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 >

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The average temperature of 32.6 degrees at International Falls through the first 7 days of December ranks as the warmest such period on record. The average temperature for the same period is 14.7 degrees. Non continuous weather records at International Falls began in 1897 with a total of 86 Decembers on record.

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

Warmest Opening to a December at International Falls