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

Dangerously Hot This Weekend - Be Ready!

Heat Advisories and Warnings are in effect this weekend with widespread hot and humid conditions. This heat will be dangerous - children, pets and the elderly are especially susceptible to the heat - check on them!!  Read More >

Hazardous Weather Conditions

Current conditions at

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Fair

82°F

28°C

Humidity 55%
Wind Speed SW 15 G 23 mph
Barometer 29.86 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 1:35 pm CDT
Extended Forecast for

Potosi WI

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 88. Breezy, with a south wind 15 to 17 mph, with gusts as high as 25 mph.

    High: 88 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 96 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Breezy, with a south wind 15 to 18 mph, with gusts as high as 29 mph.

    Low: 78 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Breezy, with a south wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 96 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 77. Breezy, with a south wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 77 °F

    Clear and
    Breezy then
    Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Southwest wind around 14 mph, with gusts as high as 23 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. West wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. North wind around 6 mph becoming south in the afternoon. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 88. Breezy, with a south wind 15 to 17 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 77. South wind 11 to 14 mph, with gusts as high as 26 mph.
Saturday
Sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a south wind 18 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 78. Breezy, with a south wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 96. Breezy, with a south wind 14 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 77. Breezy, with a south wind 14 to 18 mph, with gusts as high as 26 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Southwest wind around 14 mph, with gusts as high as 23 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. West wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. North wind around 6 mph becoming south in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 69. Northeast wind around 6 mph becoming southeast after midnight. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Southeast wind 6 to 8 mph becoming southwest in the morning. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Southwest wind 6 to 8 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 8 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potosi WI
 42.67°N 90.72°W
Last Update:
1:28 pm CDT Jun 20, 2025
Forecast Valid:
1pm CDT Jun 20, 2025-6pm CDT Jun 26, 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