Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog
N/A
| Humidity | NA |
| Wind Speed | Calm |
| Barometer | 30.44 in |
| Dewpoint | N/A |
| Visibility | 0.15 mi |
| Last update | 1 Dec 3:35 am CST |
Extended Forecast for
Roscoe IL
Winter Weather Advisory December 1, 02:00pm until December 2, 12:00am
Overnight

Low: 6 °F
Patchy Fog
Monday
High: 27 °F
Cloudy then
SnowMonday Night
Low: 11 °F
Snow then
Slight Chance
SnowTuesday

High: 23 °F
Partly Sunny
Tuesday Night

Low: 15 °F
Mostly Cloudy
Wednesday

High: 31 °F
Chance Snow
Wednesday Night
Low: -6 °F
Slight Chance
Snow then
Mostly ClearThursday

High: 10 °F
Cold
Thursday Night

Low: -7 °F
Partly Cloudy
Detailed Forecast
Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 6. Calm wind.
Monday
Snow, mainly after 2pm. High near 27. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Snow, mainly before 10pm. Low around 11. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 23. West northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 15. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of snow. Cloudy, with a high near 31.
Wednesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -6.
Thursday
Sunny and cold, with a high near 10.
Thursday Night
Partly cloudy, with a low around -7.
Friday
Partly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Mostly cloudy, with a high near 24.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Roscoe IL
42.43°N 88.99°W
42.43°N 88.99°W
3:35 am CST Dec 1, 2025
3am CST Dec 1, 2025-6pm CST Dec 7, 2025



