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 Snow

-5°F

-21°C

Humidity 58%
Wind Speed NE 8 mph
Barometer 30.72 in (1043.0 mb)
Dewpoint -16°F (-27°C)
Visibility 9.00 mi
Wind Chill-20°F (-29°C)
Last update 24 Jan 2:54 am CST
Extended Forecast for

Saint Marys IA

  • Overnight

    Overnight: Cloudy, with a low around -6. Wind chill values as low as -15. Northeast wind around 6 mph.

    Low: -6 °F

    Cloudy

  • Saturday

    Saturday: A slight chance of snow before 10am, then a slight chance of snow after 1pm. Cloudy and cold, with a high near 6. Wind chill values as low as -15. East wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 6 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 0. Wind chill values as low as -10. East wind 3 to 6 mph. Little or no snow accumulation expected.

    Low: 0 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 15. Wind chill values as low as -10. North northeast wind 6 to 9 mph.

    High: 15 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -3. North wind around 8 mph.

    Low: -3 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around -6. Wind chill values as low as -15. Northeast wind around 6 mph.
Saturday
A slight chance of snow before 10am, then a slight chance of snow after 1pm. Cloudy and cold, with a high near 6. Wind chill values as low as -15. East wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 0. Wind chill values as low as -10. East wind 3 to 6 mph. Little or no snow accumulation expected.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 15. Wind chill values as low as -10. North northeast wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around -3. North wind around 8 mph.
Monday
Sunny, with a high near 19.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Sunny, with a high near 19.
Thursday Night
Partly cloudy, with a low around 4.
Friday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys IA
 41.3°N 93.75°W
Last Update:
3:16 am CST Jan 24, 2026
Forecast Valid:
3am CST Jan 24, 2026-6pm CST Jan 30, 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