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

Dangerous Heat Possible Next Week

A turn to hot and humid conditions is expected starting Monday. Dangerously hot conditions are possible through next week, particularly on Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Partly Cloudy

67°F

19°C

Humidity 87%
Wind Speed E 8 mph
Barometer 29.95 in
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Last update 27 Jun 10:35 pm CDT
Extended Forecast for

5 Miles NNW Potosi WI

Extreme Heat Watch June 29, 12:00pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 63. East wind 7 to 9 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 86. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 86 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms between 10pm and 11pm. Mostly cloudy, with a low around 74. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 102. Breezy, with a south wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 92 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Breezy, with a south wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93. Breezy, with a south wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 93 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South wind 10 to 15 mph.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91. South wind 9 to 14 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South wind 7 to 13 mph.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. East wind 7 to 9 mph.
Sunday
Partly sunny, with a high near 86. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 28 mph.
Sunday Night
A slight chance of showers and thunderstorms between 10pm and 11pm. Mostly cloudy, with a low around 74. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 92. Heat index values as high as 102. Breezy, with a south wind 11 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 76. Breezy, with a south wind 13 to 18 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 93. Breezy, with a south wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South wind 10 to 15 mph.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91. South wind 9 to 14 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South wind 7 to 13 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Southwest wind 8 to 11 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 5 to 8 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 6 to 9 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. South wind around 6 mph.
Independence Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Potosi WI
 42.76°N 90.75°W
Last Update:
8:48 pm CDT Jun 27, 2026
Forecast Valid:
10pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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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