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U.S. Weather Update 3.12.26

| March 12, 2026 | By

 Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. 

Washington

Winter Storm Warning remains in effect until 5 am Saturday.

  • Total snow accumulations between 12 and 20 .

  • Winds gusting as high as 50 mph

Flood Warning remains in effect until further notice. 

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

Idaho

Winter Storm Warning remains in effect until 11 pm Wednesday

  • Total snow accumulations of 1 to 5 inches in lower elevations and 20 to 3 feet at higher elevations. 

  • Winds gusting from 40 to 60 mph. 

Montana

Winter Storm Warning remains in effect until noon Saturday.

  • Total snow accumulations of 6 to 12 inches in the lower elevations and 1 to 3 feet at higher elevations. 

  • Winds gusting as high as 45 mph.

North Dakota

Winter Storm Warning remains in effect until one Friday.

  • Total snow accumulations of 3 to 8 inches are expected. 

  • Winds gusting as high as 50mph.

Minnesota

Winter Storm Warning remains in effect until 1 pm Friday.

  • Total snow accumulations of 6 to 12 inches are expected. 

  • Winds gusting as high as 35 mph.

Wisconsin

Winter Storm Warning remains in effect until 1 pm Friday.

  • Total snow accumulations of 4 to 8inches are expected. 

  • Winds gusting as high as 40 mph.

Michigan

Winter Storm Warning remains in effect until 2 pm Friday. 

  • Total snow accumulations between 8 and 12 inches. 

  • Winds gusting as high as 30 mph.

 Maine

Winter Storm Watch remains in effect from Wednesday morning through Thursday morning.

  • Total snow and sleet accumulations greater than 2 to 5 inches. 
  • Total ice accumulations up to two tenths of an inch. 
  • Sleet accumulations between 1 and 2 inches.
 

 

 Additional High Wind Advisory included but not limited to:   Washington, Oregon, Idaho, Nevada, Montana, Wyoming, Utah, Colorado, Texas, Kansas, Nebraska, South Dakota, North Dakota, Minnesota, Iowa, Missouri, Kentucky, Illinois, Indiana, Ohio, West Virginia, Louisiana, Alabama, Florida, Georgia, South Carolina, Pennsylvania, New York, Massachusetts New Hampshire, and Maine.

Additional Winter Weather Watch included but not limited to:  Oregon, Idaho, Wyoming, North Dakota, Minnesota, and Wisconsin.

Additional Flood Warning included but not limited to: Texas, Oklahoma, Kansas, Missouri, Arkansas, Louisiana, Mississippi, Illinois, Indiana, Ohio, New York, Connecticut, and Massachusetts. 

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