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 >
Overview
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Early on April 11, 2020 a spring storm moved from southwestern Canada into the northern plains. Rain initially developed ahead of the system early Saturday morning. A cold front moved from northeast to southwest across the area Saturday, changing the rain to snow. Moderate to heavy snow fell Saturday night across the region, with 1-inch per hour snowfall rates at times. The snow tapered off quickly Easter Sunday morning, April 12, 2020. |
 2S Lead, SD Courtesy Bill H. |
Photos & Video
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| 1.5SE Rockerville, SD Courtesy Stacy S. |
1S Deadwood, SD Courtesy Bil S. |
Between Tilford and Piedmont, SD Courtesy Jean A. |
Black Hawk, SD Courtesy Wendy S. |
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| Box Elder, SD Courtesy Meri C. |
Keystone, SD Courtesy Christine S. |
Piedmont, SD Courtesy Gale H. |
Spearfish, SD Courtesy Vicki B. |
Radar
Storm Reports
The storm reports listed below are in descending order and may not necessarily be the final storm reports. Snow reports listed by amount INCHES LOCATION ST COUNTY TIME ------ ----------------------- -- -------------- ------- 15.00 1 S DEADWOOD SD LAWRENCE 0843 AM 13.00 LEAD SD LAWRENCE 0900 AM 12.00 2 S LEAD SD LAWRENCE 1111 AM 10.90 1 NW PIEDMONT SD MEADE 0920 AM 10.00 2 NNW SAINT ONGE SD LAWRENCE 1054 AM 10.00 14 SSW RED SHIRT SD OGLALA LAKOTA 0955 AM 10.00 BLACK HAWK SD MEADE 0906 AM 10.00 6 SSW LEAD SD LAWRENCE 0800 AM 9.50 1 SSW BELLE FOURCHE SD BUTTE 0826 AM 9.40 5 ESE NORRIS SD MELLETTE 0814 AM 9.00 COLOME SD TRIPP 0940 AM 9.00 DWTN SPEARFISH SD LAWRENCE 0909 AM 9.00 2 W DWTN SPEARFISH SD LAWRENCE 0907 AM 9.00 9 ENE WEWELA SD TRIPP 0700 AM 8.00 6 SW BEULAH WY CROOK 0900 AM 8.00 7 W DWTN RAPID CITY SD PENNINGTON 0800 AM 8.00 2 SSW NORRIS SD MELLETTE 0800 AM 7.90 DWTN SPEARFISH SD LAWRENCE 0900 AM 7.80 JOHNSON SIDING SD PENNINGTON 1004 AM 7.50 STURGIS SD MEADE 0828 AM 7.50 3 WNW DWTN RAPID CITY SD PENNINGTON 0800 AM 7.50 3 WNW DWTN SPEARFISH SD LAWRENCE 0800 AM 7.50 1 SSE BELLE FOURCHE SD BUTTE 0800 AM 7.50 2 W DWTN SPEARFISH SD LAWRENCE 0721 AM 7.50 1 SSW RAPID VALLEY SD PENNINGTON 0600 AM 7.30 3 NNE JOHNSON SIDING SD PENNINGTON 0800 AM 7.00 WHITEWOOD SD LAWRENCE 0908 AM 6.50 8 SE INTERIOR SD JACKSON 0845 AM 6.50 4 NNW WHITEWOOD SD LAWRENCE 0700 AM 6.20 14 NNW DWTN GILLETTE WY CAMPBELL 0800 AM 6.20 7 NNW DWTN SPEARFISH SD LAWRENCE 0800 AM 6.20 7 NNW DWTN SPEARFISH SD LAWRENCE 0800 AM 6.00 FARMINGDALE SD PENNINGTON 1101 AM 6.00 WALL SD PENNINGTON 1042 AM 6.00 7 ENE WASTA SD PENNINGTON 1037 AM 6.00 OGLALA SD OGLALA LAKOTA 0956 AM 6.00 2 SE ROCKERVILLE SD PENNINGTON 0842 AM 6.00 1 N BELLE FOURCHE SD BUTTE 0829 AM 6.00 PACTOLA RES SD PENNINGTON 0800 AM 6.00 4 S DWTN RAPID CITY SD PENNINGTON 0745 AM 6.00 3 E KYLE SD OGLALA LAKOTA 0700 AM 6.00 7 N WOOD SD MELLETTE 0700 AM 5.90 1 E DWTN RAPID CITY SD PENNINGTON 0855 AM 5.50 5 WNW HERMOSA SD CUSTER 0952 AM 5.50 2 NE BOX ELDER SD PENNINGTON 0900 AM 5.10 5 SW DWTN RAPID CITY SD PENNINGTON 0800 AM 5.00 KEYSTONE SD PENNINGTON 1206 PM 5.00 1 E NEWELL SD BUTTE 1137 AM 5.00 3 SSE SILVER CITY SD PENNINGTON 1136 AM 5.00 5 ESE ELM SPRINGS SD MEADE 1126 AM 5.00 BOX ELDER SD PENNINGTON 0908 AM 5.00 EDGEMONT SD FALL RIVER 0800 AM 5.00 5 E PIEDMONT SD MEADE 0730 AM 5.00 9 N CEDAR BUTTE SD MELLETTE 0700 AM 4.80 HILL CITY SD PENNINGTON 0700 AM 4.50 7 NNE ELLSWORTH AFB SD MEADE 1135 AM 4.50 14 SSE DUPREE SD ZIEBACH 1018 AM 4.50 4 W HOT SPRINGS SD FALL RIVER 0800 AM 4.20 HOT SPRINGS SD FALL RIVER 0800 AM 4.00 7 NNE CAMP CROOK SD HARDING 1126 AM 4.00 BUFFALO SD HARDING 1124 AM 4.00 1 WNW HOOVER SD BUTTE 1121 AM 4.00 6 SSW ELM SPRINGS SD MEADE 1104 AM 4.00 SHARPS CORNER SD OGLALA LAKOTA 1103 AM 4.00 4 SE FOLSOM SD CUSTER 1059 AM 4.00 2 NE KADOKA SD JACKSON 1053 AM 4.00 19 S QUINN SD PENNINGTON 1050 AM 4.00 5 E ELM SPRINGS SD MEADE 1048 AM 4.00 1 SSW PINE RIDGE SD OGLALA LAKOTA 0958 AM 4.00 ARGYLE SD CUSTER 0725 AM 4.00 ORAL SD FALL RIVER 0700 AM 4.00 EDGEMONT SD FALL RIVER 0700 AM 3.50 2 W CUSTER SD CUSTER 1137 AM 3.50 8 NW CUSTER SD CUSTER 0730 AM 3.50 3 WNW KADOKA SD JACKSON 0630 AM 3.10 2 SW KEYSTONE SD PENNINGTON 1158 PM 3.00 3 SSE HARDING SD HARDING 1159 AM 3.00 WASTA SD PENNINGTON 1133 AM 3.00 10 NW CLARETON WY WESTON 1119 AM 3.00 11 ESE RENO JUNCTION WY CAMPBELL 1117 AM 3.00 10 WNW PINE TREE JUNCTI WY CAMPBELL 1114 AM 3.00 9 NNW CREIGHTON SD PENNINGTON 1044 AM 3.00 15 NW EDGEMONT SD FALL RIVER 1030 AM 3.00 6 N NORRIS SD MELLETTE 1007 AM 3.00 7 SW RAPID CITY ARPT SD PENNINGTON 0959 AM 3.00 DWTN GILLETTE WY CAMPBELL 0939 AM 3.00 13 SSW NEWCASTLE WY WESTON 0800 AM 3.00 OPAL SD MEADE 0700 AM 3.00 8 E MARTIN SD BENNETT 0600 AM 2.50 2 S DEVILS TOWER WY CROOK 1138 AM 2.50 7 ENE ROCHELLE WY WESTON 1119 AM 2.50 1 WNW CLARETON WY WESTON 0800 AM 2.30 11 NE WESTON WY CAMPBELL 0800 AM 2.00 1 E WRIGHT WY CAMPBELL 1116 AM 2.00 8 NNW USTA SD PERKINS 0800 AM 1.80 SUNDANCE WY CROOK 0700 AM 1.50 3 S REDIG SD HARDING 1123 AM 1.20 5 SW LODGEPOLE SD PERKINS 0600 AM 1.00 1 W NEWCASTLE WY WESTON 0800 AM 1.00 4 E NEWCASTLE WY WESTON 0700 AM
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