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

17°F

-8°C

Humidity 86%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 24 Feb 1:35 am CST
Extended Forecast for

Lancaster WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 15. South wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow between 2pm and 3pm. Mostly cloudy, with a high near 35. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

    High: 35 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 15 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26. West wind 5 to 13 mph.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 15. Calm wind becoming east around 5 mph after midnight.

    Low: 15 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 37. East wind 5 to 9 mph becoming southwest in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Southwest wind 6 to 9 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. West wind around 10 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 15. South wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of rain and snow between 2pm and 3pm. Mostly cloudy, with a high near 35. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 26. West wind 5 to 13 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15. Calm wind becoming east around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 37. East wind 5 to 9 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 25. Southwest wind 6 to 9 mph.
Friday
Sunny, with a high near 51. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 24. West wind around 10 mph becoming north after midnight. Winds could gust as high as 18 mph.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 32. North wind 10 to 13 mph.
Saturday Night
Partly cloudy, with a low around 11. North wind around 10 mph.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 27. Northeast wind around 9 mph.
Sunday Night
A 40 percent chance of snow. Partly cloudy, with a low around 15. East wind around 8 mph.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 32. Southeast wind 8 to 10 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:
1:31 am CST Feb 24, 2026
Forecast Valid:
1am CST Feb 24, 2026-6pm CST Mar 2, 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