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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

43°F

6°C

Humidity 71%
Wind Speed SE 10 mph
Barometer 30.15 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Dec 12:45 pm CST
Extended Forecast for

2 Miles SW Harvard IL

  • This Afternoon

    This Afternoon: Drizzle, mainly after 5pm. Cloudy, with a high near 42. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Drizzle

  • Tonight

    Tonight: Drizzle, mainly before 9pm. Patchy fog between 9pm and 3am. Otherwise, cloudy, with a low around 34. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Drizzle and
    Patchy Fog
    then Patchy
    Drizzle and
    Patchy Fog

  • Christmas Day

    Christmas Day: Cloudy, with a steady temperature around 36. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after midnight. Low around 34. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain

  • Friday

    Friday: A 40 percent chance of rain before noon. Cloudy, with a high near 44. Southeast wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 10 mph.

    High: 44 °F

    Chance Rain
    then Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 34.

    Low: 34 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 37.

    Low: 37 °F

    Cloudy

  • Sunday

    Sunday: A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Breezy.

    High: 39 °F

    Cloudy then
    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Drizzle, mainly after 5pm. Cloudy, with a high near 42. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Drizzle, mainly before 9pm. Patchy fog between 9pm and 3am. Otherwise, cloudy, with a low around 34. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Christmas Day
Cloudy, with a steady temperature around 36. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Rain, mainly after midnight. Low around 34. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
A 40 percent chance of rain before noon. Cloudy, with a high near 44. Southeast wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 10 mph.
Friday Night
Cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 45.
Saturday Night
Cloudy, with a low around 37.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Breezy.
Sunday Night
Mostly cloudy, with a low around 10. Blustery.
Monday
Mostly sunny, with a high near 20. Blustery.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Harvard IL
 42.39°N 88.64°W
Last Update:
1:36 pm CST Dec 24, 2025
Forecast Valid:
1pm CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation