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.

Fair

46°F

8°C

Humidity 79%
Wind Speed S 8 mph
Barometer 29.81 in (1009.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 Apr 3:53 am CDT
Extended Forecast for

Mason City IA

  • Today

    Today: Sunny, with a high near 78. Southwest wind around 6 mph becoming north in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. North wind around 5 mph becoming light and variable.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Breezy, with a south southeast wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Breezy, with a south wind around 16 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Windy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Windy. Mostly
    Cloudy then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 45. Breezy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Southwest wind around 6 mph becoming north in the afternoon.
Tonight
Clear, with a low around 45. North wind around 5 mph becoming light and variable.
Wednesday
Sunny, with a high near 82. Breezy, with a south southeast wind 6 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 58. Breezy, with a south wind around 16 mph, with gusts as high as 24 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Windy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 45. Breezy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 59.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 59.
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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:
3:07 am CDT Apr 21, 2026
Forecast Valid:
4am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
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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