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.

Mostly Cloudy

35°F

2°C

Humidity 67%
Wind Speed NW 18 G 31 mph
Barometer 30.40 in (1030.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 6 Apr 11:53 am CDT
Extended Forecast for

Chapin IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 42. Breezy, with a north northwest wind 15 to 17 mph, with gusts as high as 23 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Northeast wind 7 to 13 mph, with gusts as high as 18 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 1pm. Increasing clouds, with a high near 41. Breezy, with a south southeast wind 7 to 16 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 9pm, then a chance of rain showers after 9pm. Mostly cloudy, with a low around 32. Windy, with a south southeast wind 16 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Windy, with a south wind 24 to 32 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Windy. Slight
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. Breezy, with a north northwest wind 15 to 17 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 22. Northeast wind 7 to 13 mph, with gusts as high as 18 mph.
Tuesday
A 20 percent chance of snow showers after 1pm. Increasing clouds, with a high near 41. Breezy, with a south southeast wind 7 to 16 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 9pm, then a chance of rain showers after 9pm. Mostly cloudy, with a low around 32. Windy, with a south southeast wind 16 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Windy, with a south wind 24 to 32 mph, with gusts as high as 38 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
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 59.
Thursday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 56.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 60. 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 72. Windy. Chance of precipitation is 70%.
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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:
12:12 pm CDT Apr 6, 2026
Forecast Valid:
12pm CDT Apr 6, 2026-6pm CDT Apr 12, 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