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.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.10 in
Dewpoint 41°F (5°C)
Visibility 3.00 mi
Last update 20 Nov 3:35 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: A slight chance of drizzle before 4am. Patchy fog. Otherwise, cloudy, with a low around 37. Southwest wind around 5 mph becoming calm.

    Low: 37 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of drizzle before 3pm, then a slight chance of drizzle after 5pm. Cloudy, with a high near 49. Southwest wind 5 to 10 mph.

    High: 49 °F

    Cloudy then
    Slight Chance
    Drizzle

  • Thursday Night

    Thursday Night: A slight chance of drizzle before midnight. Mostly cloudy, with a low around 35. Southwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Slight Chance
    Drizzle then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. Light north wind increasing to 5 to 10 mph in the morning.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Southwest wind 5 to 10 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. West wind 5 to 10 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of drizzle before 4am. Patchy fog. Otherwise, cloudy, with a low around 37. Southwest wind around 5 mph becoming calm.
Thursday
A slight chance of drizzle before 3pm, then a slight chance of drizzle after 5pm. Cloudy, with a high near 49. Southwest wind 5 to 10 mph.
Thursday Night
A slight chance of drizzle before midnight. Mostly cloudy, with a low around 35. Southwest wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 49. Light north wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 34. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 55. West wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 31.
Monday
A 20 percent chance of rain after noon. Partly sunny, with a high near 53.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
3:12 am CST Nov 20, 2025
Forecast Valid:
3am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation