Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Fair

71°F

22°C

Humidity 84%
Wind Speed SE 9 mph
Barometer 30.18 in (1021.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 5 Aug 11:54 pm CDT
Extended Forecast for

Winterset IA

  • Overnight

    Overnight: Mostly clear, with a low around 65. South southeast wind 3 to 6 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 86. South southeast wind 8 to 10 mph becoming southwest in the morning.  New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 69. South southeast wind around 9 mph.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90. South wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South wind around 11 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Breezy.

    High: 92 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 91.

    High: 91 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 65. South southeast wind 3 to 6 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. South southeast wind 8 to 10 mph becoming southwest in the morning. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. South southeast wind around 9 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. South wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 73. South wind around 11 mph.
Friday
Sunny, with a high near 92. Breezy.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 85.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Winterset IA
 41.35°N 94.01°W
12:37 am CDT Aug 6, 2025
12am CDT Aug 6, 2025-6pm CDT Aug 12, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database