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

57°F

14°C

Humidity 74%
Wind Speed S 10 mph
Barometer 29.74 in (1006.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 17 Apr 1:53 am CDT
Extended Forecast for

Chapin IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 60. South wind around 10 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 76. Windy, with a south southeast wind 15 to 20 mph becoming south 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Windy. Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Windy, with a north northwest wind 21 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Windy. Slight
    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48. Windy, with a west northwest wind 18 to 24 mph, with gusts as high as 31 mph.

    High: 48 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Blustery, with a west northwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 23 mph.

    Low: 31 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 60. South wind around 10 mph.
Friday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 76. Windy, with a south southeast wind 15 to 20 mph becoming south 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Windy, with a north northwest wind 21 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 48. Windy, with a west northwest wind 18 to 24 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 31. Blustery, with a west northwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 64. Breezy.
Monday Night
Partly cloudy, with a low around 48. Breezy.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Clear, with a low around 47.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 75. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Chapin IA
 42.84°N 93.23°W
Last Update:
1:26 am CDT Apr 17, 2026
Forecast Valid:
2am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation