National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Colin Pulls Away from the Coast; Severe Weather for Portions of Montana and Plains on Sunday

Tropical Storm Colin will continue to track away from the U.S. East Coast through Sunday. Meanwhile, severe weather potential for portions of Montana and the Plains are forecast through Sunday. Critical fire weather conditions to persist across the Great Basin and interior Alaska the remainder of the weekend. Heat will build for the Plains, Ohio and Tennessee Valleys and Great Lakes into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

81°F

27°C

Humidity 32%
Wind Speed N 14 mph
Barometer 30.05 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 2 Jul 6:45 pm CDT
Extended Forecast for

Janesville WI

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Partly Cloudy

    Low: 62 °F

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    Sunny

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 67. South wind around 5 mph.

    Mostly Clear

    Low: 67 °F

  • Independence
    Day

    Independence Day: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 87 °F

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms
    Likely

    Low: 72 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph.

    Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 5 mph.

    Chance
    T-storms

    Low: 67 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind 5 to 10 mph.

    Chance
    Showers

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 67.

    Chance
    Showers

    Low: 67 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67. South wind around 5 mph.
Independence Day
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 84.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Janesville WI
 42.67°N 89.04°W (Elev. 774 ft)
Last Update:
5:38 pm CDT Jul 2, 2022
Forecast Valid:
7pm CDT Jul 2, 2022-6pm CDT Jul 9, 2022
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation