Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
48°F
9°C
| Humidity | 54% |
| Wind Speed | Calm |
| Barometer | 29.98 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 30 Mar 12:50 am CDT |
Extended Forecast for
Darien WI
Overnight

Low: 44 °F
Mostly Clear
Monday

High: 75 °F
Sunny
Monday Night

Low: 61 °F
Slight Chance
T-stormsTuesday
High: 71 °F
Breezy.
Slight Chance
T-storms then
RainTuesday Night

Low: 33 °F
Chance Rain
Wednesday
High: 42 °F
Mostly Cloudy
then Chance
Rain/SnowWednesday Night

Low: 32 °F
Rain/Snow and
BreezyThursday

High: 51 °F
Rain
Thursday Night
Low: 32 °F
Chance
Rain/Snow
then Chance
Rain
Detailed Forecast
Overnight
Mostly clear, with a low around 44. South wind 5 to 10 mph.
Monday
Sunny, with a high near 75. Southwest wind 5 to 15 mph.
Monday Night
A slight chance of rain and thunderstorms before 1am, then a slight chance of rain and thunderstorms after 5am. Mostly cloudy, with a low around 61. Southwest wind 5 to 15 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain and thunderstorms before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. High near 71. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 33. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 42. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
Rain, possibly mixed with snow, becoming all rain after 4am. Low around 32. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 51. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
A chance of rain and snow before 10pm, then a chance of rain. Cloudy, with a low around 32. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 50.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Saturday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Saturday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 51. Breezy.
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)
12:32 am CDT Mar 30, 2026
1am CDT Mar 30, 2026-6pm CDT Apr 5, 2026


