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

39°F

4°C

Humidity 70%
Wind Speed E 13 mph
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 25 Dec 2:45 pm CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Tonight

    Tonight: Rain with a chance of drizzle before 2am, then rain, mainly after 2am. Patchy fog after 2am. Low around 36. Southeast wind 5 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Drizzle then
    Rain and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of rain, mainly before 7am. Patchy fog before 1pm. Otherwise, cloudy, with a high near 44. Southeast wind 5 to 10 mph becoming northwest in the morning.

    High: 44 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 46. Southeast wind 5 to 10 mph.

    High: 46 °F

    Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after midnight. Cloudy, with a low around 40. Southeast wind 5 to 10 mph.

    Low: 40 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after noon. Cloudy, with a high near 47. South wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 14 °F

    Blustery.
    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: A 20 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 20. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 30 mph.

    High: 20 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain with a chance of drizzle before 2am, then rain, mainly after 2am. Patchy fog after 2am. Low around 36. Southeast wind 5 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly before 7am. Patchy fog before 1pm. Otherwise, cloudy, with a high near 44. Southeast wind 5 to 10 mph becoming northwest in the morning.
Friday Night
Mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Cloudy, with a high near 46. Southeast wind 5 to 10 mph.
Saturday Night
A 30 percent chance of rain after midnight. Cloudy, with a low around 40. Southeast wind 5 to 10 mph.
Sunday
Rain likely, mainly after noon. Cloudy, with a high near 47. South wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday
A 20 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 20. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 9.
New Year's Day
Mostly sunny, with a high near 20.
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:
3:13 pm CST Dec 25, 2025
Forecast Valid:
4pm CST Dec 25, 2025-6pm CST Jan 1, 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