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.

Overcast

43°F

6°C

Humidity 42%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 17 Nov 2:45 pm CST
Extended Forecast for

Roscoe IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 44. Calm wind becoming east around 5 mph.

    High: 44 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly after midnight. Low around 37. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain, mainly before 9am, then occasional rain or drizzle after 10am. High near 42. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 35. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 45. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 45 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 44. Calm wind becoming east around 5 mph.
Tonight
Rain, mainly after midnight. Low around 37. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain, mainly before 9am, then occasional rain or drizzle after 10am. High near 42. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Cloudy, with a low around 35. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Cloudy, with a high near 45. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 33.
Friday
A chance of rain. Partly sunny, with a high near 47.
Friday Night
A chance of rain before midnight. Mostly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.41°N 89.02°W
Last Update:
3:11 pm CST Nov 17, 2025
Forecast Valid:
3pm 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