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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

50°F

10°C

Humidity 82%
Wind Speed NW 16 G 21 mph
Barometer 29.91 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 16 Oct 2:55 am CDT
Extended Forecast for

2 Miles NW Harvard IL

Freeze Warning October 17, 05:00am until October 17, 08:00am
Click here for hazard details and duration
...

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 51. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 51 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Widespread frost after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 31 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 55 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 35. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. West northwest wind around 15 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 51. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Widespread frost after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Clear, with a low around 35. South southwest wind around 5 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Harvard IL
 42.44°N 88.64°W
Last Update:
2:56 am CDT Oct 16, 2026
Forecast Valid:
3am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation