Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Fair

76°F

24°C

Humidity 62%
Wind Speed NW 5 mph
Barometer 30.12 in (1019.4 mb)
Dewpoint 62°F (17°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 27 Aug 10:54 am CDT
Extended Forecast for

Winterset IA

  • Today

    Today: Sunny, with a high near 83. North wind around 7 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68. South wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm.  Partly sunny, with a high near 89. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Breezy.

    Low: 77 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Breezy.

    High: 95 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 76. Breezy.

    Low: 76 °F

    Partly Cloudy
    then Chance
    Showers and
    Breezy

  • Monday

    Monday: A 30 percent chance of showers before 1pm.  Mostly sunny, with a high near 92. Breezy.

    High: 92 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 83. North wind around 7 mph.
Tonight
Clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 86. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 68. South wind 5 to 11 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 89. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 77. Breezy.
Sunday
Mostly sunny, with a high near 95. Breezy.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Breezy.
Monday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 92. Breezy.
Monday Night
A 50 percent chance of showers after 1am. Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Winterset IA
 41.35°N 94.01°W
10:02 am CDT Aug 27, 2026
11am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database