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.

Rain

39°F

4°C

Humidity 93%
Wind Speed NE 12 G 18 mph
Barometer 29.91 in
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 4 Apr 3:10 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 38. East wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 52. Breezy, with a southeast wind 10 to 20 mph becoming west in the morning. Winds could gust as high as 30 mph.

    High: 52 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 35. West wind around 10 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 46. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 46 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. North wind 5 to 15 mph.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 38. East wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 52. Breezy, with a southeast wind 10 to 20 mph becoming west in the morning. Winds could gust as high as 30 mph.
Saturday Night
A slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 35. West wind around 10 mph.
Monday
Mostly sunny, with a high near 46. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 21. North wind 5 to 15 mph.
Tuesday
Sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
A chance of snow showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Wednesday
A chance of showers before 7am, then a slight chance of showers after 1pm. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
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:
3:33 am CDT Apr 4, 2026
Forecast Valid:
3am CDT Apr 4, 2026-6pm CDT Apr 10, 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