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 >

Temperatures were above average across the entire region this January, while precipitation and snowfall were variable across the region. For much of northeast Minnesota, particularly the Iron Range and areas north, precipitation was below average. Northwest Wisconsin and extending towards the Twin Ports, precipitation was above average. January 2023 was in some ways an opposite to December 2022, which saw below normal temperatures and nearly uniformly above average precipitation. Abnormally dry conditions previously present over northwest Wisconsin are no longer present for the most part.

The Climate Prediction Center is forecasting equal chances for above or below normal temperatures and above normal precipitation in the 1 to 3 month outlooks.