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.

Fair

29°F

-2°C

Humidity 82%
Wind Speed NW 17 mph
Barometer 30.04 in (1018.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 9 Jan 9:53 am CST
Extended Forecast for

Chapin IA

  • Today

    Today: Mostly sunny, with a high near 36. North northwest wind 5 to 13 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of snow between 1am and 2am. Mostly cloudy, with a low around 24. West wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Partly sunny, with a high near 28. Wind chill values as low as 10. Windy, with a northwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 28 °F

    Slight Chance
    Snow and
    Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14. Wind chill values as low as zero. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Northwest wind 8 to 11 mph becoming southwest in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 36. North northwest wind 5 to 13 mph.
Tonight
A slight chance of snow between 1am and 2am. Mostly cloudy, with a low around 24. West wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 28. Wind chill values as low as 10. Windy, with a northwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 14. Wind chill values as low as zero. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 28. Northwest wind 8 to 11 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 30. Blustery.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.84°N 93.23°W
Last Update:
6:27 am CST Jan 9, 2026
Forecast Valid:
10am CST Jan 9, 2026-6pm CST Jan 15, 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