Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

59°F

15°C

Humidity 82%
Wind Speed SW 5 mph
Barometer 29.94 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Jun 10:50 pm CDT
Extended Forecast for

3 Miles S Walworth WI

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Mostly clear, with a low around 55. West southwest wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 76. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 71. Light east wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly clear, with a low around 55. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 76. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Light east wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 55.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Walworth WI
 42.5°N 88.6°W
9:11 pm CDT Jun 19, 2026
11pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
 
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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