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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Rain

36°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 29.32 in
Dewpoint 36°F (2°C)
Visibility 5.00 mi
Last update 20 Feb 12:35 am CST
Extended Forecast for

2 Miles W Darien WI

Wind Advisory February 20, 06:00am until February 20, 03:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Rain likely, mainly after 3am. Cloudy, with a low around 31. East wind 10 to 15 mph becoming southwest. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain Likely

  • Friday

    Friday: Rain and snow likely before 10am, then a chance of snow between 10am and 1pm. Cloudy, with a high near 36. Windy, with a west wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Windy.
    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 34. Northwest wind 10 to 15 mph.

    High: 34 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Northwest wind 10 to 15 mph.

    Low: 20 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15. North wind around 15 mph.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 28. North wind 5 to 15 mph.

    High: 28 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain likely, mainly after 3am. Cloudy, with a low around 31. East wind 10 to 15 mph becoming southwest. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain and snow likely before 10am, then a chance of snow between 10am and 1pm. Cloudy, with a high near 36. Windy, with a west wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Mostly cloudy, with a low around 23. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Mostly cloudy, with a high near 34. Northwest wind 10 to 15 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Northwest wind 10 to 15 mph.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 15. North wind around 15 mph.
Monday
Partly sunny, with a high near 28. North wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 19.
Thursday
A 20 percent chance of snow. Sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
Last Update:
12:22 am CST Feb 20, 2026
Forecast Valid:
12am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation