National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 7 Aug 1:15 am CDT
Extended Forecast for

Potosi WI

  • Overnight

    Overnight: Isolated showers between 2am and 4am, then scattered showers and thunderstorms after 4am. Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. South wind 6 to 9 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Scattered
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. Southeast wind 6 to 8 mph.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 90. Heat index values as high as 98. South wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South wind around 13 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 11 to 13 mph.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. South wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 6 to 9 mph.

    High: 82 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Isolated showers between 2am and 4am, then scattered showers and thunderstorms after 4am. Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. South wind 6 to 9 mph. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. Southeast wind 6 to 8 mph.
Friday
Sunny, with a high near 90. Heat index values as high as 98. South wind 9 to 14 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South wind around 13 mph, with gusts as high as 21 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 11 to 13 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. South wind 7 to 9 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 6 to 9 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind 6 to 8 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southwest wind around 6 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. West wind 5 to 7 mph.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 65. West wind 3 to 6 mph.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 84. Southwest wind 3 to 7 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:
1:29 am CDT Aug 7, 2025
Forecast Valid:
1am CDT Aug 7, 2025-6pm CDT Aug 13, 2025
 
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