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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.83 in
Dewpoint 70°F (21°C)
Visibility 3.00 mi
Last update 12 Aug 5:45 am CDT
Extended Forecast for

4 Miles NNW Milton WI

  • Today

    Today: A slight chance of showers and thunderstorms between noon and 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    High: 83 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 7pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 64. East wind around 5 mph.

    Low: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. East wind around 10 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East wind around 10 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between noon and 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm.
Thursday
A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers before 7pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 64. East wind around 5 mph.
Friday
Mostly sunny, with a high near 79. East wind around 10 mph.
Friday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East wind around 10 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 80.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Milton WI
 42.84°N 88.97°W (Elev. 794 ft)
Last Update:
3:32 am CDT Aug 12, 2026
Forecast Valid:
5am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation