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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

32°F

0°C

Humidity 75%
Wind Speed E 6 mph
Barometer 30.16 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 3 Mar 2:55 am CST
Extended Forecast for

2 Miles W Darien WI

  • Overnight

    Overnight: A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 31. East wind around 5 mph.

    Low: 31 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 8am. Mostly cloudy, with a high near 45. East wind around 5 mph becoming north in the afternoon.

    High: 45 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 11pm and 4am. Otherwise, partly cloudy, with a low around 28. Northeast wind around 5 mph becoming calm.

    Low: 28 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 50. Light east wind increasing to 5 to 10 mph in the morning.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. East wind around 5 mph.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Cloudy, with a high near 51. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 40. East wind around 5 mph becoming calm.

    Low: 40 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain, with thunderstorms also possible after noon. High near 64. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

Detailed Forecast

Overnight
A 20 percent chance of rain after 5am. Mostly cloudy, with a low around 31. East wind around 5 mph.
Tuesday
A 30 percent chance of rain, mainly before 8am. Mostly cloudy, with a high near 45. East wind around 5 mph becoming north in the afternoon.
Tuesday Night
Patchy fog between 11pm and 4am. Otherwise, partly cloudy, with a low around 28. Northeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 50. Light east wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. East wind around 5 mph.
Thursday
Rain likely, mainly before noon. Cloudy, with a high near 51. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40. East wind around 5 mph becoming calm.
Friday
Rain, with thunderstorms also possible after noon. High near 64. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm. Low around 48. Chance of precipitation is 80%.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 61.
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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:
1:31 am CST Mar 3, 2026
Forecast Valid:
3am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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