Potosi, Wisconsin Weather
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Weather Forecast for Potosi, Wisconsin : Grant County
Issued: 5:44 am CDT Jun 17, 2025 Latitude: 42.6894392 Longitude: -90.7120713 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Juneteenth Friday Saturday Sunday Monday
60% chance of thunderstorms on Today 70% chance of thunderstorms on Tonight 80% chance of thunderstorms on Wednesday Sunny on Juneteenth 20% chance of thunderstorms on Friday Sunny on Saturday Sunny on Sunday 30% chance of thunderstorms on Monday
High: 85°F Low: 65°F High: 77°F High: 85°F High: 87°F High: 93°F High: 93°F High: 91°F
Low: 62°F Low: 67°F Low: 75°F Low: 76°F Low: 75°F  
Thunderstorms Thunderstorms Thunderstorms Sunny Thunderstorms Sunny Sunny Thunderstorms
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Current Conditions at
DUBUQUE - (KDBQ)
66°
Clear
as of 6:53 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 7 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
MINERAL POINT - (KMRJ)
70°
Clear
as of 7:35 AM CDST
Rel. Humidity: 83%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
9 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
PRAIRIE DU CHIEN - (KPDC)
70°
Clear
as of 7:35 AM CDST
Rel. Humidity: 83%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MONTICELLO MUNICIPAL - (KMXO)
70°
Clear
as of 7:15 AM CDST
Rel. Humidity: 100%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Clear
60% chance of thunderstorms Today Today... Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 85. West wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
70% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then showers and thunderstorms likely after 1am. Cloudy, with a low around 65. Northwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Wednesday Wednesday... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. Northeast wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
20% chance of thunderstorms Wednesday Night Wednesday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Northwest wind 6 to 10 mph.
Sunny on Juneteenth Juneteenth... Sunny, with a high near 85. West wind 6 to 9 mph.
30% chance of thunderstorms Thursday Night Thursday Night... A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southwest wind around 7 mph.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. South wind 7 to 14 mph, with gusts as high as 23 mph.
20% chance of thunderstorms Friday Night Friday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 24 mph.
Sunny on Saturday Saturday... Sunny, with a high near 93. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 76. South wind around 14 mph, with gusts as high as 24 mph.
Sunny on Sunday Sunday... Sunny, with a high near 93. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 75. South wind 13 to 15 mph, with gusts as high as 24 mph.
30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Current Radar Image


Sun Almanac for Potosi, Wisconsin
Sunrise: 05:24 AM
Sunset: 8:43 PM
Civil Sunrise:04:49 AM
Civil Sunset: 9:18 PM
Nautical Sunrise: 04:04 AM
Nautical Sunset: 10:04 PM
Astro Sunrise: 03:08 AM
Astro Sunset: 11:00 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.