Record Cold Temperatures - April 3rd and 4th, 2018

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 >

...All-time record April low temperatures, record low highs, and record nighttime lows set across the region... All-time April Low Temperatures City...........Low Temp...Previous Record...Year Set Aberdeen.........-6...........-2..............1975 Pierre............0............1..............1936 Record Low Highs April 3rd City...........High Temp...Previous Record..Year Set Aberdeen..........20...........25..............2007 Pierre............22...........30..............1936 Mobridge..........23...........27..............2007 Record Lows Tied April 3rd City............Low Temp...Previous Record...Year Set Aberdeen..........-2............-2.............1975 Record Lows April 4th City............Low Temp....Previous Record...Year Set Aberdeen..........-6.............5.............1920 Watertown.........-3.............7.............1995 Pierre.............0............12.............1968 Mobridge...........1............11.............2007