National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

-9°F

-23°C

Humidity 70%
Wind Speed W 8 mph
Barometer 30.53 in
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Wind Chill-25°F (-32°C)
Last update 21 Jan 3:30 am CST
Extended Forecast for

Roscoe IL

Extreme Cold Warning January 21, 03:48am until January 21, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 21, 03:48am until January 21, 12:00pm

    NOW until 12:00pm Tue

    Extreme Cold Warning

  • Overnight

    Low: -9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and cold, with a high near 0. Wind chill values as low as -34. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 0 °F

    Cold

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 5am. Increasing clouds, with a temperature rising to around 5 by 5am. Wind chill values as low as -18. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: -1 °F⇑

    Partly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Cloudy, with a high near 24. Wind chill values as low as -13. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 24 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before midnight. Cloudy, with a low around 10. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.

    Low: 10 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 2 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around -9. Wind chill values as low as -31. West northwest wind 10 to 15 mph.
Tuesday
Sunny and cold, with a high near 0. Wind chill values as low as -34. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of snow after 5am. Increasing clouds, with a temperature rising to around 5 by 5am. Wind chill values as low as -18. South wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
A 50 percent chance of snow. Cloudy, with a high near 24. Wind chill values as low as -13. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A 50 percent chance of snow, mainly before midnight. Cloudy, with a low around 10. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 29.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.43°N 88.99°W
Last Update:
3:08 am CST Jan 21, 2025
Forecast Valid:
3am CST Jan 21, 2025-6pm CST Jan 27, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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