National Weather Service United States Department of Commerce

Atmospheric River in the Pacific Northwest and Northwest California Early This Week

An atmospheric river event will bring heavy rains and rising snow levels to the Pacific Northwest and northwest California early this week. Snow levels will rise above 8,000 feet, and 4 to 7 inches of rain is forecast for the southwest facing slopes of the mountains. Minor river and localized flooding will be possible. In the east, winds decrease by Monday, and the week will be relatively dry. Read More >

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Last Map Update: Mon, Nov. 20, 2017 at 3:41:24 am CST

National Weather Service Shreveport, LANational Weather Service Jackson, MississippiNational Weather Service NWS Birmingham, Alabama
National Weather Service Lake Charles, LAZoom
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National Weather Service Mobile/Pensacola

Tonight is expected to be the coldest night of the season thus far with clear skies and mostly light north winds. Lows are forecast to drop to 33 to 37 degrees in south Mississippi and east central Louisiana, along and north of Interstate 12, and patchy frost will be possible. Tender vegetation and plants will need to be protected. Elsewhere, areas south of I-12 and the tidal lakes are expected to see lows tonight in the upper 30s and lower 40s, except for warmer upper 40s and lower 50s near the lakes and coast. Another cool day is expected on Monday under mostly sunny skies with highs in the 60 to 65 degree range. It will become partly cloudy but remain dry Monday night through Tuesday night with a warming trend expected to bring the high temperatures back near 70 degrees on Tuesday.
Climate data for November 20th.


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