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.

A Few Clouds

48°F

9°C

Humidity 83%
Wind Speed SE 17 G 29 mph
Barometer 29.31 in (992.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Feb 8:53 pm CST
Extended Forecast for

Mason City IA

Wind Advisory February 18, 08:00am until February 18, 04:00pm
Red Flag Warning February 18, 10:00am until February 18, 07:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Breezy, with a southeast wind 14 to 18 mph becoming west after midnight. Winds could gust as high as 29 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Breezy.
    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 56. Windy, with a west wind 28 to 33 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 56 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Breezy, with a west wind 7 to 17 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.

    Low: 29 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: A chance of rain before 3pm, then a chance of rain and snow. Partly sunny, with a high near 44. North northeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow Likely
    and Blustery

  • Friday

    Friday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 31. Blustery.

    High: 31 °F

    Chance Snow
    and Blustery

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Breezy, with a southeast wind 14 to 18 mph becoming west after midnight. Winds could gust as high as 29 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 56. Windy, with a west wind 28 to 33 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 46 mph.
Wednesday Night
Mostly clear, with a low around 29. Breezy, with a west wind 7 to 17 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.
Thursday
A chance of rain before 3pm, then a chance of rain and snow. Partly sunny, with a high near 44. North northeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Snow likely. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 31. Blustery.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 9.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 41. Breezy.
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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:
8:47 pm CST Feb 17, 2026
Forecast Valid:
9pm CST Feb 17, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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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