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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

46°F

8°C

Humidity 43%
Wind Speed W 6 mph
Barometer 30.20 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 3 Nov 6:45 pm CST
Extended Forecast for

Harvard IL

  • Tonight

    Tonight: Increasing clouds, with a low around 38. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: A chance of rain before noon. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Partly sunny, with a high near 60. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 46. Southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
A chance of rain before noon. Partly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
A chance of rain after noon. Partly sunny, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harvard IL
 42.42°N 88.61°W
Last Update:
7:51 pm CST Nov 3, 2025
Forecast Valid:
7pm CST Nov 3, 2025-6pm CST Nov 10, 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