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

47°F

8°C

Humidity 79%
Wind Speed Calm
Barometer 29.71 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Mar 1:35 am CDT
Extended Forecast for

Lancaster WI

  • Overnight

    Overnight: Mostly clear, with a low around 38. Calm wind becoming northeast around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 55. East wind 10 to 15 mph.

    High: 55 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 32. East wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain showers likely before 9am, then snow showers likely. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Breezy.
    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 46. Breezy, with a south wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 46 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely before 4am, then rain and snow likely. Mostly cloudy, with a low around 33. Breezy, with a south wind 16 to 21 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%.

    Low: 33 °F

    Breezy. Rain
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow likely before 7am. Partly sunny, with a high near 44. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 44 °F

    Breezy. Snow
    Likely then
    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Northwest wind 5 to 7 mph becoming east after midnight.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Calm wind becoming northeast around 6 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 55. East wind 10 to 15 mph.
Tuesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 32. East wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain showers likely before 9am, then snow showers likely. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 24. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 46. Breezy, with a south wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Rain likely before 4am, then rain and snow likely. Mostly cloudy, with a low around 33. Breezy, with a south wind 16 to 21 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Friday
Snow likely before 7am. Partly sunny, with a high near 44. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Northwest wind 5 to 7 mph becoming east after midnight.
Saturday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Cloudy, with a high near 45. Southeast wind 8 to 13 mph. Chance of precipitation is 30%.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 29. East wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Sunday
Rain and snow showers likely. Cloudy, with a high near 36. Breezy, with a north wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 12. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 29 mph.
Monday
Partly sunny, with a high near 24. Northwest wind around 14 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster WI
 42.85°N 90.71°W
Last Update:
1:41 am CDT Mar 10, 2026
Forecast Valid:
1am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation