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

51°F

11°C

Humidity 50%
Wind Speed N 17 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 5 Nov 10:53 am CST
Extended Forecast for

Grafton IA

  • Today

    Today: Sunny, with a high near 54. Breezy, with a west northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 54 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West northwest wind 5 to 7 mph becoming calm.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 53. Windy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 53 °F

    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 42. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. Breezy, with a west northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 31. West northwest wind 5 to 7 mph becoming calm.
Thursday
Mostly cloudy, with a high near 53. Windy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 42. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph.
Friday
Mostly sunny, with a high near 55. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Saturday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 16.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 20.
Veterans Day
Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grafton IA
 43.34°N 93.07°W
Last Update:
11:11 am CST Nov 5, 2025
Forecast Valid:
11am CST Nov 5, 2025-6pm CST Nov 11, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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