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

29°F

-2°C

Humidity 41%
Wind Speed E 12 mph
Barometer 30.38 in (1030.0 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 1 Mar 3:53 pm CST
Extended Forecast for

6 Miles SE Grafton IA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 18. East wind 5 to 7 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Monday

    Monday: Increasing clouds, with a high near 40. South wind 8 to 13 mph.

    High: 40 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 31. Southeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Slight Chance
    Rain then
    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 43. Southeast wind 5 to 7 mph.

    High: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Partly cloudy, with a low around 31. Northeast wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 46. East wind 6 to 8 mph.

    High: 46 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 33. East wind around 6 mph.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 56. Southeast wind 5 to 10 mph.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of rain and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 38. Southeast wind around 10 mph.

    Low: 38 °F

    Slight Chance
    T-storms then
    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 18. East wind 5 to 7 mph.
Monday
Increasing clouds, with a high near 40. South wind 8 to 13 mph.
Monday Night
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 31. Southeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 43. Southeast wind 5 to 7 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Partly cloudy, with a low around 31. Northeast wind around 6 mph.
Wednesday
A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 46. East wind 6 to 8 mph.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 33. East wind around 6 mph.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 56. Southeast wind 5 to 10 mph.
Thursday Night
A 50 percent chance of rain and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 38. Southeast wind around 10 mph.
Friday
Rain likely, mainly before noon. Mostly cloudy, with a high near 59. Breezy, with a southeast wind 10 to 16 mph becoming west in the afternoon. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 27. Northwest wind 9 to 14 mph.
Saturday
Mostly sunny, with a high near 54. West wind 9 to 13 mph.
Saturday Night
Mostly clear, with a low around 33. Southwest wind 9 to 11 mph.
Sunday
Sunny, with a high near 61. Breezy, with a southwest wind 11 to 17 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Grafton IA
 43.27°N 92.98°W
Last Update:
2:36 pm CST Mar 1, 2026
Forecast Valid:
4pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation