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Neptune, Wisconsin Weather Forecast
Neptune, Wisconsin Weather
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Weather Forecast for Neptune, Wisconsin : Richland County
Issued: 3:16 pm CST Dec 16, 2025 Latitude: 43.3730389 Longitude: -90.2673479 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of snow on Tonight Mostly Sunny on Wednesday 70% chance of rain & snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 22°F High: 35°F High: 40°F High: 24°F High: 35°F High: 23°F High: 32°F High: 35°F
Low: 38 °F Low: 6 °F Low: 16°F Low: 9 °F Low: 13°F Low: 24°F  
Snow Mostly Sunny Rain & Snow Partly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
LONE ROCK - (KLNR)
37°
Clear
as of 2:56 PM CST
Rel. Humidity: 64%
Dew Point: 27°F
Visibility: 9 Miles
Pressure: 29.65 in.
Flight Rule: VFR
Wind Data
8 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
BOSCOBEL - (KOVS)
39°
Feels like 32°F
Clear
as of 2:53 PM CST
Rel. Humidity: 64%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.65 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 21 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
BARABOO - (KDLL)
39°
Feels like 33°F
Mostly Cloudy
as of 3:35 PM CST
Rel. Humidity: 64%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
9 MPH
250° West
Cloud Level(s): Broken at 11000ft
20% chance of snow Tonight Tonight... A chance of flurries between 9pm and 11pm. Mostly cloudy, with a low around 22. Southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 35. Light and variable wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

70% chance of rain Wednesday Night Wednesday Night... Rain likely after midnight. Mostly cloudy, with a temperature rising to around 38 by 4am. South wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

70% chance of rain & snow Thursday Thursday... Rain likely before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 40. Breezy, with a south wind 11 to 18 mph becoming west in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 6. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 24. Northwest wind 6 to 8 mph becoming south in the afternoon.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 16. South wind 7 to 9 mph, with gusts as high as 18 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 35. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 9. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 23. Northwest wind 3 to 5 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 13. Light and variable wind.

Partly Sunny on Monday Monday... Partly sunny, with a high near 32. South wind 3 to 7 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 24. South wind around 6 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 35. Southwest wind around 7 mph becoming northwest in the afternoon.

Sun Almanac for Neptune, Wisconsin
Sunrise: 07:28 AM
Sunset: 4:26 PM
Civil Sunrise:06:55 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:44 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.