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

9°F

-13°C

Humidity 66%
Wind Speed W 12 mph
Barometer 30.17 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 28 Jan 10:45 am CST
Extended Forecast for

Harvard IL

  • Today

    Today: Mostly sunny, with a high near 13. Wind chill values as low as -10. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 13 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -4. Wind chill values as low as -15. Northwest wind 5 to 10 mph.

    Low: -4 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 11. Wind chill values as low as -14. Northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -2. Wind chill values as low as -15. North northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: -2 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of snow, mainly before noon. Mostly sunny, with a high near 14. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 14 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of snow after noon. Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 13. Wind chill values as low as -10. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around -4. Wind chill values as low as -15. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 11. Wind chill values as low as -14. Northwest wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Partly cloudy, with a low around -2. Wind chill values as low as -15. North northwest wind around 5 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of snow, mainly before noon. Mostly sunny, with a high near 14. North wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 2.
Saturday
Mostly sunny, with a high near 19.
Saturday Night
Mostly clear, with a low around 4.
Sunday
A chance of snow after noon. Mostly sunny, with a high near 24.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 12.
Monday
Mostly cloudy, with a high near 26.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harvard IL
 42.42°N 88.61°W
Last Update:
11:41 am CST Jan 28, 2026
Forecast Valid:
11am CST Jan 28, 2026-6pm CST Feb 3, 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