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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 4.00 mi
Last update 21 Aug 5:10 am CDT
Extended Forecast for

Zenda WI

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 2pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning.

    Chance
    T-storms and
    Patchy Fog

    High: 82 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after midnight.  Cloudy, with a low around 67. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms
    Likely

    Low: 67 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers before 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 76. Northwest wind 10 to 15 mph.

    Chance
    Showers

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 54. West wind 5 to 10 mph.

    Mostly Clear

    Low: 54 °F

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind 5 to 10 mph.

    Sunny

    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 53. North wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 53 °F

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm.  Mostly sunny, with a high near 70. Northeast wind 5 to 10 mph.

    Chance
    Showers

    High: 70 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 51. Northeast wind around 5 mph.

    Mostly Clear

    Low: 51 °F

  • Friday

    Friday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning.
Tonight
Showers and thunderstorms likely, mainly after midnight. Cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 40 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 76. Northwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 54. West wind 5 to 10 mph.
Wednesday
Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 53. North wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 70. Northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 51. Northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
Zenda WI
 42.54°N 88.48°W (Elev. 1020 ft)
3:08 am CDT Aug 21, 2017
5am CDT Aug 21, 2017-6pm CDT Aug 27, 2017
 
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