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.

Overcast and Breezy

66°F

19°C

Humidity 36%
Wind Speed W 25 G 39 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 8 Apr 3:53 pm CDT
Extended Forecast for

Chapin IA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Mostly cloudy, with a high near 68. Windy, with a west southwest wind around 26 mph, with gusts as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers and
    Windy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 7 to 10 mph becoming southwest in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers after 4pm. Increasing clouds, with a high near 55. Northwest wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly between 7pm and 1am. Low around 34. North northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Showers

  • Friday

    Friday: Sunny, with a high near 55. North wind around 8 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 58. Breezy. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 52. Breezy. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Windy. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Windy

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Mostly cloudy, with a high near 68. Windy, with a west southwest wind around 26 mph, with gusts as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 7 to 10 mph becoming southwest in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of showers after 4pm. Increasing clouds, with a high near 55. Northwest wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers, mainly between 7pm and 1am. Low around 34. North northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Sunny, with a high near 55. North wind around 8 mph.
Friday Night
Mostly clear, with a low around 35.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 58. Breezy. Chance of precipitation is 50%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 52. Breezy. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Windy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60. Windy.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 78. Breezy.
Monday Night
Showers likely. Partly cloudy, with a low around 50. Breezy. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 62. 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:
4:17 pm CDT Apr 8, 2026
Forecast Valid:
4pm CDT Apr 8, 2026-6pm CDT Apr 14, 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