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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Rain and Breezy

79°F

26°C

Humidity 61%
Wind Speed W 21 G 30 mph
Barometer 29.68 in
Dewpoint 64°F (18°C)
Visibility 5.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 3:45 pm CDT
Extended Forecast for

Janesville WI

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers.  Mostly cloudy, with a high near 76. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.

    Chance
    Showers and
    Breezy

    High: 76 °F

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm.  Mostly cloudy, with a low around 63. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 63 °F

  • Friday

    Friday: Mostly sunny, with a high near 78. West wind 10 to 15 mph.

    Mostly Sunny

    High: 78 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers.  Mostly cloudy, with a low around 59. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 59 °F

  • Saturday

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

    Mostly Sunny

    High: 80 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm.

    Mostly Clear

    Low: 60 °F

  • Sunday

    Sunday: Sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning.

    Sunny

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 65. South wind around 5 mph.

    Mostly Clear

    Low: 65 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a high near 76. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 63. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 78. West wind 10 to 15 mph.
Friday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 59. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 65. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 75.
Click Map For Forecast
Point Forecast:
Janesville WI
 42.69°N 89.01°W (Elev. 863 ft)
2:09 pm CDT Aug 17, 2017
4pm CDT Aug 17, 2017-6pm CDT Aug 24, 2017
 
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