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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

39°F

4°C

Humidity 56%
Wind Speed NW 6 mph
Barometer 29.98 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 6 May 8:45 pm CDT
Extended Forecast for

Roscoe IL

Frost Advisory May 7, 01:00am until May 7, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. West northwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 60. Light south southwest wind becoming west southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 60 °F

    Areas Frost
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 38. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 38 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 64. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers, mainly after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 60. Light south southwest wind becoming west southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 38. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Friday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 64. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 44. South southwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A chance of showers. Mostly cloudy, with a high near 67.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.43°N 88.99°W
Last Update:
9:01 pm CDT May 6, 2026
Forecast Valid:
9pm CDT May 6, 2026-6pm CDT May 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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