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 87%
Wind Speed E 7 mph
Barometer 30.16 in
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Wind Chill36°F (2°C)
Last update 4 Mar 10:45 am CST
Extended Forecast for

2 Miles N Janesville WI

  • Today

    Today: Mostly cloudy, with a high near 54. Southeast wind around 5 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 3am. Patchy fog after 2am. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph.

    Low: 39 °F

    Cloudy then
    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A 50 percent chance of rain, mainly before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 50. Northeast wind 5 to 10 mph.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 40. Southeast wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 66. 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: 66 °F

    Rain

  • Friday Night

    Friday Night: Rain before 9pm, then rain and possibly a thunderstorm between 9pm and midnight, then rain after midnight. Low around 42. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 51. Northwest wind 10 to 15 mph.

    High: 51 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Southwest wind around 10 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Breezy.

    High: 59 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 54. Southeast wind around 5 mph.
Tonight
A 40 percent chance of rain, mainly after 3am. Patchy fog after 2am. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph.
Thursday
A 50 percent chance of rain, mainly before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 50. Northeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 40. Southeast wind around 5 mph.
Friday
Rain and possibly a thunderstorm. High near 66. 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 before 9pm, then rain and possibly a thunderstorm between 9pm and midnight, then rain after midnight. Low around 42. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 51. Northwest wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 33. Southwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 59. Breezy.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 68.
Monday Night
A 20 percent chance of rain and thunderstorms. Mostly clear, with a low around 49.
Tuesday
Rain likely. Partly sunny, with a high near 65. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Janesville WI
 42.71°N 89°W (Elev. 892 ft)
Last Update:
11:27 am CST Mar 4, 2026
Forecast Valid:
11am CST Mar 4, 2026-6pm CDT Mar 10, 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