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

36°F

2°C

Humidity 93%
Wind Speed E 3 mph
Barometer 29.95 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 27 Dec 12:10 am CST
Extended Forecast for

2 Miles N Janesville WI

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Saturday

    Saturday: Widespread fog, mainly before 9am. Otherwise, cloudy, with a high near 43. Southeast wind 5 to 10 mph.

    High: 43 °F

    Fog then
    Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 8pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 40. Southeast wind 5 to 10 mph.

    Low: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly after noon. High near 48. Southeast wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain before midnight, then a chance of snow. Cloudy, with a low around 15. Windy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 15 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow
    and Windy

  • Monday

    Monday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 20. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 20 °F

    Windy. Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 26. West wind around 10 mph.

    High: 26 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, cloudy, with a low around 34. Calm wind.
Saturday
Widespread fog, mainly before 9am. Otherwise, cloudy, with a high near 43. Southeast wind 5 to 10 mph.
Saturday Night
A 50 percent chance of rain after 8pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 40. Southeast wind 5 to 10 mph.
Sunday
Rain, mainly after noon. High near 48. Southeast wind 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Snow likely, possibly mixed with rain before midnight, then a chance of snow. Cloudy, with a low around 15. Windy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 20. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 9. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 26. West wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 2.
New Year's Day
Sunny, with a high near 12.
Thursday Night
Mostly clear, with a low around -1.
Friday
Mostly sunny, with a high near 17.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Janesville WI
 42.71°N 89°W (Elev. 892 ft)
Last Update:
12:09 am CST Dec 27, 2025
Forecast Valid:
12am CST Dec 27, 2025-6pm CST Jan 2, 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