Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast and Breezy
30°F
-1°C
| Humidity | 93% |
| Wind Speed | N 23 G 35 mph |
| Barometer | 29.43 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 15 Mar 6:45 pm CDT |
Extended Forecast for
Darien WI
Blizzard Warning until March 16, 04:00pm
NOW until 4:00pm Mon
Blizzard Warning
Tonight
Low: 18 °F
Wintry Mix
and Patchy
Blowing SnowMonday

High: 21 °F
Snow and
Blowing SnowMonday Night
Low: 4 °F
Patchy
Blowing Snow
and Blustery
then Partly
CloudyTuesday

High: 21 °F
Mostly Sunny
Tuesday Night

Low: 14 °F
Snow Likely
Wednesday

High: 39 °F
Mostly Cloudy
Wednesday Night
Low: 30 °F
Mostly Cloudy
then Slight
Chance RainThursday

High: 47 °F
Mostly Sunny
Detailed Forecast
Tonight
Snow, freezing rain, and sleet, becoming all snow after 9pm. The snow could be heavy at times. Patchy blowing snow after 9pm. Low around 18. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Total nighttime snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly before 2pm. High near 21. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Patchy blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 4. Wind chill values between -5 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 21. Wind chill values between -10 and zero. Northwest wind around 10 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 14. South wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Mostly cloudy, with a high near 39. Southwest wind around 10 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 47. North wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 55.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 49.
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)
6:22 pm CDT Mar 15, 2026
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026



