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.

Fog/Mist

57°F

14°C

Humidity 96%
Wind Speed NW 10 mph
Barometer 29.72 in (1005.7 mb)
Dewpoint 56°F (13°C)
Visibility 3.00 mi
Last update 14 Apr 10:53 am CDT
Extended Forecast for

Sheffield IA

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 53. North wind 6 to 8 mph. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 70. East northeast wind 6 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. North wind 5 to 8 mph becoming west southwest after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Sunny, with a high near 75. West northwest wind 7 to 11 mph becoming south in the afternoon.

    High: 75 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Windy. Chance of precipitation is 60%.

    High: 78 °F

    Windy. Partly
    Sunny then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 35. Windy. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely and
    Windy

  • Saturday

    Saturday: A chance of rain showers, mixing with snow after 10am, then gradually ending. Partly sunny, with a high near 46. Windy. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 75. Calm wind becoming north northeast 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 53. North wind 6 to 8 mph. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 70. East northeast wind 6 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. North wind 5 to 8 mph becoming west southwest after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers before 1pm. Sunny, with a high near 75. West northwest wind 7 to 11 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 54.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Windy. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 35. Windy. Chance of precipitation is 70%.
Saturday
A chance of rain showers, mixing with snow after 10am, then gradually ending. Partly sunny, with a high near 46. Windy. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 29. Windy.
Sunday
Sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 63. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sheffield IA
 42.89°N 93.23°W
Last Update:
10:47 am CDT Apr 14, 2026
Forecast Valid:
11am CDT Apr 14, 2026-6pm CDT Apr 20, 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