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.

Overcast

55°F

13°C

Humidity 38%
Wind Speed S 18 G 32 mph
Barometer 29.94 in (1014.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 6 Nov 11:54 am CST
Extended Forecast for

Saint Marys IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 61. Breezy, with a south wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A slight chance of showers between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 45. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Breezy, with a west northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 65 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 38. West northwest wind 5 to 9 mph becoming light and variable.

    Low: 38 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain likely, mainly before noon. Mostly cloudy, with a high near 48. East southeast wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Blustery.

    Low: 23 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 35. Breezy.

    High: 35 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 61. Breezy, with a south wind 13 to 17 mph, with gusts as high as 30 mph.
Tonight
A slight chance of showers between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 45. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 65. Breezy, with a west northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Friday Night
Increasing clouds, with a low around 38. West northwest wind 5 to 9 mph becoming light and variable.
Saturday
Rain likely, mainly before noon. Mostly cloudy, with a high near 48. East southeast wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 23. Blustery.
Sunday
Sunny, with a high near 35. Breezy.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 28.
Veterans Day
Mostly sunny, with a high near 57. Breezy.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys IA
 41.32°N 93.72°W
Last Update:
11:07 am CST Nov 6, 2025
Forecast Valid:
12pm CST Nov 6, 2025-6pm CST Nov 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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