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.

Fair

50°F

10°C

Humidity 54%
Wind Speed SW 14 mph
Barometer 29.69 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 9 Mar 2:15 am CDT
Extended Forecast for

2 Miles NW Harvard IL

  • Overnight

    Overnight: Mostly clear, with a low around 44. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Southwest wind around 5 mph becoming east northeast after midnight.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 57. East northeast wind 5 to 15 mph.

    High: 57 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 34. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 34 °F

    Showers

  • Wednesday

    Wednesday: Rain likely before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of snow after 4pm. Cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain. Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 45. Southwest wind around 5 mph becoming east northeast after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 57. East northeast wind 5 to 15 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 34. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday
Rain likely before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of snow after 4pm. Cloudy, with a high near 41. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Rain. Mostly cloudy, with a low around 34. Breezy.
Friday
Mostly sunny, with a high near 45. Breezy.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A chance of snow. Cloudy, with a high near 43.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 32.
Sunday
Rain and snow likely. Cloudy, with a high near 44.
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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:
2:11 am CDT Mar 9, 2026
Forecast Valid:
2am CDT Mar 9, 2026-6pm CDT Mar 15, 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