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.

Overcast

66°F

19°C

Humidity 83%
Wind Speed SW 15 mph
Barometer 29.78 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 2:45 pm CDT
Extended Forecast for

5 Miles NNE Milton WI

Flood Watch April 15, 04:00pm until April 16, 07:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before midnight, then a chance of showers and thunderstorms after midnight. Patchy fog after 11pm. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 55 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 68. Northwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. South wind around 5 mph becoming southeast in the evening.

    Low: 50 °F

    Mostly Clear

  • 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 77. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. South wind around 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 51. West wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. West wind 10 to 15 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before midnight, then a chance of showers and thunderstorms after midnight. Patchy fog after 11pm. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 68. Northwest wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 50. South wind around 5 mph becoming southeast in the evening.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. South wind around 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 51. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 31. West wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Milton WI
 42.84°N 88.91°W (Elev. 856 ft)
Last Update:
2:36 pm CDT Apr 15, 2026
Forecast Valid:
3pm CDT Apr 15, 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