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 and Breezy

47°F

8°C

Humidity 71%
Wind Speed NW 21 G 32 mph
Barometer 30.19 in (1022.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 5 Apr 8:53 pm CDT
Extended Forecast for

Chapin IA

  • Tonight

    Tonight: Partly cloudy, with a low around 31. North northwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 22 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. North northwest wind 6 to 14 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 1pm. Partly sunny, with a high near 41. East wind 6 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 41 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Rain and snow showers likely, becoming all rain after 10pm. Mostly cloudy, with a low around 32. Windy, with a south southeast wind 16 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely and
    Breezy then
    Showers
    Likely and
    Windy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 64. Windy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Windy. Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Partly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. North northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 43. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 22. North northwest wind 6 to 14 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
A 20 percent chance of snow showers after 1pm. Partly sunny, with a high near 41. East wind 6 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Rain and snow showers likely, becoming all rain after 10pm. Mostly cloudy, with a low around 32. Windy, with a south southeast wind 16 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 64. Windy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 39. Breezy.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 58.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 34.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 60.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 70%.
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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:
6:21 pm CDT Apr 5, 2026
Forecast Valid:
9pm CDT Apr 5, 2026-6pm CDT Apr 12, 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