Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy and Breezy

10°F

-12°C

Humidity 56%
Wind Speed W 22 G 32 mph
Barometer 30.21 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 22 Jan 6:45 pm CST
Extended Forecast for

Rockton IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  • Tonight

    Tonight: Intermittent flurries.  Partly cloudy, with a low around -14. Wind chill values as low as -36. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -14 °F

    Intermittent
    Flurries and
    Blustery

  • Friday

    Friday: Sunny and cold, with a high near -3. Wind chill values as low as -36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -3 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -9. Wind chill values as low as -19. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon.  Mostly cloudy and cold, with a high near 4. Wind chill values as low as -16. North northeast wind around 5 mph.

    High: 4 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow.  Cloudy, with a low around -1. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: -1 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow.  Mostly cloudy, with a high near 11.

    High: 11 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around -6.

    Low: -6 °F

    Slight Chance
    Snow

  • Monday

    Monday: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Intermittent flurries. Partly cloudy, with a low around -14. Wind chill values as low as -36. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -3. Wind chill values as low as -36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -9. Wind chill values as low as -19. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 4. Wind chill values as low as -16. North northeast wind around 5 mph.
Saturday Night
A 40 percent chance of snow. Cloudy, with a low around -1. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 11.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -6.
Monday
Sunny and cold, with a high near 10.
Monday Night
Mostly cloudy, with a low around 0.
Tuesday
Partly sunny, with a high near 16.
Tuesday Night
Mostly cloudy, with a low around 1.
Wednesday
Partly sunny, with a high near 12.
Wednesday Night
Partly cloudy, with a low around -4.
Thursday
Mostly sunny and cold, with a high near 8.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.05°W
3:11 pm CST Jan 22, 2026
7pm CST Jan 22, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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