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

36°F

2°C

Humidity 79%
Wind Speed N 18 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 10 Mar 4:53 am CDT
Extended Forecast for

Chapin IA

  • Today

    Today: Mostly sunny, with a high near 57. East wind 9 to 15 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers between 1am and 5am. Increasing clouds, with a low around 31. Northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 42. Windy, with a north northwest wind 17 to 22 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Windy. Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Northwest wind 6 to 11 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 52. Windy, with a south southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 52 °F

    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 31. Windy. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 44. Windy.

    High: 44 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 57. East wind 9 to 15 mph, with gusts as high as 18 mph.
Tonight
A chance of showers between 1am and 5am. Increasing clouds, with a low around 31. Northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 42. Windy, with a north northwest wind 17 to 22 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 26. Northwest wind 6 to 11 mph.
Thursday
Mostly cloudy, with a high near 52. Windy, with a south southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 31. Windy. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 44. Windy.
Friday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30.
Saturday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 47.
Saturday Night
Rain and snow showers, mainly after 1am. Low around 28. Blustery. Chance of precipitation is 80%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 36. Windy. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 12. Windy.
Monday
Mostly sunny, with a high near 26.
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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 am CDT Mar 10, 2026
Forecast Valid:
5am CDT Mar 10, 2026-6pm CDT Mar 16, 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