Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fog

33°F

1°C

Humidity 100%
Wind Speed SE 16 mph
Barometer 29.81 in (1010.2 mb)
Dewpoint 33°F (1°C)
Visibility 0.50 mi
Wind Chill23°F (-5°C)
Last update 27 Dec 4:53 am CST
Extended Forecast for

Mason City IA

Winter Storm Watch December 28, 06:00am until December 29, 06:00am
Dense Fog Advisory December 27, 05:16am until December 27, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
Dense Fog Advisory
  •  
    Dense Fog Advisory December 27, 05:16am until December 27, 12:00pm

    NOW until 12:00pm Sat

    Dense Fog Advisory

  • Today

    High: 43 °F

    Dense Fog

  • Tonight

    Tonight: A 30 percent chance of rain after 5am.  Areas of dense fog.  Otherwise, cloudy, with a low around 34. Light and variable wind becoming north northwest 5 to 9 mph after midnight.

    Low: 34 °F

    Areas Dense
    Fog then
    Chance Rain
    and Areas Fog

  • Sunday

    Sunday: Rain and snow, possibly mixed with sleet before 1pm, then snow, possibly mixed with freezing rain between 1pm and 3pm, then snow after 3pm.  Patchy blowing snow after 11am. Areas of fog before 7am. Temperature falling to around 15 by 5pm. Wind chill values as low as -5. Windy, with a northwest wind 13 to 18 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 44 mph.  Chance of precipitation is 90%. Little or no ice accumulation expected.  New snow and sleet accumulation of 1 to 2 inches possible.

    High: 35 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Widespread blowing snow, mainly between 7pm and midnight. Cloudy, with a low around 4. Wind chill values as low as -20. Windy, with a northwest wind 28 to 30 mph, with gusts as high as 41 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 4 °F

    Snow Likely
    and Blowing
    Snow

  • Monday

    Monday: A 20 percent chance of snow before noon.  Areas of blowing snow before noon. Partly sunny and cold, with a high near 10. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 36 mph.

    High: 10 °F

    Slight Chance
    Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Today
Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 43. South southeast wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of rain after 5am. Areas of dense fog. Otherwise, cloudy, with a low around 34. Light and variable wind becoming north northwest 5 to 9 mph after midnight.
Sunday
Rain and snow, possibly mixed with sleet before 1pm, then snow, possibly mixed with freezing rain between 1pm and 3pm, then snow after 3pm. Patchy blowing snow after 11am. Areas of fog before 7am. Temperature falling to around 15 by 5pm. Wind chill values as low as -5. Windy, with a northwest wind 13 to 18 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely, mainly before midnight. Widespread blowing snow, mainly between 7pm and midnight. Cloudy, with a low around 4. Wind chill values as low as -20. Windy, with a northwest wind 28 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow before noon. Areas of blowing snow before noon. Partly sunny and cold, with a high near 10. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around -1.
New Year's Day
Sunny and cold, with a high near 7.
Thursday Night
Mostly clear, with a low around -4.
Friday
Mostly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
3:46 am CST Dec 27, 2025
5am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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