Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

31°F

-1°C

Humidity 79%
Wind Speed SE 16 mph
Barometer 30.08 in (1019.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 14 Mar 10:53 am CDT
Extended Forecast for

Sheffield IA

Winter Storm Watch March 15, 10:00am until March 16, 10:00am
High Wind Watch March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Winter Storm Watch
High Wind Watch
  • Today

    Today: Mostly cloudy, with a high near 43. Breezy, with an east southeast wind 11 to 18 mph, with gusts as high as 24 mph.

    High: 43 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4am.  Low around 32. Windy, with an east southeast wind 17 to 23 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Slight Chance
    Rain and
    Breezy then
    Rain and
    Windy

  • Sunday

    Sunday: Rain before 10am, then a chance of rain, snow, and sleet between 10am and 11am, then snow after 11am. Some thunder is also possible.  Widespread blowing snow, mainly after 3pm. Temperature falling to around 28 by 5pm. Very windy, with a north wind 20 to 30 mph increasing to 34 to 44 mph. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    High: 37 °F

    Wintry Mix
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am.  Widespread blowing snow. Low around 4. Wind chill values as low as -15. Very windy, with a northwest wind 37 to 43 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: Widespread blowing snow, mainly before 2pm. Partly sunny, with a high near 11. Windy, with a northwest wind 29 to 32 mph, with gusts as high as 37 mph.

    High: 11 °F

    Blowing Snow
    and Windy

  • Monday Night

    Monday Night: Patchy blowing snow before 7pm. Partly cloudy, with a low around 0. Windy.

    Low: 0 °F

    Patchy
    Blowing Snow
    and Windy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm.  Partly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am.  Mostly cloudy, with a low around 19. Breezy.  Chance of precipitation is 70%.

    Low: 19 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 43. Breezy, with an east southeast wind 11 to 18 mph, with gusts as high as 24 mph.
Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4am. Low around 32. Windy, with an east southeast wind 17 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain before 10am, then a chance of rain, snow, and sleet between 10am and 11am, then snow after 11am. Some thunder is also possible. Widespread blowing snow, mainly after 3pm. Temperature falling to around 28 by 5pm. Very windy, with a north wind 20 to 30 mph increasing to 34 to 44 mph. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow. Low around 4. Wind chill values as low as -15. Very windy, with a northwest wind 37 to 43 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Widespread blowing snow, mainly before 2pm. Partly sunny, with a high near 11. Windy, with a northwest wind 29 to 32 mph, with gusts as high as 37 mph.
Monday Night
Patchy blowing snow before 7pm. Partly cloudy, with a low around 0. Windy.
Tuesday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Sheffield IA
 42.89°N 93.2°W
10:22 am CDT Mar 14, 2026
11am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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