National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

37°F

3°C

Humidity 65%
Wind Speed SE 13 mph
Barometer 29.84 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Mar 9:15 pm CDT
Extended Forecast for

5 Miles SSW Janesville WI

Winter Storm Watch March 14, 07:00pm until March 16, 04:00pm
High Wind Warning March 12, 10:00pm until March 13, 04:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 33. Windy, with a south wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain and
    Windy

  • Friday

    Friday: A chance of rain and snow, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 41. Windy, with a west wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 30%.

    High: 41 °F

    Windy. Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 28. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow. Cloudy, with a high near 39. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 39 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Snow before 4am, then rain and snow. Low around 32. East wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 32 °F

    Snow Likely
    then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow before 1pm, then rain, possibly mixed with sleet. High near 43. Windy, with an east wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    High: 43 °F

    Wintry Mix
    and Windy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 1am. The snow could be heavy at times. Widespread blowing snow after 8pm. Low around 14. Windy, with a north wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 14 °F

    Rain/Snow and
    Blowing Snow

  • Monday

    Monday: A 50 percent chance of snow, mainly before 1pm. Widespread blowing snow before 1pm. Cloudy, with a high near 20. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 20 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Blustery.

    Low: 1 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
Rain, mainly before 4am. Low around 33. Windy, with a south wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain and snow, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 41. Windy, with a west wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 30%.
Friday Night
Increasing clouds, with a low around 28. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
A 20 percent chance of snow. Cloudy, with a high near 39. Light east wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
Snow before 4am, then rain and snow. Low around 32. East wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
Rain and snow before 1pm, then rain, possibly mixed with sleet. High near 43. Windy, with an east wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 1am. The snow could be heavy at times. Widespread blowing snow after 8pm. Low around 14. Windy, with a north wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A 50 percent chance of snow, mainly before 1pm. Widespread blowing snow before 1pm. Cloudy, with a high near 20. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Blustery.
Tuesday
Sunny, with a high near 22.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Mostly cloudy, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
9:02 pm CDT Mar 12, 2026
Forecast Valid:
9pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation