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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

73°F

23°C

Humidity 69%
Wind Speed NW 10 mph
Barometer 29.85 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 May 10:45 am CDT
Extended Forecast for

2 Miles NW Janesville WI

  • Today

    Today: Sunny, with a high near 85. West wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 58. North wind around 5 mph becoming east after midnight.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 84. East wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 83. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48. Northwest wind 10 to 15 mph.

    Low: 48 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. West wind 5 to 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 58. North wind around 5 mph becoming east after midnight.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 84. East wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday
Showers and possibly a thunderstorm. High near 83. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48. Northwest wind 10 to 15 mph.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Janesville WI
 42.71°N 89.03°W (Elev. 768 ft)
Last Update:
10:34 am CDT May 16, 2026
Forecast Valid:
11am CDT May 16, 2026-6pm CDT May 22, 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