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Castle Rock, Wisconsin Weather Forecast
Castle Rock, Wisconsin Weather
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Weather Forecast for Castle Rock, Wisconsin : Grant County
Issued: 2:51 am CST Dec 7, 2025 Latitude: 43.047489 Longitude: -90.5315145 View on Google Maps

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Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
60% chance of snow on Overnight Partly Sunny on Sunday Mostly Cloudy on Monday 30% chance of rain & snow on Tuesday 20% chance of snow on Wednesday 30% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 9 °F High: 19°F High: 23°F High: 38°F High: 33°F High: 23°F High: 12°F High: 9 °F
Low: -1°F Low: 14°F Low: 25°F Low: 10°F Low: 1 °F Low: -6°F  
Snow Partly Sunny Mostly Cloudy Rain & Snow Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
BOSCOBEL - (KOVS)
25°
Cloudy
Light Snow Mist
as of 2:06 AM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 3 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 4300ft, Solid Overcast at 7000ft
Current Conditions at
LONE ROCK - (KLNR)
23°
Cloudy
Light Snow Mist
as of 2:40 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 2 Miles
Pressure: 30.06 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 4500ft
Current Conditions at
PRAIRIE DU CHIEN - (KPDC)
25°
Cloudy
Light Snow
as of 2:35 AM CST
Rel. Humidity: 92%
Dew Point: 23°F
Visibility: 5 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 2800ft, Broken at 4000ft, Solid Overcast at 12000ft
60% chance of snow Overnight Overnight... Snow likely, mainly before 4am. Mostly cloudy, with a low around 9. North wind 5 to 8 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 2 to 4 inches possible.
Partly Sunny on Sunday Sunday... Partly sunny, then gradually becoming sunny, with a high near 19. Wind chill values as low as -2. North wind 6 to 10 mph.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around -1. Light and variable wind.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 23. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
20% chance of snow Monday Night Monday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. South wind 10 to 14 mph, with gusts as high as 24 mph.
30% chance of rain & snow Tuesday Tuesday... A chance of rain after noon, mixing with snow after 3pm. Mostly cloudy, with a high near 38. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
80% chance of rain & snow Tuesday Night Tuesday Night... Rain and snow before 9pm, then rain between 9pm and 3am, then a chance of snow after 3am. Low around 25. Breezy, with a south wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
20% chance of snow Wednesday Wednesday... A 20 percent chance of snow before noon. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 10. Northwest wind 5 to 9 mph.
30% chance of snow Thursday Thursday... A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 23. North wind 6 to 9 mph.
30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 1. Northwest wind 7 to 10 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 12. Northwest wind 10 to 15 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -6. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 9. Northwest wind 8 to 10 mph.
Current Radar Image


Sun Almanac for Castle Rock, Wisconsin
Sunrise: 07:20 AM
Sunset: 4:27 PM
Civil Sunrise:06:48 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:09 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.