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

New Lisbon Mauston Airport (K82C)

Lat: 43.84°NLon: 90.14°WElev: 906ft.

Fair

61°F

16°C

Humidity 89%
Wind Speed NW 3 mph
Barometer 30.00 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 5:35 am CDT
Extended Forecast for

Grand Marsh WI

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 59. Calm wind becoming south around 5 mph after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 77. South wind 5 to 11 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind around 8 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Southwest wind around 8 mph.

    High: 85 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 81. Light and variable wind.
Friday Night
Increasing clouds, with a low around 59. Calm wind becoming south around 5 mph after midnight.
Saturday
A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 77. South wind 5 to 11 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind around 8 mph. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Southwest wind around 8 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. Southwest wind 3 to 5 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64. Calm wind.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 82. Light and variable wind becoming south around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marsh WI
 43.88°N 89.71°W
Last Update:
4:21 am CDT Aug 27, 2026
Forecast Valid:
5am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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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