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

24°F

-4°C

Humidity 71%
Wind Speed N 7 mph
Barometer 30.43 in (1031.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 7 Apr 1:53 am CDT
Extended Forecast for

Chapin IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. East northeast wind 7 to 9 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers after 4pm, mixing with rain after 5pm. Increasing clouds, with a high near 44. Breezy, with an east wind 7 to 17 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 44 °F

    Sunny then
    Slight Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 10pm, then a chance of rain showers after 10pm. Mostly cloudy, with a low around 34. Windy, with a south southeast wind 17 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Very windy, with a south wind 26 to 36 mph becoming west southwest in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers and
    Very Windy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 35. West wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 54. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.

    Low: 35 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. East northeast wind 7 to 9 mph.
Tuesday
A slight chance of snow showers after 4pm, mixing with rain after 5pm. Increasing clouds, with a high near 44. Breezy, with an east wind 7 to 17 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 10pm, then a chance of rain showers after 10pm. Mostly cloudy, with a low around 34. Windy, with a south southeast wind 17 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Very windy, with a south wind 26 to 36 mph becoming west southwest in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 35. West wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 54. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 37.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 61. Breezy.
Saturday Night
Showers likely. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 70. Windy. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 57. Windy. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73. Breezy.
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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:
1:16 am CDT Apr 7, 2026
Forecast Valid:
2am CDT Apr 7, 2026-6pm CDT Apr 13, 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