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.

Light Rain

43°F

6°C

Humidity 86%
Wind Speed NW 3 mph
Barometer 30.14 in (1021.2 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Last update 9 Apr 7:53 pm CDT
Extended Forecast for

Sheffield IA

  • Tonight

    Tonight: Showers, mainly before 11pm. Low around 32. North wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Showers then
    Isolated
    Showers

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 54. North wind 6 to 9 mph.

    High: 54 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 58. Breezy, with an east southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 51. Windy, with a south wind 18 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers
    Likely and
    Windy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Windy. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers and
    Windy

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. Windy. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers and
    Windy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. Breezy. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Showers, mainly before 11pm. Low around 32. North wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Partly sunny, then gradually becoming sunny, with a high near 54. North wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 34. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 58. Breezy, with an east southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 51. Windy, with a south wind 18 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Windy. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. Windy. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Breezy.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. Breezy. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Breezy.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 66. Breezy.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 73. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Sheffield IA
 42.89°N 93.23°W
Last Update:
5:43 pm CDT Apr 9, 2026
Forecast Valid:
8pm CDT Apr 9, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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