National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

48°F

9°C

Humidity 58%
Wind Speed W 5 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 15 Feb 10:53 am CST
Extended Forecast for

Sheffield IA

  • Today

    Today: Sunny, with a high near 57. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60. West southwest wind 5 to 11 mph becoming east in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. East wind 5 to 9 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. Windy, with an east southeast wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 59 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Partly cloudy, with a low around 43. Windy. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain
    and Windy

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon. Sunny, with a high near 54. Windy.

    High: 54 °F

    Windy. Slight
    Chance Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. Breezy.

    Low: 28 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of rain and snow after noon. Partly sunny, with a high near 43. Breezy. Chance of precipitation is 30%.

    High: 43 °F

    Partly Sunny
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 57. Light and variable wind becoming west around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 39. South wind 5 to 14 mph, with gusts as high as 22 mph.
Washington's Birthday
Mostly sunny, with a high near 60. West southwest wind 5 to 11 mph becoming east in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. East wind 5 to 9 mph.
Tuesday
Partly sunny, with a high near 59. Windy, with an east southeast wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
A 40 percent chance of rain. Partly cloudy, with a low around 43. Windy. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain before noon. Sunny, with a high near 54. Windy.
Wednesday Night
Mostly clear, with a low around 28. Breezy.
Thursday
A chance of rain and snow after noon. Partly sunny, with a high near 43. Breezy. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Blustery.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sheffield IA
 42.89°N 93.23°W
Last Update:
10:47 am CST Feb 15, 2026
Forecast Valid:
11am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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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