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

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Last update 9 Apr 3:55 am CDT
Extended Forecast for

Lancaster WI

  • Today

    Today: Increasing clouds, with a high near 58. West wind 6 to 9 mph.

    High: 58 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers, mainly before 4am. Low around 38. Light and variable wind becoming north around 6 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 54. Northwest wind 7 to 10 mph.

    High: 54 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 56. Southeast wind 6 to 14 mph.

    High: 56 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Breezy, with a southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.

    High: 69 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Breezy, with a south wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 58. West wind 6 to 9 mph.
Tonight
Showers, mainly before 4am. Low around 38. Light and variable wind becoming north around 6 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, then gradually becoming sunny, with a high near 54. Northwest wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 56. Southeast wind 6 to 14 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Breezy, with a southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy, with a south wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Breezy, with a south wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 70. Southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 45. South wind 11 to 14 mph becoming east in the evening. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 61. Southeast wind around 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster WI
 42.85°N 90.71°W
Last Update:
4:06 am CDT Apr 9, 2026
Forecast Valid:
4am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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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