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

Nor'easter Bringing Dangerous Coastal Conditions to the Mid-Atlantic; Pacific Storm to Impact the Southwest U.S.

A Nor'easter well off the East Coast will slowly track north this week and may gain some subtropical characteristics. Strong onshore winds will bring flooding, dangerous marine conditions, and beach erosion along the Mid-Atlantic coast. A Pacific storm will bring gusty winds, severe thunderstorms, and mountain snow to portions of California and the Southwest U.S. through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

45°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Last update 20 Oct 10:55 pm CDT
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Calm wind.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. East wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Southeast wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70. South wind 5 to 10 mph.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 72. Calm wind.
Thursday Night
Mostly clear, with a low around 48. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 50. Southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 70. South wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
9:33 pm CDT Oct 20, 2026
Forecast Valid:
11pm CDT Oct 20, 2026-6pm CDT Oct 27, 2026
 
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