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Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy
32°F
0°C
| Humidity | 100% |
| Wind Speed | E 3 mph |
| Barometer | 30.40 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 11 Apr 5:45 am CDT |
Extended Forecast for
Darien WI
Today
High: 55 °F
Patchy Fog
then Slight
Chance
ShowersTonight
Low: 46 °F
Showers
Likely then
Chance
T-stormsSunday

High: 72 °F
Showers
Likely and
BreezySunday Night

Low: 59 °F
Showers and
BreezyMonday
High: 76 °F
Mostly Cloudy
then Slight
Chance
T-stormsMonday Night

Low: 62 °F
Showers
LikelyTuesday
High: 81 °F
Slight Chance
T-storms then
Showers
LikelyTuesday Night

Low: 60 °F
Showers
Wednesday

High: 75 °F
Chance
Showers
Detailed Forecast
Today
A 20 percent chance of showers after 2pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 55. Light southeast wind increasing to 5 to 10 mph in the morning.
Tonight
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 46. 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 72. 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 quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 59. 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. Cloudy, then gradually becoming mostly sunny, with a high near 76. Southwest wind 10 to 15 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South wind 10 to 15 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 around 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 60. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 74.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Darien WI
42.59°N 88.72°W (Elev. 945 ft)
42.59°N 88.72°W (Elev. 945 ft)
4:21 am CDT Apr 11, 2026
5am CDT Apr 11, 2026-6pm CDT Apr 17, 2026



