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

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Mostly Cloudy

25°F

-4°C

Humidity 69%
Wind Speed N 15 mph
Barometer 30.07 in (1018.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 28 Feb 3:53 am CST
Extended Forecast for

Chapin IA

  • Today

    Today: A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 28. East northeast wind 8 to 11 mph. Little or no snow accumulation expected.

    High: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. Wind chill values as low as 5. North wind 7 to 10 mph.

    Low: 11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26. Wind chill values as low as zero. North wind around 7 mph becoming east in the afternoon.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. East wind around 7 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 38. South southeast wind 8 to 15 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain, possibly mixed with snow, becoming all snow after 3am. Low around 29. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 28. East northeast wind 8 to 11 mph. Little or no snow accumulation expected.
Tonight
Mostly cloudy, with a low around 11. Wind chill values as low as 5. North wind 7 to 10 mph.
Sunday
Partly sunny, with a high near 26. Wind chill values as low as zero. North wind around 7 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 17. East wind around 7 mph.
Monday
Mostly cloudy, with a high near 38. South southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Monday Night
Rain, possibly mixed with snow, becoming all snow after 3am. Low around 29. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29.
Wednesday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 45.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.84°N 93.23°W
Last Update:
2:26 am CST Feb 28, 2026
Forecast Valid:
4am CST Feb 28, 2026-6pm CST Mar 6, 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