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.

Mostly Cloudy

21°F

-6°C

Humidity 54%
Wind Speed E 10 mph
Barometer 30.45 in (1033.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 1 Mar 9:53 am CST
Extended Forecast for

Mason City IA

  • Today

    Today: Mostly cloudy, with a high near 29. East southeast wind around 7 mph.

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. East southeast wind around 7 mph.

    Low: 20 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 39. South southeast wind 7 to 11 mph.

    High: 39 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 32. South southeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 44. East wind 3 to 7 mph.

    High: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 29. East southeast wind around 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 20. East southeast wind around 7 mph.
Monday
Mostly cloudy, with a high near 39. South southeast wind 7 to 11 mph.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 32. South southeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 44. East wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 47.
Wednesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 35.
Thursday
Mostly cloudy, with a high near 56.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
7:01 am CST Mar 1, 2026
Forecast Valid:
10am CST Mar 1, 2026-6pm CST Mar 7, 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