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

62°F

17°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 14 Jul 3:53 am CDT
Extended Forecast for

Chapin IA

  • Today

    Today: Sunny, with a high near 86. South wind 5 to 8 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 6 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. South wind 7 to 11 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South southeast wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. South wind 5 to 8 mph.
Tonight
Mostly clear, with a low around 65. South wind 6 to 8 mph.
Tuesday
Sunny, with a high near 86. South wind 7 to 11 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South southeast wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 81.
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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:
2:51 am CDT Jul 14, 2025
Forecast Valid:
4am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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