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

27°F

-3°C

Humidity 72%
Wind Speed N 8 mph
Barometer 30.40 in (1030.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 6 Apr 10:53 pm CDT
Extended Forecast for

Chapin IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. East northeast wind 7 to 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain showers between 3pm and 4pm, then a slight chance of snow showers after 4pm. Increasing clouds, with a high near 42. 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: 42 °F

    Sunny then
    Slight Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 10pm, then a chance of rain showers between 10pm and 5am. Mostly cloudy, with a steady temperature around 37. Windy, with a south southeast wind 17 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 65. Very windy, with a southwest wind 26 to 36 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers
    Likely and
    Very Windy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers. Partly cloudy, with a low around 37. West southwest wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 57. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Mostly 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: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Showers

  • Friday Night

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

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. East northeast wind 7 to 10 mph.
Tuesday
A slight chance of rain showers between 3pm and 4pm, then a slight chance of snow showers after 4pm. Increasing clouds, with a high near 42. 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 and snow showers before 10pm, then a chance of rain showers between 10pm and 5am. Mostly cloudy, with a steady temperature around 37. Windy, with a south southeast wind 17 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 65. Very windy, with a southwest wind 26 to 36 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers. Partly cloudy, with a low around 37. West southwest wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 57. 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
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 37.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 59. Breezy.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 70%.
Sunday
Showers. High near 72. Windy. Chance of precipitation is 80%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 57. Breezy. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. 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:
10:43 pm CDT Apr 6, 2026
Forecast Valid:
11pm CDT Apr 6, 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