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

54°F

12°C

Humidity 72%
Wind Speed NE 9 mph
Barometer 30.18 in (1021.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 6 Oct 11:53 am CDT
Extended Forecast for

Chapin IA

  • This Afternoon

    This Afternoon: Showers likely, mainly before 5pm. Mostly cloudy, with a high near 57. North wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. North northwest wind 3 to 6 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly before 5pm. Mostly cloudy, with a high near 57. North wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 67. North northwest wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 67. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 79. 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:
11:57 am CDT Oct 6, 2025
Forecast Valid:
12pm CDT Oct 6, 2025-6pm CDT Oct 12, 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