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

Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

63°F

17°C

Humidity 94%
Wind Speed NE 8 mph
Barometer 30.17 in
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 31 Jul 3:30 am CDT
Extended Forecast for

3 Miles W Walworth WI

  • Overnight

    Overnight: Areas of smoke. Mostly cloudy, with a low around 62. Northeast wind around 10 mph.

    Low: 62 °F

    Areas Smoke

  • Thursday

    Thursday: Areas of smoke before 4pm. Mostly sunny, with a high near 73. Northeast wind 10 to 15 mph.

    High: 73 °F

    Areas Smoke

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Northeast wind around 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74. Northeast wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of smoke. Mostly cloudy, with a low around 62. Northeast wind around 10 mph.
Thursday
Areas of smoke before 4pm. Mostly sunny, with a high near 73. Northeast wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 55. Northeast wind around 10 mph.
Friday
Sunny, with a high near 74. Northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. Calm wind.
Sunday
Mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Walworth WI
 42.53°N 88.66°W (Elev. 951 ft)
Last Update:
2:24 am CDT Jul 31, 2025
Forecast Valid:
3am CDT Jul 31, 2025-6pm CDT Aug 6, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation