Heavy Rainfall, Severe Weather and Flood Threats for the East; Fire Weather Risk for the West

A slow moving storm system will affect the eastern third of the country through Friday. Thunderstorms, some severe, accompanied by heavy rainfall may result in flooding. For the Pacific Northwest, approaching storm system may bring some severe weather threats and dry thunderstorms for portions of Nevada for the risk of wild fires. Across southern Alaska, fire weather concerns increase Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

77°F

25°C

Humidity 61%
Wind Speed S 6 mph
Barometer 29.72 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 May 2:45 pm CDT
Extended Forecast for

Roscoe IL

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm.  Cloudy, with a high near 75. South southwest wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 75 °F

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then scattered showers and thunderstorms after 4am.  Cloudy, with a low around 54. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    Low: 54 °F

  • Friday

    Friday: Scattered showers before 10am.  Mostly cloudy, with a high near 67. North wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Scattered
    Showers then
    Mostly Cloudy

    High: 67 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 49. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 10 mph.

    Partly Cloudy

    Low: 49 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    Mostly Sunny

    High: 76 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 62.

    Slight Chance
    T-storms

    Low: 62 °F

  • Sunday

    Sunday: Partly sunny, with a high near 84. Breezy.

    Partly Sunny
    then Partly
    Sunny and
    Breezy

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Memorial
    Day

    Memorial Day: Mostly sunny, with a high near 89. Breezy.

    Mostly Sunny
    then Sunny
    and Breezy

    High: 89 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 75. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then scattered showers and thunderstorms after 4am. Cloudy, with a low around 54. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Scattered showers before 10am. Mostly cloudy, with a high near 67. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 49. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Mostly sunny, with a high near 76. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 84. Breezy.
Sunday Night
Partly cloudy, with a low around 70.
Memorial Day
Mostly sunny, with a high near 89. Breezy.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A chance of showers. Partly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Roscoe IL
 42.41°N 89.02°W
3:15 pm CDT May 26, 2022
3pm CDT May 26, 2022-6pm CDT Jun 1, 2022
 
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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