National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. 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