Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

46°F

8°C

Humidity 93%
Wind Speed SW 15 mph
Barometer 29.82 in
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill40°F (4°C)
Last update 4 Apr 9:45 am CDT
Extended Forecast for

Harvard ILSimilar City Names

  • Today

    Today: Areas of fog before 1pm.  Otherwise, cloudy, with a steady temperature around 47. Breezy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 47 °F

    Areas Fog and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Partly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 45. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Areas of fog before 1pm. Otherwise, cloudy, with a steady temperature around 47. Breezy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 45. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 63. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Mostly cloudy, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42.
Friday
A chance of showers. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Harvard ILSimilar City Names
 42.42°N 88.61°W
9:41 am CDT Apr 4, 2026
10am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

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