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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Fair

60°F

16°C

Humidity 100%
Wind Speed E 7 mph
Barometer 30.12 in
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 29 Aug 10:35 pm CDT
Extended Forecast for

Potosi WI

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 60. Light east wind.

    Low: 60 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 74. East wind 3 to 5 mph.

    High: 74 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. East wind 3 to 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Southeast wind 3 to 6 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Light east wind.

    Low: 54 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind 3 to 6 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 60. Light east wind.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 74. East wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 57. East wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 75. Southeast wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 54. Light east wind.
Labor Day
Sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 55. Calm wind.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind 3 to 6 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 67. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45. Northwest wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 62. Northwest wind 8 to 10 mph.
Thursday Night
Partly cloudy, with a low around 46. West wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 68. West wind 7 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potosi WI
 42.67°N 90.72°W
Last Update:
9:14 pm CDT Aug 29, 2025
Forecast Valid:
10pm CDT Aug 29, 2025-6pm CDT Sep 5, 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