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.

Overcast

20°F

-7°C

Humidity 81%
Wind Speed SE 3 mph
Barometer 29.85 in
Dewpoint 15°F (-9°C)
Visibility 5.00 mi
Last update 26 Feb 6:55 am CST
Extended Forecast for

Lancaster WI

  • Today

    Today: Mostly sunny, with a high near 40. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Southwest wind around 7 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Breezy, with a southwest wind 8 to 17 mph becoming west in the afternoon. Winds could gust as high as 29 mph.

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 22. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 22 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Snow likely, mainly before noon. Cloudy, with a high near 27. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10. North wind 7 to 10 mph.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 27. Northeast wind around 8 mph.

    High: 27 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. East wind around 6 mph.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34. Southeast wind 6 to 10 mph.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 40. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 26. Southwest wind around 7 mph.
Friday
Mostly sunny, with a high near 51. Breezy, with a southwest wind 8 to 17 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Increasing clouds, with a low around 22. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Saturday
Snow likely, mainly before noon. Cloudy, with a high near 27. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Partly cloudy, with a low around 10. North wind 7 to 10 mph.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 27. Northeast wind around 8 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. East wind around 6 mph.
Monday
Partly sunny, with a high near 34. Southeast wind 6 to 10 mph.
Monday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 21. South wind around 7 mph.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 40. South wind 6 to 9 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 24. West wind around 6 mph becoming northeast after midnight.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 44. Northeast wind 6 to 10 mph becoming south in the afternoon.
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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:
5:31 am CST Feb 26, 2026
Forecast Valid:
7am CST Feb 26, 2026-6pm CST Mar 4, 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