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

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Light Rain

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 29.95 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 9:54 pm CDT
Extended Forecast for

De Soto IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 80. North northeast wind 3 to 5 mph.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm.  Partly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 65. South wind 3 to 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Light and variable wind.
Wednesday
A 20 percent chance of showers after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. North northeast wind 3 to 5 mph.
Wednesday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 61. Light and variable wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Partly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
De Soto IA
 41.54°N 94.01°W
8:57 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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