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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

43°F

6°C

Humidity 57%
Wind Speed W 14 mph
Barometer 30.09 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Apr 8:45 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Today

    High: 48 °F

    Scattered
    Showers

  • Tonight

    Tonight: Widespread frost after 1am. Otherwise, mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 27 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 54. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 54 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. South wind around 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 71. Southwest wind 10 to 15 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Southeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Today
Scattered showers, mainly before 1pm, then scattered sprinkles after 3pm. Mostly cloudy, with a high near 48. Northwest wind 10 to 15 mph. Chance of precipitation is 50%.
Tonight
Widespread frost after 1am. Otherwise, mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light north in the evening.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 54. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 41. South wind around 10 mph.
Tuesday
Sunny, with a high near 71. Southwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 44. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 73. Northeast wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. Southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 62.
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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:
8:32 am CDT Apr 19, 2026
Forecast Valid:
9am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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