Flooding Lingers Across the Northeast; Fire Weather Concerns Continue Out West

Although the heaviest rainfall has ended, significant flooding continues across parts of New York and Pennsylvania. Heavy rainfall may also lead to localized flash flooding across Central parts of the country. Across the west, dry thunderstorms with locally strong winds could lead to dust storms or new fire starts this week. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 15 Aug 5:45 am CDT
Extended Forecast for

Janesville WI

  • Today

    Today: A chance of showers, with thunderstorms also possible after noon.  Cloudy, with a high near 81. Light south wind becoming southeast 5 to 10 mph in the afternoon.  Chance of precipitation is 50%.

    Chance
    Showers

    High: 81 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 3am.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 66. East wind around 5 mph becoming north after midnight.  Chance of precipitation is 30%.

    Chance
    Showers and
    Patchy Fog

    Low: 66 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 7am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 82. North wind around 5 mph.

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

    High: 82 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 64. North wind around 5 mph becoming calm  in the evening.

    Slight Chance
    T-storms

    Low: 64 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the morning.

    Chance
    T-storms

    High: 84 °F

  • Friday
    Night

    Friday Night: A chance of thunderstorms before 7pm.  Mostly clear, with a low around 62. Northeast wind around 5 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Mostly Clear

    Low: 62 °F

  • Saturday

    Saturday: Sunny, with a high near 83. Northeast wind around 5 mph.

    Sunny

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 62. East wind around 5 mph.

    Mostly Clear

    Low: 62 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 81. Light south wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. East wind around 5 mph becoming north after midnight. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 7am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. North wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. North wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the morning.
Friday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 62. Northeast wind around 5 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 83. Northeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 62. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Janesville WI
 42.69°N 89.01°W (Elev. 863 ft)
4:23 am CDT Aug 15, 2018
5am CDT Aug 15, 2018-6pm CDT Aug 21, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database