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

20°F

-7°C

Humidity 64%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 2 Jan 2:55 pm CST
Extended Forecast for

Lancaster WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Light north wind.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 24. Calm wind becoming west around 6 mph in the afternoon.

    High: 24 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 26. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 26 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. Southwest wind 5 to 7 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Light southeast wind.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. West wind 3 to 6 mph.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 14. Light north wind.
Saturday
Mostly cloudy, with a high near 24. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 26. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 23. South wind 8 to 11 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 40. Southwest wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 30. Light southeast wind.
Tuesday
Mostly sunny, with a high near 41. Light and variable wind becoming west 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 26. West wind 3 to 6 mph.
Wednesday
Sunny, with a high near 43. South wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 33. South wind around 6 mph.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 44. Southeast wind 6 to 8 mph becoming northwest in the afternoon.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32. Northwest wind around 9 mph.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 39. Northwest wind 9 to 11 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:
1:52 pm CST Jan 2, 2026
Forecast Valid:
3pm CST Jan 2, 2026-6pm CST Jan 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation