Mount Vernon, Wisconsin Weather
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Weather Forecast for Mount Vernon, Wisconsin : Dane County
Issued: 1:24 am CDT Aug 26, 2025 Latitude: 42.9469432 Longitude: -89.6559556 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Labor Day
Mostly Clear on Overnight Mostly Sunny on Tuesday Mostly Sunny on Wednesday 30% chance of thunderstorms on Thursday Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Labor Day
Low: 46°F High: 70°F High: 73°F High: 70°F High: 69°F High: 71°F High: 74°F High: 75°F
Low: 50°F Low: 57°F Low: 47°F Low: 48°F Low: 52°F Low: 54°F  
Mostly Clear Mostly Sunny Mostly Sunny Thunderstorms Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MADISON - (KMSN)
54°
Mostly Cloudy
as of 12:53 AM CDST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
6 MPH
300° Northwest
Cloud Level(s): Broken at 8000ft
Current Conditions at
MONROE - (KEFT)
55°
Clear
as of 1:15 AM CDST
Rel. Humidity: 66%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
9 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MINERAL POINT - (KMRJ)
50°
Clear
as of 1:15 AM CDST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LONE ROCK - (KLNR)
48°
Clear
as of 12:56 AM CDST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 46. Calm wind.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 70. Northwest wind 5 to 10 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 73. Light west wind becoming southwest 5 to 10 mph in the morning.
50% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
30% chance of thunderstorms Thursday Thursday... A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 70. West wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 47. East wind around 5 mph.
Sunny on Friday Friday... Sunny, with a high near 69. Northeast wind around 5 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 48.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 71.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 52.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 74.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 54.
Mostly Sunny on Labor Day Labor Day... Mostly sunny, with a high near 75.
Current Radar Image


Sun Almanac for Mount Vernon, Wisconsin
Sunrise: 06:17 AM
Sunset: 7:43 PM
Civil Sunrise:05:48 AM
Civil Sunset: 8:13 PM
Nautical Sunrise: 05:12 AM
Nautical Sunset: 8:49 PM
Astro Sunrise: 04:34 AM
Astro Sunset: 9:26 PM
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