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.

Mostly Cloudy

69°F

21°C

Humidity 69%
Wind Speed NE 6 mph
Barometer 30.32 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Sep 12:35 pm CDT
Extended Forecast for

Lancaster WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 66. Southeast wind around 7 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 50. East wind 3 to 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. Southeast wind 6 to 9 mph.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 54. Light southeast wind.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 64. Light southeast wind. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Southeast wind 3 to 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66. South wind 7 to 11 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 66. Southeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 50. East wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 65. Southeast wind 6 to 9 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 54. Light southeast wind.
Sunday
A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 64. Light southeast wind. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 54. Calm wind.
Monday
Mostly sunny, with a high near 68. Light and variable wind.
Monday Night
Partly cloudy, with a low around 55. Southeast wind 3 to 6 mph.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66. South wind 7 to 11 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 66. West wind around 9 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 66. South wind around 10 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster WI
 42.85°N 90.71°W
Last Update:
11:31 am CDT Sep 25, 2026
Forecast Valid:
12pm CDT Sep 25, 2026-6pm CDT Oct 1, 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