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.

Partly Cloudy

81°F

27°C

Humidity 58%
Wind Speed NW 12 mph
Barometer 29.90 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Aug 3:45 pm CDT
Extended Forecast for

Sharon WI

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. North wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. North wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming south around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 64. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 78. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 57. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 59. South wind around 5 mph.
Saturday
Partly sunny, with a high near 79. South wind 5 to 10 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 64. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sharon WI
 42.51°N 88.75°W (Elev. 974 ft)
Last Update:
4:06 pm CDT Aug 26, 2026
Forecast Valid:
4pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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