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

4°F

-16°C

Humidity 76%
Wind Speed Calm
Barometer 30.35 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 30 Jan 3:55 am CST
Extended Forecast for

Lancaster WI

  • Overnight

    Overnight: A chance of flurries before 5am. Mostly cloudy, with a low around -4. Wind chill values as low as -14. North wind around 6 mph.

    Low: -4 °F

    Chance
    Flurries

  • Friday

    Friday: Mostly sunny, with a high near 12. Wind chill values as low as -15. North wind 6 to 14 mph.

    High: 12 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. Wind chill values as low as -13. North wind around 9 mph.

    Low: 0 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 19. Wind chill values as low as -13. Northwest wind 3 to 8 mph.

    High: 19 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 22. South wind 8 to 13 mph. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15. Southwest wind around 7 mph becoming northwest after midnight.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25. Northwest wind 3 to 7 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. Calm wind becoming east around 5 mph after midnight.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 5am. Mostly cloudy, with a low around -4. Wind chill values as low as -14. North wind around 6 mph.
Friday
Mostly sunny, with a high near 12. Wind chill values as low as -15. North wind 6 to 14 mph.
Friday Night
Mostly clear, with a low around 0. Wind chill values as low as -13. North wind around 9 mph.
Saturday
Sunny, with a high near 19. Wind chill values as low as -13. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 2. Calm wind becoming south 5 to 7 mph after midnight.
Sunday
A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 22. South wind 8 to 13 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 15. Southwest wind around 7 mph becoming northwest after midnight.
Monday
Partly sunny, with a high near 25. Northwest wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 14. Calm wind becoming east around 5 mph after midnight.
Tuesday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 26. East wind 5 to 7 mph.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15. East wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 26. Northeast wind around 7 mph becoming northwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 13. West wind around 6 mph.
Thursday
Mostly cloudy, with a high near 29. Southwest wind 6 to 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:
3:16 am CST Jan 30, 2026
Forecast Valid:
4am CST Jan 30, 2026-6pm CST Feb 5, 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