Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy with Haze

-9°F

-23°C

Humidity 64%
Wind Speed N 15 mph
Barometer 30.53 in
Dewpoint -18°F (-28°C)
Visibility 2.50 mi
Wind Chill-31°F (-35°C)
Last update 23 Jan 4:35 am CST
Extended Forecast for

Rockton IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 04:48am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 04:48am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Overnight

    Low: -14 °F

    Scattered
    Flurries

  • Friday

    Friday: Scattered flurries before noon.  Sunny and cold, with a high near -4. Wind chill values as low as -37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -4 °F

    Scattered
    Flurries

  • Friday Night

    Friday Night: Increasing clouds, with a low around -14. Wind chill values as low as -27. Northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: -14 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow after noon.  Mostly cloudy and cold, with a high near 3. Wind chill values as low as -13. Calm wind becoming north northeast around 5 mph.

    High: 3 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after midnight.  Cloudy, with a low around -2. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: -2 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon.  Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Monday

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

    High: 10 °F

    Cold

Detailed Forecast

Overnight
Scattered flurries. Partly cloudy, with a low around -14. Wind chill values as low as -35. Northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Scattered flurries before noon. Sunny and cold, with a high near -4. Wind chill values as low as -37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Increasing clouds, with a low around -14. Wind chill values as low as -27. Northwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 3. Wind chill values as low as -13. Calm wind becoming north northeast around 5 mph.
Saturday Night
A 30 percent chance of snow, mainly after midnight. Cloudy, with a low around -2. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph.
Sunday
A 30 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 10.
Sunday Night
Mostly cloudy, with a low around -6.
Monday
Sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 16.
Tuesday Night
Partly cloudy, with a low around -2.
Wednesday
Mostly sunny, with a high near 11.
Wednesday Night
Mostly cloudy, with a low around -4.
Thursday
Mostly sunny and cold, with a high near 10.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockton IL
 42.45°N 89.05°W
3:06 am CST Jan 23, 2026
4am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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