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.

Overcast

33°F

1°C

Humidity 89%
Wind Speed NW 14 mph
Barometer 30.00 in (1016.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 31 Dec 2:53 am CST
Extended Forecast for

6 Miles SE Grafton IA

  • Overnight

    Overnight: A slight chance of snow before 4am, then a slight chance of freezing rain between 4am and 5am. Cloudy, with a low around 29. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly before 2pm. Cloudy, with a temperature rising to near 31 by 9am, then falling to around 19 during the remainder of the day. North wind 11 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F⇓

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -8. North wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.

    Low: 0 °F

    Decreasing
    Clouds

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 16. Wind chill values as low as zero. Calm wind becoming southwest around 6 mph.

    High: 16 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. Calm wind becoming northwest around 5 mph after midnight.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17. North wind around 6 mph.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. North wind around 5 mph becoming calm in the evening.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 22. Calm wind becoming southwest around 5 mph.

    High: 22 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11. Light and variable wind becoming southeast around 6 mph after midnight.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of snow before 4am, then a slight chance of freezing rain between 4am and 5am. Cloudy, with a low around 29. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of snow, mainly before 2pm. Cloudy, with a temperature rising to near 31 by 9am, then falling to around 19 during the remainder of the day. North wind 11 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -8. North wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.
New Year's Day
Mostly sunny, with a high near 16. Wind chill values as low as zero. Calm wind becoming southwest around 6 mph.
Thursday Night
Mostly cloudy, with a low around 9. Calm wind becoming northwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 17. North wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 6. North wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 22. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 11. Light and variable wind becoming southeast around 6 mph after midnight.
Sunday
Partly sunny, with a high near 29. Southeast wind 6 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 19. Southeast wind 7 to 9 mph becoming northwest after midnight.
Monday
Partly sunny, with a high near 32. North wind around 8 mph becoming west in the morning.
Monday Night
Mostly cloudy, with a low around 19. Northwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 30. Northwest wind 6 to 8 mph becoming west in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Grafton IA
 43.27°N 92.98°W
Last Update:
2:36 am CST Dec 31, 2025
Forecast Valid:
3am CST Dec 31, 2025-6pm CST Jan 6, 2026
 
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