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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Drizzle Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed NE 8 mph
Barometer 29.62 in
Dewpoint 41°F (5°C)
Visibility 2.00 mi
Wind Chill38°F (3°C)
Last update 30 Mar 9:45 am CDT
Extended Forecast for

Janesville WI

  • Today

    Today: Rain and thunderstorms likely before 4pm, then a chance of rain between 4pm and 5pm. Cloudy, with a high near 63. East wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Rain Likely

  • Tonight

    Tonight: A chance of rain before midnight, then a chance of rain, snow, and sleet between midnight and 1am, then a chance of snow after 1am. Some thunder is also possible. Cloudy, with a low around 30. West wind around 15 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 30 °F

    Chance Rain
    then Chance
    Wintry Mix

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 44. North wind around 10 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. North wind around 5 mph becoming east after midnight.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. East wind 5 to 15 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 10pm, then rain. Steady temperature around 39. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance
    Rain/Snow
    then Rain and
    Breezy

  • Wednesday

    Wednesday: Rain, mainly before 1pm. High near 70. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 1am. Partly cloudy, with a low around 38. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and thunderstorms likely before 4pm, then a chance of rain between 4pm and 5pm. Cloudy, with a high near 63. East wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain before midnight, then a chance of rain, snow, and sleet between midnight and 1am, then a chance of snow after 1am. Some thunder is also possible. Cloudy, with a low around 30. West wind around 15 mph becoming north after midnight. Chance of precipitation is 50%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 44. North wind around 10 mph.
Monday Night
Mostly clear, with a low around 25. North wind around 5 mph becoming east after midnight.
Tuesday
Partly sunny, with a high near 43. East wind 5 to 15 mph.
Tuesday Night
A chance of rain and snow before 10pm, then rain. Steady temperature around 39. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain, mainly before 1pm. High near 70. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of rain before 1am. Partly cloudy, with a low around 38. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 57.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 56.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Janesville WI
 42.69°N 89.01°W (Elev. 863 ft)
Last Update:
9:39 am CDT Mar 30, 2025
Forecast Valid:
10am CDT Mar 30, 2025-6pm CDT Apr 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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