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U.S. Weather Update 3.17.26

| March 17, 2026 | By

 An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. 

Pennsylvania

Winter Storm Warning remains in effect until 5 am Wednesday. 

  • Total snow accumulations between 4 and 8 inches. 

  • Winds gusting as high as 45 mph.

New York

Lake Effect Snow Warning remains in effect until 8 pm tonight.

  • Heavy lake effect snow is expected. Snow accumulations between 6 and 10 inches. 

  • Winds gusting as high as 45 mph, causing blowing snow and limited visibility. 

Maine

Flood Watch remains in effect until this afternoon. 

  • Flooding caused by rain and snowmelt continues to be possible. 

 

 

 Additional High Wind Advisory included but not limited to:   Montana, Wyoming, Colorado, Nebraska, Kansas, Texas, North Dakota, South Dakota, West Virginia, New York, Pennsylvania, Massachusetts, Connecticut, Rhode Island, Vermont, New Hampshire, and Maine.

Additional Winter Weather Watch included but not limited to:  North Dakota,  Minnesota, Michigan, Ohio, Kentucky, Tennessee, West Virginia, Pennsylvania, and  New York.

Additional Flood Warning included but not limited to: Washington, Louisiana, Alabama, Illinois, Indiana, Michigan, Vermont, New Hampshire, and Maine. 

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