Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

55°F

13°C

Humidity 44%
Wind Speed S 15 mph
Barometer 29.97 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 12 May 10:45 am CDT
Extended Forecast for

2 Miles SW Harvard IL

  • Today

    Today: Scattered showers and thunderstorms, mainly between noon and 4pm.  Mostly cloudy, with a high near 76. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 40%.

    High: 76 °F

    Scattered
    T-storms and
    Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 47. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    Low: 47 °F

    Scattered
    T-storms and
    Breezy then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. North wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm.  Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between noon and 4pm. Mostly cloudy, with a high near 76. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 47. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 61. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 39. North wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 67. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 47.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Monday
A chance of showers. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Harvard IL
 42.39°N 88.64°W
9:36 am CDT May 12, 2026
11am CDT May 12, 2026-6pm CDT May 18, 2026
 
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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