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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

63°F

17°C

Humidity 25%
Wind Speed NE 9 mph
Barometer 30.39 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 8 Oct 3:45 pm CDT
Extended Forecast for

Roscoe IL

  • Tonight

    Tonight: Clear, with a low around 39. Northeast wind around 5 mph becoming calm after midnight.

    Low: 39 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Light east wind becoming south southeast 5 to 10 mph in the morning.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. West wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 39. Northeast wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 65. Light east wind becoming south southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 43. Southeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Partly sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 42. West wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 53.
Columbus Day
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roscoe IL
 42.43°N 89.02°W
Last Update:
4:11 pm CDT Oct 8, 2025
Forecast Valid:
4pm CDT Oct 8, 2025-6pm CDT Oct 15, 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