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

37°F

3°C

Humidity 89%
Wind Speed NE 8 mph
Barometer 29.74 in (1006.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 10 Mar 12:53 am CDT
Extended Forecast for

Mason City IA

  • Overnight

    Overnight: Mostly clear, with a low around 36. North northeast wind around 7 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. East northeast wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers after 1am, mixing with snow after 4am. Increasing clouds, with a low around 31. Northeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 43. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Northwest wind 6 to 10 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 51. Breezy.

    High: 51 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 60%.

    Low: 30 °F

    Rain Likely
    and Breezy
    then
    Rain/Snow
    Likely and
    Blustery

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy.

    High: 44 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 36. North northeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 55. East northeast wind 10 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of rain showers after 1am, mixing with snow after 4am. Increasing clouds, with a low around 31. Northeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 43. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 25. Northwest wind 6 to 10 mph.
Thursday
Mostly cloudy, with a high near 51. Breezy.
Thursday Night
Rain likely before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 44. Breezy.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.
Saturday
Mostly cloudy, with a high near 46.
Saturday Night
Rain and snow likely. Cloudy, with a low around 27. Blustery. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 35. Windy.
Sunday Night
Mostly cloudy, with a low around 11. Windy.
Monday
Mostly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
10:26 pm CDT Mar 9, 2026
Forecast Valid:
1am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation