National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

John F Kennedy Memorial Airport (KASX)

Lat: 46.55°NLon: 90.92°WElev: 814ft.

Fog

45°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in (1018.7 mb)
Dewpoint 45°F (7°C)
Visibility 0.15 mi
Last update 22 Jun 5:53 am CDT
Extended Forecast for

Mason WI

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 71. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 75 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Patchy fog after midnight. Low around 51. Northeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. Patchy fog before 8am. High near 68. West wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 70. Calm wind becoming north around 5 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 71. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Patchy fog after midnight. Low around 51. Northeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. Patchy fog before 8am. High near 68. West wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 70. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 50. Northeast wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason WI
 46.43°N 91.07°W
Last Update:
6:07 am CDT Jun 22, 2026
Forecast Valid:
6am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
Forecast Discussion
 
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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