Potosi, Wisconsin Weather
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Weather Forecast for Potosi, Wisconsin : Grant County
Issued: 1:14 pm CDT Aug 25, 2025 Latitude: 42.6894392 Longitude: -90.7120713 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Labor Day
Mostly Clear on Tonight Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of thunderstorms on Thursday Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Labor Day
Low: 48°F High: 71°F High: 73°F High: 74°F High: 71°F High: 71°F High: 73°F High: 75°F
Low: 51°F Low: 57°F Low: 50°F Low: 50°F Low: 53°F Low: 55°F  
Mostly Clear Sunny Mostly Sunny Thunderstorms Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
DUBUQUE - (KDBQ)
68°
Partly Cloudy
as of 3:53 PM CDST
Rel. Humidity: 49%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
14 MPH
310° Northwest
Cloud Level(s): Scattered at 5000ft
Current Conditions at
MINERAL POINT - (KMRJ)
59°
Clear
as of 3:55 PM CDST
Rel. Humidity: 51%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 17 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
PRAIRIE DU CHIEN - (KPDC)
70°
Clear
as of 3:55 PM CDST
Rel. Humidity: 40%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 16 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
MONTICELLO MUNICIPAL - (KMXO)
70°
Mostly Clear
as of 3:55 PM CDST
Rel. Humidity: 46%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
12 MPH
320° Northwest
Cloud Level(s): Few at 5000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 48. Northwest wind 5 to 9 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 71. Northwest wind 5 to 9 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 51. Light southwest wind.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 73. Light southwest wind increasing to 5 to 10 mph in the morning.
40% chance of thunderstorms Wednesday Night Wednesday Night... A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
20% chance of thunderstorms Thursday Thursday... A slight chance of thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 74. West wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 20%.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 50. East wind 5 to 7 mph.
Sunny on Friday Friday... Sunny, with a high near 71. East wind around 6 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 50. Light east wind.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 53. Calm wind.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 73. Calm wind becoming east around 6 mph in the afternoon.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 55. Light east wind.
Mostly Sunny on Labor Day Labor Day... Mostly sunny, with a high near 75. Calm wind becoming east around 6 mph in the afternoon.
Current Radar Image


Sun Almanac for Potosi, Wisconsin
Sunrise: 06:21 AM
Sunset: 7:49 PM
Civil Sunrise:05:51 AM
Civil Sunset: 8:18 PM
Nautical Sunrise: 05:16 AM
Nautical Sunset: 8:54 PM
Astro Sunrise: 04:38 AM
Astro Sunset: 9:32 PM
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