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

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

A Few Clouds and Breezy

31°F

-1°C

Humidity 59%
Wind Speed NW 21 mph
Barometer 30.15 in (1022.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 10 Jan 3:54 pm CST
Extended Forecast for

Saint Marys IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 32. Breezy, with a northwest wind around 16 mph, with gusts as high as 28 mph.

    High: 32 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 20. Windy, with a northwest wind 13 to 21 mph, with gusts as high as 32 mph.

    Low: 20 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 36. Northwest wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a steady temperature around 32. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 50. West wind 7 to 9 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 35. Breezy.

    High: 35 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 32. Breezy, with a northwest wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 20. Windy, with a northwest wind 13 to 21 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 36. Northwest wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a steady temperature around 32. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 50. West wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 55. Breezy.
Tuesday Night
Mostly cloudy, with a low around 29. Blustery.
Wednesday
Partly sunny, with a high near 35. Breezy.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 31. Blustery.
Friday
Mostly cloudy, with a high near 37. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys IA
 41.3°N 93.75°W
Last Update:
4:36 pm CST Jan 10, 2026
Forecast Valid:
4pm CST Jan 10, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

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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