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.

Light Drizzle

70°F

21°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 24 Jul 8:54 pm CDT
Extended Forecast for

4 Miles NW Patterson IA

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

  • Tonight

    Tonight: A slight chance of drizzle before midnight. Patchy fog. Otherwise, cloudy, with a low around 68. South southeast wind 3 to 6 mph.

    Low: 68 °F

    Slight Chance
    Drizzle and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 90. Heat index values as high as 101. Light south southwest wind.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. South southwest wind 3 to 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Heat index values as high as 109. South southwest wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

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

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of drizzle before midnight. Patchy fog. Otherwise, cloudy, with a low around 68. South southeast wind 3 to 6 mph.
Saturday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 90. Heat index values as high as 101. Light south southwest wind.
Saturday Night
Partly cloudy, with a low around 72. South southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 109. South southwest wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind 11 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Patterson IA
 41.39°N 93.92°W
Last Update:
9:27 pm CDT Jul 24, 2026
Forecast Valid:
9pm CDT Jul 24, 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