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

57°F

14°C

Humidity 92%
Wind Speed E 10 mph
Barometer 30.15 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 11:15 pm CDT
Extended Forecast for

Lancaster WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. East wind around 8 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 57. East wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Breezy.
    Showers
    Likely then
    Decreasing
    Clouds

  • Friday

    Friday: A 40 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 52. Breezy, with a north wind 16 to 22 mph, with gusts as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North wind 10 to 15 mph becoming light northwest after midnight. Winds could gust as high as 23 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 56 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy, with a south wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. South wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. East wind around 8 mph.
Thursday
Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 57. East wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 52. Breezy, with a north wind 16 to 22 mph, with gusts as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North wind 10 to 15 mph becoming light northwest after midnight. Winds could gust as high as 23 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light southwest wind increasing to 8 to 13 mph in the morning.
Saturday Night
Clear, with a low around 40. South wind around 9 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 63. Breezy, with a south wind 11 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 44. South wind 5 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 66. Southwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 49. South wind around 6 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 70. South wind 6 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster WI
 42.85°N 90.71°W
Last Update:
11:31 pm CDT Oct 14, 2026
Forecast Valid:
11pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation