Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

30°F

-1°C

Humidity 86%
Wind Speed S 6 mph
Barometer 29.86 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 26 Feb 10:35 pm CST
Extended Forecast for

5 Miles NNW Shirland IL

  • Tonight

    Tonight: Mostly clear, with a low around 24. Southwest wind around 5 mph.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 60 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. West wind 10 to 15 mph becoming north after midnight.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 30. North wind around 10 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. North wind around 10 mph.

    Low: 13 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Northeast wind 5 to 10 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 16. East wind around 5 mph.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 36. East wind 5 to 10 mph becoming southeast in the afternoon.

    High: 36 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Southwest wind around 5 mph.
Friday
Sunny, with a high near 60. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 25. West wind 10 to 15 mph becoming north after midnight.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 30. North wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 30. Northeast wind 5 to 10 mph.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. East wind around 5 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 36. East wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 25.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Shirland IL
 42.54°N 89.22°W (Elev. 850 ft)
10:31 pm CST Feb 26, 2026
10pm CST Feb 26, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database