Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Overcast

68°F

20°C

Humidity 84%
Wind Speed S 17 mph
Barometer 29.96 in (1013.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 29 Aug 11:54 am CDT
Extended Forecast for

Ackworth IA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm.  Partly sunny, with a high near 87. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Breezy, with a south wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 10am and 1pm.  Partly sunny, with a high near 94. Heat index values as high as 101. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 79. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 94. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 87. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 75. Breezy, with a south wind 15 to 17 mph, with gusts as high as 28 mph.
Sunday
A slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 94. Heat index values as high as 101. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 79. South wind around 14 mph, with gusts as high as 23 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Sunny, with a high near 94.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Ackworth IA
 41.37°N 93.49°W
12:11 pm CDT Aug 29, 2026
12pm CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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