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.

73°F

23°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility NA
Last update 7 Aug 10:55 pm CDT
Extended Forecast for

Grand Marsh WI

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Light south wind.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 91. Heat index values as high as 97. South wind 6 to 14 mph.

    High: 91 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. South wind 10 to 13 mph, with gusts as high as 21 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely between 7pm and 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 68. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 68 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 3 to 6 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 3 to 6 mph.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Light south wind.
Friday
Partly sunny, with a high near 91. Heat index values as high as 97. South wind 6 to 14 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 21 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. South wind 10 to 13 mph, with gusts as high as 21 mph. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then showers and thunderstorms likely between 7pm and 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 68. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 3 to 6 mph.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 3 to 6 mph.
Monday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 83. Southwest wind 3 to 7 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63. Light south wind.
Thursday
A 20 percent chance of showers. Sunny, with a high near 85. South wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marsh WI
 43.88°N 89.71°W
Last Update:
9:59 pm CDT Aug 7, 2025
Forecast Valid:
11pm CDT Aug 7, 2025-6pm CDT Aug 14, 2025
 
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