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.

Fair

12°F

-11°C

Humidity 52%
Wind Speed W 18 mph
Barometer 30.16 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 27 Jan 2:45 pm CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values between -5 and -15. West wind 5 to 10 mph.

    Low: -2 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 13. Wind chill values between -10 and -20. West wind 10 to 15 mph.

    High: 13 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -5. Wind chill values between -5 and -10. Northwest wind 5 to 10 mph.

    Low: -5 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and cold, with a high near 10. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph.

    High: 10 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -4. North wind 5 to 10 mph.

    Low: -4 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 11. North wind 10 to 15 mph.

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. Northwest wind around 10 mph.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 18. North wind 5 to 10 mph.

    High: 18 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -2. Wind chill values between -5 and -15. West wind 5 to 10 mph.
Wednesday
Sunny, with a high near 13. Wind chill values between -10 and -20. West wind 10 to 15 mph.
Wednesday Night
Mostly clear, with a low around -5. Wind chill values between -5 and -10. Northwest wind 5 to 10 mph.
Thursday
Sunny and cold, with a high near 10. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around -4. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 11. North wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 2. Northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 18. North wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 23.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Mostly cloudy, with a high near 24.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 25.
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:
3:07 pm CST Jan 27, 2026
Forecast Valid:
3pm CST Jan 27, 2026-6pm CST Feb 3, 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