Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

For More Weather Information:

Norton, MA Local Forecast Office

20NM W Hyannis MA

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Increasing clouds. Seas around 1 ft.

      High: 35 °F

      ⇑SW 6kt
      1ft

    • Tonight

      Tonight:SSW wind 12 to 15 kt increasing to 17 to 20 kt after midnight. Winds could gust as high as 31 kt. A chance of showers, mainly between 9pm and 4am.   Seas around 3 ft.

      Low: 32 °FRising Temperatures

      ⇑SSW 20kt
      3ft

    • Wednesday

      Wednesday:SSW wind 16 to 21 kt increasing to 21 to 26 kt in the afternoon. Rain, mainly after 5pm.   Seas around 3 ft.

      High: 49 °F

      ⇑SSW 26kt
      3ft

    • Wednesday Night

      Wednesday Night:WSW wind 20 to 23 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 29 kt. Showers likely, mainly before 2am.   Seas 3 to 4 ft.

      Low: 38 °F

      WSW 23kt⇓
      3-4ft

    • Thursday

      Thursday:W wind around 16 kt, with gusts as high as 32 kt. Mostly sunny. Seas around 3 ft.

      High: 38 °F

      W 16kt
      3ft

    • Thursday Night

      Thursday Night:W wind 17 to 21 kt, with gusts as high as 31 kt. A slight chance of snow showers before midnight.   Seas around 3 ft.

      Low: 29 °F

      W 21kt
      3ft

    • Friday

      Friday:W wind 20 to 24 kt, with gusts as high as 32 kt. Sunny. Seas around 3 ft.

      High: 36 °F

      W 24kt
      3ft

    • Friday Night

      Friday Night:W wind 15 to 18 kt decreasing to 12 to 15 kt after midnight. Winds could gust as high as 24 kt. A chance of showers.   Seas 2 to 3 ft.

      Low: 31 °F

      W 18kt⇓
      2-3ft

    • Saturday

      Saturday:W wind 12 to 15 kt increasing to 17 to 20 kt in the afternoon. A chance of rain showers before 9am, then a chance of snow showers between 9am and 11am, then a chance of rain showers after 11am.   Seas 2 to 3 ft.

      High: 40 °F

      ⇑W 20kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:39 am EST Dec 9, 2025
Forecast Valid: 5am EST Dec 9, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY

Today
Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Increasing clouds. Seas around 1 ft.
Tonight
SSW wind 12 to 15 kt increasing to 17 to 20 kt after midnight. Winds could gust as high as 31 kt. A chance of showers, mainly between 9pm and 4am. Seas around 3 ft.
Wednesday
SSW wind 16 to 21 kt increasing to 21 to 26 kt in the afternoon. Rain, mainly after 5pm. Seas around 3 ft.
Wednesday Night
WSW wind 20 to 23 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 29 kt. Showers likely, mainly before 2am. Seas 3 to 4 ft.
Thursday
W wind around 16 kt, with gusts as high as 32 kt. Mostly sunny. Seas around 3 ft.
Thursday Night
W wind 17 to 21 kt, with gusts as high as 31 kt. A slight chance of snow showers before midnight. Seas around 3 ft.
Friday
W wind 20 to 24 kt, with gusts as high as 32 kt. Sunny. Seas around 3 ft.
Friday Night
W wind 15 to 18 kt decreasing to 12 to 15 kt after midnight. Winds could gust as high as 24 kt. A chance of showers. Seas 2 to 3 ft.
Saturday
W wind 12 to 15 kt increasing to 17 to 20 kt in the afternoon. A chance of rain showers before 9am, then a chance of snow showers between 9am and 11am, then a chance of rain showers after 11am. Seas 2 to 3 ft.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 41.61°N 70.75°W
Last Update: 3:39 am EST Dec 9, 2025
Forecast Valid: 5am EST Dec 9, 2025-6pm EST Dec 15, 2025
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