Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

81°F

27°C

Humidity 84%
Wind Speed W 8 mph
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Aug 12:45 pm CDT
Extended Forecast for

5 Miles NNW Shirland IL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms before 2pm, then isolated rain between 2pm and 3pm.  Partly sunny, with a high near 83. Northwest wind 10 to 15 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 59. North wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 79. Southwest wind 5 to 10 mph.  Chance of precipitation is 50%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 60. West wind 5 to 10 mph becoming north after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. North wind around 5 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. North wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms before 2pm, then isolated rain between 2pm and 3pm. Partly sunny, with a high near 83. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. North wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. Southwest wind around 5 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 75. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 54. North wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 56.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Shirland IL
 42.54°N 89.22°W (Elev. 850 ft)
1:21 pm CDT Aug 16, 2026
1pm CDT Aug 16, 2026-6pm CDT Aug 22, 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