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

40°F

4°C

Humidity 82%
Wind Speed E 8 mph
Barometer 29.89 in
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Wind Chill35°F (2°C)
Last update 17 Feb 2:35 am CST
Extended Forecast for

Potosi WI

  • Overnight

    Overnight: Partly cloudy, with a low around 40. East wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. Breezy, with a southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 58 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain and thunderstorms, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 46. Breezy, with a southeast wind 14 to 21 mph becoming west after midnight. Winds could gust as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 59. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. West wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after noon. Mostly sunny, with a high near 54. East wind 7 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before midnight, then snow likely, possibly mixed with rain. Mostly cloudy, with a low around 30. Northeast wind 13 to 15 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 36. Breezy, with a west wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 36 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. West wind 10 to 14 mph.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. East wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 58. Breezy, with a southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A 40 percent chance of rain and thunderstorms, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 46. Breezy, with a southeast wind 14 to 21 mph becoming west after midnight. Winds could gust as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 59. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 34. West wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Thursday
A 40 percent chance of rain, mainly after noon. Mostly sunny, with a high near 54. East wind 7 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before midnight, then snow likely, possibly mixed with rain. Mostly cloudy, with a low around 30. Northeast wind 13 to 15 mph becoming west after midnight. Chance of precipitation is 70%.
Friday
A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 36. Breezy, with a west wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 22. West wind 10 to 14 mph.
Saturday
Partly sunny, with a high near 35. Northwest wind around 11 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 11 mph.
Sunday
Mostly sunny, with a high near 29. Northwest wind 11 to 14 mph.
Sunday Night
Partly cloudy, with a low around 14. Northwest wind 8 to 11 mph.
Monday
Sunny, with a high near 32. North wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potosi WI
 42.69°N 90.72°W
Last Update:
1:31 am CST Feb 17, 2026
Forecast Valid:
2am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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