National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

30°F

-1°C

Humidity 64%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 16 Nov 10:35 pm CST
Extended Forecast for

2 Miles WSW Darien WI

  • Tonight

    Tonight: Clear, with a low around 24. Northwest wind around 5 mph becoming calm.

    Low: 24 °F

    Clear

  • Monday

    Monday: A slight chance of rain and snow after 4pm. Increasing clouds, with a high near 46. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    High: 46 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Snow likely before midnight, then rain and snow. Low around 35. Light east wind increasing to 5 to 10 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Snow Likely
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 9am. High near 42. East wind around 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East wind around 5 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46. Calm wind becoming southeast around 5 mph.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after noon. Mostly cloudy, with a high near 51. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 24. Northwest wind around 5 mph becoming calm.
Monday
A slight chance of rain and snow after 4pm. Increasing clouds, with a high near 46. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Monday Night
Snow likely before midnight, then rain and snow. Low around 35. Light east wind increasing to 5 to 10 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Rain and snow, becoming all rain after 9am. High near 42. East wind around 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 34. East wind around 5 mph becoming calm after midnight.
Wednesday
Cloudy, with a high near 46. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 36. Calm wind.
Thursday
Rain likely, mainly after noon. Mostly cloudy, with a high near 51. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 51.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
Last Update:
10:12 pm CST Nov 16, 2025
Forecast Valid:
10pm CST Nov 16, 2025-6pm CST Nov 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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