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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

41°F

5°C

Humidity 93%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 30 Apr 10:55 pm CDT
Extended Forecast for

2 Miles W Darien WI

  • Tonight

    Tonight: Showers likely, mainly before 2am. Mostly cloudy, with a low around 35. Northeast wind around 5 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Friday

    Friday: Isolated showers after 1pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 51. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 51 °F

    Areas Frost
    then Isolated
    Showers

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 54. North wind 5 to 10 mph.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 44. Southwest wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 44 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly before 2am. Mostly cloudy, with a low around 35. Northeast wind around 5 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Isolated showers after 1pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 51. North wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 54. North wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 44. Southwest wind 5 to 10 mph. Chance of precipitation is 10%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 62.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 56.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
Last Update:
10:51 pm CDT Apr 30, 2026
Forecast Valid:
11pm CDT Apr 30, 2026-6pm CDT May 7, 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