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

32°F

0°C

Humidity 82%
Wind Speed W 15 mph
Barometer 30.00 in (1017.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 30 Dec 4:53 pm CST
Extended Forecast for

4 Miles E Grafton IA

  • Tonight

    Tonight: A slight chance of snow and freezing rain after 11pm. Mostly cloudy, with a low around 24. Northwest wind 10 to 14 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before 4pm. Mostly cloudy, with a temperature rising to near 28 by 10am, then falling to around 18 during the remainder of the day. Northwest wind 11 to 14 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F⇓

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1. Wind chill values as low as -8. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.

    Low: 1 °F

    Partly Cloudy

  • 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 5 mph.

    High: 16 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. Calm wind becoming northwest around 5 mph after midnight.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 16. Northwest wind around 7 mph.

    High: 16 °F

    Partly Sunny

  • Friday Night

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

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 21. Calm wind becoming south around 6 mph in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12. Southeast wind 6 to 8 mph.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow and freezing rain after 11pm. Mostly cloudy, with a low around 24. Northwest wind 10 to 14 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of snow, mainly before 4pm. Mostly cloudy, with a temperature rising to near 28 by 10am, then falling to around 18 during the remainder of the day. Northwest wind 11 to 14 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 1. Wind chill values as low as -8. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.
New Year's Day
Mostly sunny, with a high near 16. Wind chill values as low as zero. Calm wind becoming southwest around 5 mph.
Thursday Night
Mostly cloudy, with a low around 8. Calm wind becoming northwest around 5 mph after midnight.
Friday
Partly sunny, with a high near 16. Northwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 6. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 21. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 12. Southeast wind 6 to 8 mph.
Sunday
Partly sunny, with a high near 29. Southeast wind 8 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 17. South wind around 8 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 27. Northwest wind around 8 mph.
Monday Night
Mostly cloudy, with a low around 14. Northwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 25. West wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Grafton IA
 43.34°N 92.98°W
Last Update:
4:51 pm CST Dec 30, 2025
Forecast Valid:
4pm CST Dec 30, 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