National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

30°F

-1°C

Humidity 69%
Wind Speed W 6 mph
Barometer 30.16 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 12 Mar 1:15 am CDT
Extended Forecast for

2 Miles W Harvard IL

  • Overnight

    Overnight: Mostly clear, with a low around 28. West wind around 10 mph.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 45. West wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly between midnight and 2am. Mostly cloudy, with a low around 33. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Showers and
    Breezy then
    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 42. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 42 °F

    Mostly Cloudy
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. West northwest wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 30 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 1pm. Cloudy, with a high near 40.

    High: 40 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A chance of snow showers before 1am, then rain and snow showers. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow showers, becoming all rain after 1pm. Cloudy, with a high near 45. Breezy.

    High: 45 °F

    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Rain/Snow
    Likely and
    Blustery

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West wind around 10 mph.
Thursday
Increasing clouds, with a high near 45. West wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Showers likely, mainly between midnight and 2am. Mostly cloudy, with a low around 33. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 42. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 26. West northwest wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 30 mph.
Saturday
A 20 percent chance of snow showers after 1pm. Cloudy, with a high near 40.
Saturday Night
A chance of snow showers before 1am, then rain and snow showers. Low around 31. Chance of precipitation is 80%.
Sunday
Rain and snow showers, becoming all rain after 1pm. Cloudy, with a high near 45. Breezy.
Sunday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 14. Blustery.
Monday
Mostly cloudy, with a high near 23. Blustery.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Harvard IL
 42.42°N 88.67°W
Last Update:
12:56 am CDT Mar 12, 2026
Forecast Valid:
1am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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