Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

39°F

4°C

Humidity 61%
Wind Speed S 6 mph
Barometer 30.27 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 29 Mar 12:10 am CDT
Extended Forecast for

5 Miles NNW Shirland IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. South wind 5 to 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. South wind 5 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78. South wind 5 to 15 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 1am, then rain likely and possibly a thunderstorm between 1am and 4am, then rain likely after 4am.  Mostly cloudy, with a low around 59. South wind around 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Rain Likely

  • Tuesday

    Tuesday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 72. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Breezy.
    Chance
    T-storms then
    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before 4am, then a slight chance of snow.  Mostly cloudy, with a low around 33. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain
    and Breezy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 10 percent chance of snow before 7am.  Partly sunny, with a high near 46. Northeast wind around 15 mph.

    High: 46 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. South wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 47. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 78. South wind 5 to 15 mph.
Monday Night
A chance of rain and thunderstorms before 1am, then rain likely and possibly a thunderstorm between 1am and 4am, then rain likely after 4am. Mostly cloudy, with a low around 59. South wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain before 4am, then a slight chance of snow. Mostly cloudy, with a low around 33. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A 10 percent chance of snow before 7am. Partly sunny, with a high near 46. Northeast wind around 15 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Partly sunny, with a high near 42. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 56. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Shirland IL
 42.54°N 89.22°W (Elev. 850 ft)
12:12 am CDT Mar 29, 2026
12am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
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Additional Resources

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