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.

Fog/Mist

49°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 29.80 in (1009.3 mb)
Dewpoint 49°F (9°C)
Visibility 1.50 mi
Last update 25 Nov 1:54 am CST
Extended Forecast for

6 Miles NNW Patterson IA

Dense Fog Advisory until November 25, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 25, 10:00am

    NOW until 10:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 46 °F

    Areas Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 53. Windy, with a light southwest wind becoming west northwest 16 to 21 mph in the morning. Winds could gust as high as 36 mph.

    High: 53 °F

    Areas Fog
    then Partly
    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 29. Windy, with a west northwest wind 21 to 24 mph, with gusts as high as 38 mph.

    Low: 29 °F

    Increasing
    Clouds and
    Windy

  • Wednesday

    Wednesday: Sunny, with a high near 39. Windy, with a west northwest wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 39 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. West northwest wind 7 to 10 mph.

    Low: 20 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 46. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 53. Windy, with a light southwest wind becoming west northwest 16 to 21 mph in the morning. Winds could gust as high as 36 mph.
Tuesday Night
Increasing clouds, with a low around 29. Windy, with a west northwest wind 21 to 24 mph, with gusts as high as 38 mph.
Wednesday
Sunny, with a high near 39. Windy, with a west northwest wind 13 to 21 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly clear, with a low around 20. West northwest wind 7 to 10 mph.
Thanksgiving Day
Sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 18.
Friday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 32.
Friday Night
Snow likely, mainly before midnight. Cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 31.
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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:
12:26 am CST Nov 25, 2025
Forecast Valid:
2am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
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