Heavy Rain and Storms in the East; Fire Weather Threats in the West

A slow moving frontal system will bring strong to severe storms and locally heavy rain from the Northeast to the southern Plains. Meanwhile, Fire Weather threats remain elevated over the northern Inter-Mountain West, as Red Flag Warnings and Fire weather watches are in effect. Also, the potential for isolated dry thunderstorms remains possible across this portion of the West. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 1:45 pm CDT
Extended Forecast for

Janesville WI

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 78. Northeast wind around 5 mph.  Chance of precipitation is 40%.

    Scattered
    Showers

    High: 78 °F

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Patchy Fog

    Low: 62 °F

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 83. North wind around 5 mph.

    Patchy Fog
    then Mostly
    Sunny

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 61. North wind around 5 mph becoming calm.

    Mostly Clear

    Low: 61 °F

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming southeast around 5 mph.

    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 65. Calm wind becoming east around 5 mph.

    Partly Cloudy

    Low: 65 °F

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 77. Calm wind becoming southeast around 5 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Chance
    T-storms then
    Showers
    Likely

    High: 77 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 62. East wind around 10 mph becoming north after midnight.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 62 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 1pm.  Partly sunny, with a high near 76.

    Chance
    Showers

    High: 76 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 78. Northeast wind around 5 mph. Chance of precipitation is 40%.
Tonight
Isolated showers and thunderstorms before 8pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 61. North wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 83. Calm wind becoming southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 65. Calm wind becoming east around 5 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A chance of showers and thunderstorms. Cloudy, with a low around 62. East wind around 10 mph becoming north after midnight. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Janesville WI
 42.69°N 89.01°W (Elev. 863 ft)
1:38 pm CDT Aug 17, 2018
2pm CDT Aug 17, 2018-6pm CDT Aug 23, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database