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.

Fog/Mist and Breezy

30°F

-1°C

Humidity 96%
Wind Speed NW 21 G 28 mph
Barometer 29.77 in (1008.3 mb)
Dewpoint 29°F (-2°C)
Visibility 5.00 mi
Wind Chill17°F (-8°C)
Last update 7 Mar 4:53 am CST
Extended Forecast for

Chapin IA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 45. Windy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 45 °F

    Decreasing
    Clouds and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 34. Windy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 25 mph.

    Low: 34 °F

    Mostly Clear
    then Mostly
    Clear and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 24 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 63. Southwest wind around 10 mph becoming north in the afternoon.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Sunny then
    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 40%.

    Low: 31 °F

    Blustery.
    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Windy.

    High: 46 °F

    Partly Sunny
    and Windy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 45. Windy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 34. Windy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 44. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 63. Southwest wind around 10 mph becoming north in the afternoon.
Monday Night
Mostly clear, with a low around 38.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 56. Breezy.
Tuesday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 46. Windy.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Partly sunny, with a high near 50. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 52. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.82°N 93.23°W
Last Update:
5:16 am CST Mar 7, 2026
Forecast Valid:
5am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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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