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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

45°F

7°C

Humidity 57%
Wind Speed SW 8 mph
Barometer 29.95 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 3 May 12:15 am CDT
Extended Forecast for

4 Miles WNW Clinton WI

  • Overnight

    Overnight: A chance of sprinkles after 5am. Mostly cloudy, with a low around 41. Southwest wind 5 to 10 mph.

    Low: 41 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 66 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph becoming light southwest.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 75. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 75 °F

    Sunny then
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 45. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Cloudy, with a high near 53. North wind 5 to 10 mph.

    High: 53 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph.

    Low: 36 °F

    Mostly Cloudy
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, mostly cloudy, with a high near 56. Northwest wind 5 to 10 mph.

    High: 56 °F

    Areas Frost
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A chance of sprinkles after 5am. Mostly cloudy, with a low around 41. Southwest wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph becoming light southwest.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 75. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 45. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers. Cloudy, with a high near 53. North wind 5 to 10 mph.
Tuesday Night
Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph.
Wednesday
Areas of frost before 7am. Otherwise, mostly cloudy, with a high near 56. Northwest wind 5 to 10 mph.
Wednesday Night
A slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 58.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 64.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Clinton WI
 42.58°N 88.95°W (Elev. 817 ft)
Last Update:
12:16 am CDT May 3, 2026
Forecast Valid:
12am CDT May 3, 2026-6pm CDT May 9, 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