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

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Fair

69°F

21°C

Humidity 86%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Sep 9:15 pm CDT
Extended Forecast for

Lancaster WI

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 4am and 5am. Partly cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Mostly sunny, with a high near 83. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 62. East wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southeast wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 78 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind around 6 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 4am and 5am. Partly cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Mostly sunny, with a high near 83. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 62. East wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southeast wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind around 6 mph. Chance of precipitation is 50%.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southwest wind 6 to 9 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind around 6 mph.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 75. West wind 6 to 9 mph.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55. West wind around 6 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 75. Northwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster WI
 42.85°N 90.71°W
Last Update:
7:58 pm CDT Sep 17, 2025
Forecast Valid:
9pm CDT Sep 17, 2025-6pm CDT Sep 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation