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Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
34°F
1°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.38 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 5.00 mi |
| Last update | 11 Apr 2:10 am CDT |
Extended Forecast for
Janesville WI
Overnight
Low: 35 °F
Patchy Fog
Saturday
High: 57 °F
Patchy Fog
then Slight
Chance
ShowersSaturday Night
Low: 47 °F
Showers
Likely then
Chance
T-stormsSunday
High: 73 °F
Showers
Likely and
BreezySunday Night
Low: 60 °F
Showers and
BreezyMonday
High: 76 °F
Mostly Cloudy
then Slight
Chance
T-stormsMonday Night
Low: 64 °F
Showers
LikelyTuesday
High: 81 °F
Slight Chance
T-storms then
Showers
LikelyTuesday Night
Low: 61 °F
Showers
Detailed Forecast
Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 35. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 57. Southeast wind 5 to 15 mph.
Saturday Night
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 47. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Southwest wind around 10 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Southwest wind 10 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.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 61. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Janesville WI
42.67°N 89.04°W (Elev. 774 ft)
42.67°N 89.04°W (Elev. 774 ft)
1:21 am CDT Apr 11, 2026
2am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
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