Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy
48°F
9°C
| Humidity | 82% |
| Wind Speed | N 15 mph |
| Barometer | 29.88 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 31 Mar 4:45 pm CDT |
Extended Forecast for
Darien WI
Tonight

Low: 34 °F
Mostly Cloudy
Wednesday
High: 43 °F
Mostly Cloudy
then Isolated
Showers and
BreezyWednesday Night

Low: 36 °F
Showers
Thursday

High: 70 °F
Rain and
BreezyThursday Night

Low: 42 °F
Chance Rain
and BreezyFriday
High: 63 °F
Mostly Sunny
then Slight
Chance
T-stormsFriday Night

Low: 43 °F
Rain
Saturday

High: 57 °F
Chance Rain
and BreezySaturday Night

Low: 30 °F
Slight Chance
Rain and
Breezy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 34. Northeast wind 10 to 15 mph.
Wednesday
Isolated showers after 5pm. Mostly cloudy, with a high near 43. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Wednesday Night
Isolated showers before 7pm, then rain between 7pm and 1am, then rain and possibly a thunderstorm after 1am. Low around 36. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain and possibly a thunderstorm. High near 70. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 42. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 63. West wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night
Rain and possibly a thunderstorm. Low around 43. East wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 57. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Breezy.
Sunday
Partly sunny, with a high near 47. Breezy.
Sunday Night
Mostly clear, with a low around 28.
Monday
Mostly sunny, with a high near 54.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 53.
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)
3:37 pm CDT Mar 31, 2026
5pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026



