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Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Overview

A major ice storm impacted portions of the Northern Plains between December 25-27, 2023. Significant impacts from ice accumulations over 1.0 inch occurred in portions of southeast North Dakota into far northeast South Dakota. This event summary will focus on eastern North Dakota into northwest and west-central Minnesota.

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