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

Gusty Winds in the Mid-Atlantic and Northeast; Atmospheric River to Impact the Northwest

Gusty winds are expected from portions of the Mid-Atlantic into the Northeast through the night following the system that brought rain to the area. An atmospheric river will move into the Northwest late today into Saturday bringing moderate to heavy rainfall, mountain snow, windy conditions, and high surf to the area over the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Freezing Fog

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 30°F (-1°C)
Visibility 0.15 mi
Last update 2 Nov 1:15 am CST
Extended Forecast for

Darien WI

Dense Fog Advisory until November 2, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 2, 08:00am

    NOW until 8:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 29 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 52. Light south wind becoming southwest 10 to 15 mph in the morning.

    High: 52 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 38. Southwest wind 10 to 15 mph.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Sunny, with a high near 58. West wind 10 to 15 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Southeast wind around 5 mph becoming northwest after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Northwest wind 5 to 10 mph.

    High: 56 °F

    Decreasing
    Clouds

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 29. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 52. Light south wind becoming southwest 10 to 15 mph in the morning.
Sunday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 38. Southwest wind 10 to 15 mph.
Monday
Sunny, with a high near 58. West wind 10 to 15 mph.
Monday Night
Partly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 59. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 41. Southeast wind around 5 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 55.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 44.
Friday
A 30 percent chance of rain. Mostly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
Last Update:
1:26 am CDT Nov 2, 2025
Forecast Valid:
1am CDT Nov 2, 2025-6pm CST Nov 8, 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