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

Heavy Rainfall Across South Texas and the Northeast; Thunderstorms in the Southern Appalachians and Rio Grande Valley

Widespread showers and thunderstorms producing heavy rain may bring flooding to South Texas and parts of the Northeast U.S. tonight into Friday morning. Scattered severe thunderstorms with damaging gusts and large hail are expected over parts of the southern Appalachians, and Rio Grande Valley of Texas into Friday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

36°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 9 May 4:10 am CDT
Extended Forecast for

6 Miles SE Rockdale WI

Frost Advisory May 9, 04:25am until May 9, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory May 9, 04:25am until May 9, 08:00am

    NOW until 8:00am Fri

    Frost Advisory

  • Today

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southwest wind around 5 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. West wind 5 to 10 mph becoming northeast in the afternoon.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40. East wind 5 to 10 mph becoming light after midnight.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Southeast wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51. Southeast wind around 5 mph.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 49. Southwest wind around 5 mph.
Saturday
Sunny, with a high near 72. West wind 5 to 10 mph becoming northeast in the afternoon.
Saturday Night
Clear, with a low around 40. East wind 5 to 10 mph becoming light after midnight.
Sunday
Sunny, with a high near 75. Southeast wind 5 to 10 mph.
Sunday Night
Clear, with a low around 51. Southeast wind around 5 mph.
Monday
Sunny, with a high near 80. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 57. Southeast wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Rockdale WI
 42.91°N 88.96°W (Elev. 807 ft)
Last Update:
4:08 am CDT May 9, 2025
Forecast Valid:
4am CDT May 9, 2025-6pm CDT May 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