°C

Humidity 85%
Wind Speed S 5 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Aug 9:56 pm CDT
Extended Forecast for

5 Miles ENE Cascade MO

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 5am.  Increasing clouds, with a low around 68. Light southeast wind.

    Low: 68 °F

    Clear then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall.  High near 85. Light and variable wind.  Chance of precipitation is 80%.

    High: 85 °F

    Heavy Rain
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly between 8pm and 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 67. Light and variable wind.  Chance of precipitation is 70%.

    Low: 67 °F

    T-storms
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 84. Light northeast wind.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light northeast wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 68. Light southeast wind.
Wednesday
Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 85. Light and variable wind. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms likely, mainly between 8pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 70%.
Thursday
Partly sunny, with a high near 84. Light northeast wind.
Thursday Night
Mostly clear, with a low around 65. Light northeast wind.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 65.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 67.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Cascade MO
 37.33°N 90.18°W (Elev. 699 ft)
10:26 pm CDT Aug 18, 2026
10pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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