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Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

53°F

12°C

Humidity 93%
Wind Speed W 3 mph
Barometer 29.95 in (1013.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 18 Jun 11:53 pm CDT
Extended Forecast for

Chapin IA

  • Overnight

    Overnight: Clear, with a low around 52. Light west northwest wind.

    Low: 52 °F

    Clear

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 77. Light west wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 54. West northwest wind 5 to 13 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North northwest wind 3 to 6 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 57. Light and variable wind becoming east 5 to 7 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 69. Breezy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 52. Light west northwest wind.
Juneteenth
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 77. Light west wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 54. West northwest wind 5 to 13 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 78. North northwest wind 3 to 6 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 57. Light and variable wind becoming east 5 to 7 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 69. Breezy. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 53. Breezy.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 77.
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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:
10:27 pm CDT Jun 18, 2026
Forecast Valid:
12am CDT Jun 19, 2026-6pm CDT Jun 25, 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