National Weather Service United States Department of Commerce

Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions. Read More >

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Meteorological Model Ensemble River Forecasts
Map Last Updated:

 

News Legend
News Items less than 24 hours old News Items 1 to 7 days old No current News Items
Map Legend
Chance of Exceedance
River Forecast Centers
30%
Level
70%
Action
Minor Flood
Moderate Flood
Major Flood
= less than 30% chance of reaching Action level
 
= no critical levels defined for this point