Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
68°F
20°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.90 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 1.75 mi |
| Last update | 13 Aug 3:15 am CDT |
Extended Forecast for
Darien WI
Overnight

Low: 65 °F
Patchy Fog
Thursday
High: 78 °F
Chance
Showers and
Patchy Fog
then Showers
LikelyThursday Night

Low: 63 °F
Chance
ShowersFriday

High: 78 °F
Chance
ShowersFriday Night
Low: 65 °F
Chance
T-storms then
Showers
LikelySaturday

High: 82 °F
Showers
LikelySaturday Night
Low: 69 °F
Chance
T-storms then
Showers
LikelySunday

High: 81 °F
Chance
T-stormsSunday Night

Low: 62 °F
Mostly Cloudy
Detailed Forecast
Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 65. Calm wind.
Thursday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers before midnight, then a chance of showers after 1am. Mostly cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 40%.
Friday
A chance of showers before 1pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 78. East wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Southeast wind around 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Northwest wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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)
2:47 am CDT Aug 13, 2026
3am CDT Aug 13, 2026-6pm CDT Aug 19, 2026



