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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

59°F

15°C

Humidity 88%
Wind Speed S 6 mph
Barometer 29.69 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 2:35 am CDT
Extended Forecast for

7 Miles WSW Fort Atkinson WI

Flood Watch April 16, 02:59am until April 16, 01:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 16, 02:59am until April 16, 01:00pm

    NOW until 1:00pm Thu

    Flood Watch

  • Overnight

    Low: 55 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before noon. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. North wind 5 to 10 mph.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 51. Southeast wind around 5 mph.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Low around 39. South wind around 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 48. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    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: Sunny, with a high near 48. Northwest wind 10 to 15 mph.

    High: 48 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then showers likely. Patchy fog after 3am. Low around 55. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers, mainly before noon. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. North wind 5 to 10 mph.
Thursday Night
Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 51. Southeast wind around 5 mph.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Low around 39. South wind around 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly 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
Sunny, with a high near 48. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Fort Atkinson WI
 42.88°N 88.96°W (Elev. 774 ft)
Last Update:
2:37 am CDT Apr 16, 2026
Forecast Valid:
2am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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