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.

Fair

28°F

-2°C

Humidity 75%
Wind Speed SW 12 mph
Barometer 30.25 in (1025.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 11 Jan 4:53 pm CST
Extended Forecast for

Fertile IA

  • Tonight

    Tonight: Increasing clouds, with a low around 25. South southwest wind 6 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 41. West southwest wind 6 to 9 mph.

    High: 41 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a steady temperature around 35. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Breezy, with a west northwest wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 33 mph.

    Low: 21 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 25. Windy.

    High: 25 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 30.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. South southwest wind 6 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 41. West southwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a steady temperature around 35. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. Breezy, with a west northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Windy, with a northwest wind 17 to 26 mph, with gusts as high as 33 mph.
Wednesday
Partly sunny, with a high near 25. Windy.
Wednesday Night
Mostly clear, with a low around 11.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 30.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 30. Blustery. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 7. Blustery.
Saturday
Partly sunny, with a high near 16. Blustery.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fertile IA
 43.26°N 93.43°W
Last Update:
5:06 pm CST Jan 11, 2026
Forecast Valid:
5pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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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