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 >

Spring 2022 temperatures ended up about a degree or two below average at Northland climate sites, and the tilt below normal was largely due to below average March temperatures. It was a very rainy/snowy spring as well, with all sites reporting above average precipitation. International Falls broke the all-time record for the rainiest spring, and the total was almost 3 times higher than average. Major flooding has resulted in the Rainy Lake Basin along the International Border, which is expected to continue through at least June. Precipitation amounts were closer to average at Ashland, and that is generally representative of northwest Wisconsin as a whole.