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Johnstown, Wisconsin Weather Forecast
Johnstown, Wisconsin Weather
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Weather Forecast for Johnstown, Wisconsin : Crawford County
Issued: 3:16 am CST Dec 21, 2025 Latitude: 43.36768 Longitude: -90.85694 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday
Sunny on Today 20% chance of snow on Tonight Mostly Cloudy on Monday Mostly Sunny on Tuesday Cloudy on Wednesday 20% chance of rain on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
High: 29°F Low: 20 °F High: 39°F High: 40°F High: 41°F High: 44°F High: 38°F High: 39°F
Low: 29°F Low: 23°F Low: 32°F Low: 28°F Low: 25°F  
Sunny Snow Mostly Cloudy Mostly Sunny Cloudy Rain Mostly Cloudy Mostly Cloudy
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Current Conditions at
BOSCOBEL - (KOVS)
Clear
as of 3:53 AM CST
Rel. Humidity: 71%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PRAIRIE DU CHIEN - (KPDC)
12°
Clear
as of 4:35 AM CST
Rel. Humidity: 66%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
5 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
LONE ROCK - (KLNR)
10°
Clear
as of 3:56 AM CST
Rel. Humidity: 60%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
LA CROSSE - (KLSE)
Clear
as of 3:53 AM CST
Rel. Humidity: 71%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 29. Calm wind becoming south around 6 mph in the afternoon.

20% chance of snow Tonight Tonight... A slight chance of snow between midnight and 4am. Increasing clouds, with a temperature falling to near 20 by 9pm, then rising to around 29 during the remainder of the night. South wind around 6 mph. Chance of precipitation is 20%.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 39. South wind 6 to 9 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 29. South wind around 5 mph becoming calm.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 40. Northwest wind 3 to 6 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 23. Light and variable wind.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 41. Southeast wind around 5 mph becoming calm in the afternoon.

Cloudy on Wednesday Night Wednesday Night... Cloudy, with a low around 32. Calm wind.

20% chance of rain Christmas Day Christmas Day... A 20 percent chance of rain after noon. Cloudy, with a high near 44. Calm wind becoming southeast 5 to 7 mph in the morning.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 28. West wind around 6 mph becoming north after midnight.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 38. North wind around 6 mph becoming east in the afternoon.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 25. Light southeast wind.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 39. Light and variable wind becoming southwest 5 to 8 mph in the morning.

Current Radar Image


Sun Almanac for Johnstown, Wisconsin
Sunrise: 07:33 AM
Sunset: 4:31 PM
Civil Sunrise:07:00 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:14 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.