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

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

28°F

-2°C

Humidity 74%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 17 Nov 3:35 am CST
Extended Forecast for

3 Miles W Harvard IL

  • Overnight

    Overnight: Clear, with a steady temperature around 27. Calm wind.

    Low: 27 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 47. Calm wind.

    High: 47 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Rain, mainly after 11pm. Low around 36. Light east southeast wind becoming east 5 to 10 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely
    then Rain

  • Tuesday

    Tuesday: Occasional rain or drizzle, mainly before noon. High near 40. East northeast wind 10 to 15 mph. Chance of precipitation is 90%.

    High: 40 °F

    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 34. East northeast wind 5 to 10 mph becoming light after midnight.

    Low: 34 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 45.

    High: 45 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after noon. Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Overnight
Clear, with a steady temperature around 27. Calm wind.
Monday
Increasing clouds, with a high near 47. Calm wind.
Monday Night
Rain, mainly after 11pm. Low around 36. Light east southeast wind becoming east 5 to 10 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Occasional rain or drizzle, mainly before noon. High near 40. East northeast wind 10 to 15 mph. Chance of precipitation is 90%.
Tuesday Night
Cloudy, with a low around 34. East northeast wind 5 to 10 mph becoming light after midnight.
Wednesday
Cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of rain after noon. Mostly cloudy, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Partly sunny, with a high near 46.
Friday Night
A chance of rain. Mostly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Harvard IL
 42.42°N 88.67°W
Last Update:
3:11 am CST Nov 17, 2025
Forecast Valid:
3am CST Nov 17, 2025-6pm CST Nov 23, 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