National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

55°F

13°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 2:15 am CDT
Extended Forecast for

3 Miles NNE Avalon WI

  • Overnight

    Overnight: Mostly clear, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Northwest wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 81. Southwest wind 10 to 15 mph.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 60.

    Low: 60 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 53. North wind around 5 mph.
Sunday
Sunny, with a high near 75. Northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 81. Southwest wind 10 to 15 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 57.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Avalon WI
 42.7°N 88.8°W (Elev. 971 ft)
Last Update:
1:34 am CDT Aug 23, 2026
Forecast Valid:
2am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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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