Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Mostly Cloudy

58°F

14°C

Humidity 90%
Wind Speed NE 10 mph
Barometer 29.68 in (1004.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Apr 2:53 pm CDT
Extended Forecast for

Chapin IA

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could be severe.  Mostly cloudy, with a high near 66. East northeast wind 5 to 7 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe.  Mostly cloudy, with a low around 49. North northeast wind around 6 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 74. Northwest wind 5 to 11 mph becoming south in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. South southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm.  High near 75. Windy, with a south southeast wind 16 to 25 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Windy. Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 31. Windy.  New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Chance
    Showers and
    Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Windy.

    High: 47 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 66. East northeast wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 49. North northeast wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 74. Northwest wind 5 to 11 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 54. South southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. Windy, with a south southeast wind 16 to 25 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 31. Windy. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 47. Windy.
Saturday Night
Partly cloudy, with a low around 29. Blustery.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 67. Breezy.
Monday Night
Mostly clear, with a low around 48. Breezy.
Tuesday
Sunny, with a high near 72. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.84°N 93.23°W
3:27 pm CDT Apr 15, 2026
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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