Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

-17°F

-27°C

Humidity 51%
Wind Speed NW 14 G 21 mph
Barometer 30.64 in
Dewpoint -29°F (-34°C)
Visibility 10.00 mi
Wind Chill-40°F (-40°C)
Last update 23 Jan 7:45 am CST
Extended Forecast for

Rockton IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 08:15am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 08:15am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Today

    High: -4 °F

    Scattered
    Flurries

  • Tonight

    Tonight: 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. Wind chill values as low as -10. 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. North wind 5 to 10 mph, with gusts as high as 15 mph.

    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

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Today
Scattered flurries before noon. Sunny and cold, with a high near -4. Wind chill values as low as -35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
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. Wind chill values as low as -10. 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. North wind 5 to 10 mph, with gusts as high as 15 mph.
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
6:41 am CST Jan 23, 2026
8am 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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