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

29°F

-2°C

Humidity 96%
Wind Speed S 10 mph
Barometer 29.75 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 5 Jan 1:15 am CST
Extended Forecast for

Lancaster WI

  • Overnight

    Overnight: Mostly clear, with a low around 27. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 39. West wind around 6 mph becoming calm in the morning.

    High: 39 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Patchy fog after 8pm. Otherwise, cloudy, with a low around 33. Southeast wind 3 to 5 mph.

    Low: 33 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Areas Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 42. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 42 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. West wind 3 to 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46. South wind 3 to 8 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. South wind around 7 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 43. South wind around 7 mph becoming north in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 30. North wind 6 to 8 mph.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 27. South wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 39. West wind around 6 mph becoming calm in the morning.
Monday Night
A 20 percent chance of rain after midnight. Patchy fog after 8pm. Otherwise, cloudy, with a low around 33. Southeast wind 3 to 5 mph.
Tuesday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 42. Light and variable wind becoming west 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 27. West wind 3 to 6 mph.
Wednesday
Sunny, with a high near 46. South wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 31. South wind around 7 mph.
Thursday
Mostly sunny, with a high near 43. South wind around 7 mph becoming north in the afternoon.
Thursday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 30. North wind 6 to 8 mph.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 38. Northeast wind 8 to 11 mph becoming northwest in the afternoon.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. West wind around 11 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 30. Blustery, with a west wind 11 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 14. Northwest wind 13 to 15 mph.
Sunday
Mostly sunny, with a high near 29. West wind around 11 mph, with gusts as high as 20 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:
9:46 pm CST Jan 4, 2026
Forecast Valid:
1am CST Jan 5, 2026-6pm CST Jan 11, 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