National Weather Service United States Department of Commerce

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow and gusty winds, including some local blizzard conditions, will continue into Thanksgiving Day across the Great Lakes then lingering through Friday night for Lakes Erie and Ontario. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

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What's the difference between the Official River Forecast vs. HEFS vs. MMEFS?
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