Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.
A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >
Last Update: 405 PM EST Mon Dec 8 2025
For More Weather Information:
6NM WNW Portsmouth RI
Marine Zone Forecast
Tonight
N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft.
Tue
NW winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon.
Tue Night
SW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 4 ft. A chance of rain.
Wed
SW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 4 ft, building to 4 to 6 ft in the afternoon. A chance of rain in the afternoon.
Wed Night
SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. A chance of rain.
Thu
W winds 15 to 20 kt with gusts up to 25 kt. Waves 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon.
Thu Night
W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 2 to 3 ft.
Fri
W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft.
Fri Night
W winds 10 to 15 kt. Waves 2 to 3 ft. A chance of snow.
Sat
W winds 15 to 20 kt. Waves 2 to 3 ft. A chance of snow and rain.
Sat Night
W winds 15 to 20 kt. Waves 2 to 3 ft. A chance of snow.
seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
Additional Forecasts and Information
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