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

56°F

13°C

Humidity 84%
Wind Speed SE 8 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 May 12:53 am CDT
Extended Forecast for

Grafton IA

  • Overnight

    Overnight: Mostly clear, with a low around 46. East southeast wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South southeast wind 6 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. South southeast wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. West southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West wind 6 to 8 mph becoming east in the evening.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 56. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 83. Breezy.

    High: 83 °F

    Sunny then
    Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Breezy.

    Low: 56 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 46. East southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 73. South southeast wind 6 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. South southeast wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. West southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 51. West wind 6 to 8 mph becoming east in the evening.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 79. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 56. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 83. Breezy.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Breezy.
Sunday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 77.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 76.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 53.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grafton IA
 43.34°N 93.07°W
Last Update:
12:18 am CDT May 15, 2024
Forecast Valid:
1am CDT May 15, 2024-6pm CDT May 21, 2024
 
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Additional Resources

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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