Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

72°F

22°C

Humidity 53%
Wind Speed NW 7 mph
Barometer 29.84 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Apr 4:45 pm CDT
Extended Forecast for

7 Miles WSW Fort Atkinson WI

Flood Watch until further notice
Flood Watch April 17, 01:00pm until April 18, 07:00am
Click here for hazard details and duration
Flood Watch until further notice
Flood Watch
  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 52. Calm wind becoming southeast around 5 mph after midnight.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 78. South wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Patchy Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe.  Low around 39. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 5 to 15 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 5 to 15 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 52. Calm wind becoming southeast around 5 mph after midnight.
Friday
A chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 78. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 39. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 5 to 15 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 58. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Fort Atkinson WI
 42.88°N 88.96°W (Elev. 774 ft)
4:33 pm CDT Apr 16, 2026
4pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
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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