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

31°F

-1°C

Humidity 92%
Wind Speed NW 8 mph
Barometer 29.94 in (1014.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 15 Feb 6:53 am CST
Extended Forecast for

4 Miles NW Grafton IA

  • Today

    Today: Sunny, with a high near 55. Northwest wind 5 to 8 mph becoming south southwest in the afternoon.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 57. West southwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. East northeast wind 6 to 9 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Windy, with an east southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 56 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 42. Windy. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    and Windy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 52. Windy.

    High: 52 °F

    Chance Rain
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of rain and snow after noon. Partly sunny, with a high near 40. Breezy. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Sunny
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 55. Northwest wind 5 to 8 mph becoming south southwest in the afternoon.
Tonight
Partly cloudy, with a low around 38. South wind 6 to 11 mph, with gusts as high as 21 mph.
Washington's Birthday
Sunny, with a high near 57. West southwest wind 5 to 10 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 37. East northeast wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 56. Windy, with an east southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42. Windy. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 52. Windy.
Wednesday Night
Partly cloudy, with a low around 27. Breezy.
Thursday
A chance of rain and snow after noon. Partly sunny, with a high near 40. Breezy. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Grafton IA
 43.36°N 93.13°W
Last Update:
5:46 am CST Feb 15, 2026
Forecast Valid:
7am CST Feb 15, 2026-6pm CST Feb 21, 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