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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Rain

61°F

16°C

Humidity 83%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Jun 4:30 am CDT
Extended Forecast for

Harvard IL

  • Overnight

    Overnight: A 50 percent chance of showers. Cloudy, with a low around 61. Northwest wind around 5 mph.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 70. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 70 °F

    Chance
    Showers then
    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 61. Northwest wind around 5 mph.
Sunday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 70. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 74. Chance of precipitation is 80%.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 54.
Juneteenth
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harvard IL
 42.42°N 88.61°W
Last Update:
4:41 am CDT Jun 14, 2026
Forecast Valid:
5am CDT Jun 14, 2026-6pm CDT Jun 20, 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