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.

Mostly Cloudy

55°F

13°C

Humidity 44%
Wind Speed S 15 mph
Barometer 29.97 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 12 May 10:45 am CDT
Extended Forecast for

3 Miles ESE Avalon WI

  • Today

    Today: Showers likely before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 75. Breezy, with a southwest wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 46. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely after 1am. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Southwest wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Sunny, with a high near 82.

    High: 82 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Today
Showers likely before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 75. Breezy, with a southwest wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 46. Northwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 61. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Showers likely after 1am. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 54. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers after 1pm. Sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 50%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Avalon WI
 42.64°N 88.77°W (Elev. 912 ft)
Last Update:
10:33 am CDT May 12, 2026
Forecast Valid:
11am CDT May 12, 2026-6pm CDT May 18, 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