National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

A Few Clouds

86°F

30°C

Humidity 72%
Wind Speed S 10 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 25 Jul 3:54 pm CDT
Extended Forecast for

6 Miles NNW Patterson IA

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Heat Advisory July 25, 04:26pm until July 26, 12:00pm
Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory July 25, 04:26pm until July 26, 12:00pm

    NOW until 12:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 75. South wind 3 to 5 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 109. South southwest wind 5 to 13 mph becoming west northwest in the morning. Winds could gust as high as 18 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 97. South southwest wind 8 to 10 mph becoming west in the afternoon.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 106. Light south southwest wind.
Tonight
Increasing clouds, with a low around 75. South wind 3 to 5 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 109. South southwest wind 5 to 13 mph becoming west northwest in the morning. Winds could gust as high as 18 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny and hot, with a high near 97. South southwest wind 8 to 10 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Patterson IA
 41.43°N 93.92°W
Last Update:
4:06 pm CDT Jul 25, 2026
Forecast Valid:
4pm CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation