Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Light Rain Fog/Mist

71°F

22°C

Humidity 94%
Wind Speed E 10 mph
Barometer 29.94 in (1013.0 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 30 Jul 11:54 pm CDT
Extended Forecast for

Ackworth IA

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall.  Low around 69. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Heavy Rain

  • Friday

    Friday: Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Some of the storms could produce heavy rainfall.  High near 82. South wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers.  Mostly cloudy, with a low around 63. Windy, with a north wind 18 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely and
    Windy

  • Saturday

    Saturday: A 10 percent chance of showers before 7am.  Mostly sunny, with a high near 79. Windy, with a north wind 20 to 22 mph, with gusts as high as 32 mph.

    High: 79 °F

    Windy. Slight
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. North wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

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

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 69. South southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Some of the storms could produce heavy rainfall. High near 82. South wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 63. Windy, with a north wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 79. Windy, with a north wind 20 to 22 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 62. North wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 62.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Ackworth IA
 41.37°N 93.49°W
10:32 pm CDT Jul 30, 2026
12am CDT Jul 31, 2026-6pm CDT Aug 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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