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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.39 in
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 2 Aug 12:30 am CDT
Extended Forecast for

3 Miles N Avalon WI

  • Overnight

    Overnight: Areas of smoke after 3am. Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Areas Smoke

  • Saturday

    Saturday: Areas of smoke between 9am and 11am. Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.

    High: 76 °F

    Areas Smoke
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Areas of smoke before 2am, then areas of smoke after 3am. Partly cloudy, with a low around 54. East wind around 5 mph becoming calm.

    Low: 54 °F

    Areas Smoke

  • Sunday

    Sunday: Areas of smoke before 7am. Sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.

    High: 79 °F

    Areas Smoke
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of smoke after 3am. Partly cloudy, with a low around 49. Calm wind.
Saturday
Areas of smoke between 9am and 11am. Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Areas of smoke before 2am, then areas of smoke after 3am. Partly cloudy, with a low around 54. East wind around 5 mph becoming calm.
Sunday
Areas of smoke before 7am. Sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Avalon WI
 42.71°N 88.83°W (Elev. 984 ft)
Last Update:
12:54 am CDT Aug 2, 2025
Forecast Valid:
12am CDT Aug 2, 2025-6pm CDT Aug 8, 2025
 
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