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.

Overcast

73°F

23°C

Humidity 87%
Wind Speed Calm
Barometer 29.94 in (1013.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 4:54 am CDT
Extended Forecast for

3 Miles SW Hartford IA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the morning.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66. South southeast wind around 6 mph.

    Low: 66 °F

    Clear then
    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 71. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. South southeast wind around 6 mph.
Friday
Sunny, with a high near 85.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Hartford IA
 41.43°N 93.46°W
4:36 am CDT Aug 19, 2026
5am 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