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

48°F

9°C

Humidity 100%
Wind Speed SE 14 mph
Barometer 29.41 in
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 18 Feb 12:35 am CST
Extended Forecast for

Lancaster WI

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a steady temperature around 50. Breezy, with a south wind 15 to 17 mph becoming southwest. Winds could gust as high as 32 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 59. Windy, with a west wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 59 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Southwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 31 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after noon. Mostly sunny, with a high near 50. Northeast wind 6 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 28. Breezy, with a northeast wind 11 to 16 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 34. Breezy, with a west wind 14 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. West wind 8 to 13 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Northwest wind 8 to 13 mph.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind 11 to 14 mph.

    Low: 17 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a steady temperature around 50. Breezy, with a south wind 15 to 17 mph becoming southwest. Winds could gust as high as 32 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 59. Windy, with a west wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph.
Wednesday Night
Mostly clear, with a low around 32. Southwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 31 mph.
Thursday
A 40 percent chance of rain, mainly after noon. Mostly sunny, with a high near 50. Northeast wind 6 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 28. Breezy, with a northeast wind 11 to 16 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly before noon. Partly sunny, with a high near 34. Breezy, with a west wind 14 to 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 20. West wind 8 to 13 mph.
Saturday
Mostly sunny, with a high near 34. Northwest wind 8 to 13 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind 11 to 14 mph.
Sunday
Partly sunny, with a high near 27. Blustery, with a northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 12. North wind 7 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 29. North wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 16. North wind 6 to 10 mph becoming southeast after midnight.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 38. Breezy, with a south wind 10 to 17 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lancaster WI
 42.85°N 90.71°W
Last Update:
11:31 pm CST Feb 17, 2026
Forecast Valid:
12am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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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