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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: 1:40 pm CST Dec 10, 2025 Latitude: 43.047489 Longitude: -90.5315145 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
40% chance of snow on This Afternoon 30% chance of snow on Tonight 40% chance of snow on Thursday 20% chance of snow on Friday 30% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
High: 28°F Low: 9 °F High: 23°F High: 24°F High: 6 °F High: 7 °F High: 25°F High: 33°F
Low: 8 °F Low: -2°F Low: -12°F Low: -6°F Low: 11°F  
Snow Snow Snow Snow Snow Sunny Mostly Sunny Partly Sunny
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Current Conditions at
BOSCOBEL - (KOVS)
28°
Cloudy
as of 12:53 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: MVFR
Wind Data
7 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
LONE ROCK - (KLNR)
28°
Feels like 19°F
Cloudy
as of 12:56 PM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
10 MPH
340° North
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
PRAIRIE DU CHIEN - (KPDC)
30°
Feels like 21°F
Cloudy
as of 1:35 PM CST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: MVFR
Wind Data
10 MPH
Gust: 18 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 2100ft
40% chance of snow This Afternoon This Afternoon... A 40 percent chance of snow, mainly after 4pm. Cloudy, with a high near 28. Northwest wind 11 to 14 mph, with gusts as high as 24 mph. Total daytime snow accumulation of less than a half inch possible.
30% chance of snow Tonight Tonight... A chance of snow before 8pm, then a chance of flurries between 8pm and 9pm. Cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
40% chance of snow Thursday Thursday... A 40 percent chance of snow, mainly after 3pm. Mostly cloudy, with a high near 23. Light and variable wind. Little or no snow accumulation expected.
50% chance of snow Thursday Night Thursday Night... A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8. Calm wind. New snow accumulation of less than a half inch possible.
20% chance of snow Friday Friday... A 20 percent chance of snow. Mostly cloudy, with a high near 24. Light north wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -2. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.
30% chance of snow Saturday Saturday... A 30 percent chance of snow. Mostly cloudy, with a high near 6. Northwest wind around 10 mph, with gusts as high as 18 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -12. Northwest wind 6 to 8 mph.
Sunny on Sunday Sunday... Sunny, with a high near 7. Northwest wind around 6 mph becoming southwest in the afternoon.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -6. Light southwest wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 25. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 11. Southwest wind around 6 mph becoming calm in the evening.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 33. Calm wind becoming south 5 to 9 mph in the morning.
Current Radar Image


Sun Almanac for Castle Rock, Wisconsin
Sunrise: 07:23 AM
Sunset: 4:27 PM
Civil Sunrise:06:51 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:10 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.