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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

0°F

-18°C

Humidity 78%
Wind Speed Calm
Barometer 30.36 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 1 Feb 2:10 am CST
Extended Forecast for

5 Miles NNW Shirland IL

  • Overnight

    Overnight: Mostly clear, with a low around 1. Wind chill values between -5 and zero. Calm wind becoming south around 5 mph.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of flurries between noon and 2pm, then a slight chance of snow after 2pm. Partly sunny, with a high near 25. Wind chill values between -5 and 5. South wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 25 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely before 3am, then a chance of flurries between 3am and 4am. Mostly cloudy, with a low around 15. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Snow Likely
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 25. Northwest wind 5 to 10 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Northwest wind around 5 mph.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. North wind around 5 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 4. North wind around 5 mph.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 24. West wind around 5 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10.

    Low: 10 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Mostly clear, with a low around 1. Wind chill values between -5 and zero. Calm wind becoming south around 5 mph.
Sunday
A chance of flurries between noon and 2pm, then a slight chance of snow after 2pm. Partly sunny, with a high near 25. Wind chill values between -5 and 5. South wind 5 to 15 mph. Chance of precipitation is 20%.
Sunday Night
Snow likely before 3am, then a chance of flurries between 3am and 4am. Mostly cloudy, with a low around 15. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 25. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 10. Northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 22. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 4. North wind around 5 mph.
Wednesday
Sunny, with a high near 24. West wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 10.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 34.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 33.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Mostly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Shirland IL
 42.54°N 89.22°W (Elev. 850 ft)
Last Update:
2:07 am CST Feb 1, 2026
Forecast Valid:
2am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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