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

59°F

15°C

Humidity 33%
Wind Speed SW 6 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 2 May 7:53 pm CDT
Extended Forecast for

4 Miles E Grafton IA

  • Tonight

    Tonight: A chance of sprinkles before midnight, then a chance of showers, mainly between midnight and 3am. Increasing clouds, with a low around 44. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 66. Breezy, with a southwest wind 10 to 16 mph becoming northwest in the morning.

    High: 66 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Northwest wind 6 to 10 mph becoming southwest in the evening.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. Breezy, with a southwest wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 74 °F

    Breezy. Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 39. Breezy, with a north wind 8 to 17 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Northwest wind 8 to 14 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. North wind 5 to 14 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of sprinkles before midnight, then a chance of showers, mainly between midnight and 3am. Increasing clouds, with a low around 44. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 66. Breezy, with a southwest wind 10 to 16 mph becoming northwest in the morning.
Sunday Night
Mostly clear, with a low around 45. Northwest wind 6 to 10 mph becoming southwest in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. Breezy, with a southwest wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 39. Breezy, with a north wind 8 to 17 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 56. Northwest wind 8 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 34. North wind 5 to 14 mph.
Wednesday
Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 60. Northwest wind 5 to 14 mph.
Thursday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming light and variable.
Friday
Sunny, with a high near 67. Northwest wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 43. Northwest wind 5 to 9 mph.
Saturday
Sunny, with a high near 70. Northwest wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Grafton IA
 43.34°N 92.98°W
Last Update:
6:36 pm CDT May 2, 2026
Forecast Valid:
8pm CDT May 2, 2026-6pm CDT May 9, 2026
 
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Additional Resources

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Chance of Precipitation