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

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

38°F

3°C

Humidity 68%
Wind Speed SW 20 G 29 mph
Barometer 29.73 in (1007.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 8 Mar 3:53 am CDT
Extended Forecast for

Chapin IA

  • Today

    Today: Sunny, with a high near 62. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 42. Breezy, with a southwest wind 16 to 18 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 65. Southwest wind around 9 mph becoming southeast in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Southeast wind 6 to 8 mph becoming north northeast in the evening.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after 1pm. Mostly sunny, with a high near 59. Northeast wind 9 to 15 mph, with gusts as high as 18 mph.

    High: 59 °F

    Sunny then
    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Windy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Chance Rain
    and Blustery
    then Chance
    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm, then a slight chance of snow. Partly sunny, with a high near 40. Windy. Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Blustery.

    Low: 24 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Partly sunny, with a high near 50. Windy.

    High: 50 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Windy

Detailed Forecast

Today
Sunny, with a high near 62. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 42. Breezy, with a southwest wind 16 to 18 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 65. Southwest wind around 9 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 39. Southeast wind 6 to 8 mph becoming north northeast in the evening.
Tuesday
A 20 percent chance of rain after 1pm. Mostly sunny, with a high near 59. Northeast wind 9 to 15 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Windy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain and snow before 1pm, then a slight chance of snow. Partly sunny, with a high near 40. Windy. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 24. Blustery.
Thursday
Partly sunny, with a high near 50. Windy.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36. Windy.
Friday
Mostly cloudy, with a high near 45. Windy.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Mostly cloudy, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.84°N 93.23°W
Last Update:
12:27 am CST Mar 8, 2026
Forecast Valid:
4am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation