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.

Thunderstorm Unknown Precip Fog/Mist

31°F

-1°C

Humidity 92%
Wind Speed NE 20 G 33 mph
Barometer 29.52 in (1000.4 mb)
Dewpoint 29°F (-2°C)
Visibility 5.00 mi
Wind Chill19°F (-7°C)
Last update 15 Mar 4:53 am CDT
Extended Forecast for

Mason City IA

Blizzard Warning March 15, 07:00am until March 16, 07:00am
High Wind Warning March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning

  • Overnight

    Overnight: Rain and possibly a thunderstorm. Low around 30. Breezy, with an east wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 30 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain, freezing rain and sleet, possibly mixed with snow before 10am, then snow likely, possibly mixed with freezing rain between 10am and 11am, then snow after 11am. Some thunder is also possible. Widespread blowing snow, mainly after 4pm. Temperature falling to around 28 by 4pm. Very windy, with a north wind 18 to 23 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.

    High: 31 °F⇓

    Wintry Mix
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Widespread blowing snow. Low around 3. Wind chill values as low as -15. Very windy, with a north northwest wind 33 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 3 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: Areas of blowing snow. Partly sunny, with a high near 11. Wind chill values as low as -20. Windy, with a northwest wind 23 to 29 mph, with gusts as high as 38 mph.

    High: 11 °F

    Areas Blowing
    Snow and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3. Blustery, with a northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: -3 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 30 percent chance of snow after 1pm. Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely before 4am, then a slight chance of sleet. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Likely
    then
    Snow/Sleet
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Low around 30. Breezy, with an east wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain, freezing rain and sleet, possibly mixed with snow before 10am, then snow likely, possibly mixed with freezing rain between 10am and 11am, then snow after 11am. Some thunder is also possible. Widespread blowing snow, mainly after 4pm. Temperature falling to around 28 by 4pm. Very windy, with a north wind 18 to 23 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow. Low around 3. Wind chill values as low as -15. Very windy, with a north northwest wind 33 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Areas of blowing snow. Partly sunny, with a high near 11. Wind chill values as low as -20. Windy, with a northwest wind 23 to 29 mph, with gusts as high as 38 mph.
Monday Night
Partly cloudy, with a low around -3. Blustery, with a northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Tuesday
A 30 percent chance of snow after 1pm. Mostly sunny, with a high near 27.
Tuesday Night
Snow likely before 4am, then a slight chance of sleet. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 54.
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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:
4:36 am CDT Mar 15, 2026
Forecast Valid:
5am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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