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.

A Few Clouds

44°F

7°C

Humidity 93%
Wind Speed SE 15 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 42°F (6°C)
Visibility 7.00 mi
Wind Chill37°F (3°C)
Last update 6 Mar 12:53 am CST
Extended Forecast for

Chapin IA

  • Overnight

    Overnight: A chance of showers, then showers and possibly a thunderstorm after 3am. Low around 41. Southeast wind 8 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 3pm. High near 63. South southeast wind 10 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms between 2am and 3am. Low around 31. Windy, with a south wind 10 to 15 mph becoming northwest 16 to 21 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 31 °F

    Showers and
    Windy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 45. Windy, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.

    High: 45 °F

    Becoming
    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Breezy, with a southwest wind 8 to 17 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Clear then
    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy.

    High: 61 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, then showers and possibly a thunderstorm after 3am. Low around 41. Southeast wind 8 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms, mainly before 3pm. High near 63. South southeast wind 10 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms between 2am and 3am. Low around 31. Windy, with a south wind 10 to 15 mph becoming northwest 16 to 21 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 45. Windy, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 34. Breezy, with a southwest wind 8 to 17 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Breezy.
Sunday Night
Mostly clear, with a low around 45. Breezy.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 56. Breezy.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 49. Windy.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 53. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.84°N 93.23°W
Last Update:
1:01 am CST Mar 6, 2026
Forecast Valid:
1am CST Mar 6, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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