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

49°F

9°C

Humidity 76%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 20 May 1:55 am CDT
Extended Forecast for

Potosi WI

  • Overnight

    Overnight: Partly cloudy, with a low around 44. Northwest wind around 7 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 63. North wind 6 to 9 mph.

    High: 63 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. East wind 5 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63. East wind around 10 mph.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. East wind around 11 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. East wind 11 to 14 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 70. Northeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. Northwest wind around 7 mph.
Wednesday
Increasing clouds, with a high near 63. North wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 44. East wind 5 to 8 mph.
Thursday
Partly sunny, with a high near 63. East wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 46. East wind around 11 mph.
Friday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. East wind 11 to 14 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 70. Northeast wind 5 to 7 mph becoming southwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. Light southeast wind.
Memorial Day
Mostly sunny, with a high near 82. South wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 84. Southeast wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potosi WI
 42.67°N 90.72°W
Last Update:
1:26 am CDT May 20, 2026
Forecast Valid:
2am CDT May 20, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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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