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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A spring storm system brought heavy snow and gusty winds to portions of the Black Hills, northeastern Wyoming, and western South Dakota from the evening of April 1st through April 2nd, 2020. Before the snow began, thunderstorms occurred over southwestern and south central South Dakota. These storms had small hail and gusty winds. As temperatures cooled Wednesday night, rain changed to freezing rain and snow across the area. Icing resulted in slippery roads and hazardous travel. By Thursday morning, several inches of snow had fallen across the area. A couple locations received a foot of snow. Gusts over 50 mph were reported, which created blowing and drifting snow. Snow and blowing snow continued into the afternoon of April 2nd, finally diminishing by evening. |
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Photos
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| Belle Fourche (Penny) |
Custer (Ellen) |
1 S Custer (Lori) |
Custer Highlands (Kamryn) |
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| 2 SW Rapid City (Galen) |
Heart Ranch (Jeff and Marlene) |
Nemo Road (Jay) |
Nemo Road (Gabe) |
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| Lead (Kay) |
Sheridan Lake Road (Ben) |
Spearfish (Alicia) |
Rockerville (Stacy) |
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 ------ ----------------------- -- -------------- ------- 12.20 7 W DWTN RAPID CITY SD PENNINGTON 0800 AM 12.00 10 N OSAGE WY WESTON 0800 AM 11.00 4 SE DEERFIELD SD PENNINGTON 0249 AM 10.00 15 SSE DUPREE SD ZIEBACH 0800 AM 10.00 3 WNW DWTN RAPID CITY SD PENNINGTON 0800 AM 10.00 4 SSW HILL CITY SD PENNINGTON 0646 AM 9.60 1 NNW PIEDMONT SD MEADE 1041 AM 9.50 HILL CITY SD PENNINGTON 0856 AM 9.50 PACTOLA RES SD PENNINGTON 0750 AM 9.10 1 E DWTN RAPID CITY SD PENNINGTON 0148 PM 9.00 SUNDANCE WY CROOK 0846 AM 9.00 7 W JEWEL CAVE SD CUSTER 0804 AM 9.00 5 W ELLSWORTH AFB SD MEADE 0800 AM 8.80 3 NNE JOHNSON SIDING SD PENNINGTON 0800 AM 8.50 6 SSW LEAD SD LAWRENCE 0800 AM 8.50 8 NW CUSTER SD CUSTER 0626 AM 8.00 2 NNW SAINT ONGE SD LAWRENCE 0150 PM 8.00 15 NNW ALVA WY CROOK 0111 PM 8.00 BLACK HAWK SD MEADE 1100 AM 8.00 9 NNW CREIGHTON SD PENNINGTON 1051 AM 8.00 2 SW DWTN RAPID CITY SD PENNINGTON 1043 AM 8.00 12 WSW HEREFORD SD MEADE 1017 AM 8.00 6 SW BEULAH WY CROOK 0900 AM 8.00 PINE HAVEN WY CROOK 0900 AM 8.00 3 WNW DWTN SPEARFISH SD LAWRENCE 0800 AM 8.00 LEAD SD LAWRENCE 0755 AM 8.00 4 NE ROCKERVILLE SD PENNINGTON 0743 AM 8.00 2 SW ROCKERVILLE SD PENNINGTON 0741 AM 8.00 2 W DWTN SPEARFISH SD LAWRENCE 0729 AM 7.50 7 NNE ELLSWORTH AFB SD MEADE 1156 AM 7.50 DWTN SPEARFISH SD LAWRENCE 0900 AM 7.50 4 NE DWTN RAPID CITY SD PENNINGTON 0700 AM 7.50 2 SW DWTN RAPID CITY SD PENNINGTON 0542 AM 7.00 5 NE MILESVILLE SD HAAKON 0102 PM 7.00 LEAD SD LAWRENCE 0900 AM 7.00 DWTN SPEARFISH SD LAWRENCE 0900 AM 7.00 2 NW DWTN RAPID CITY SD PENNINGTON 0800 AM 7.00 2 W CUSTER SD CUSTER 0730 AM 7.00 7 SW RAPID CITY ARPT SD PENNINGTON 0628 AM 7.00 4 S DWTN RAPID CITY SD PENNINGTON 0600 AM 6.90 5 SW DWTN RAPID CITY SD PENNINGTON 0800 AM 6.50 13 SSW NEWCASTLE WY WESTON 0800 AM 6.30 ARGYLE SD CUSTER 1248 PM 6.00 6 NNW KIRLEY SD HAAKON 0127 PM 6.00 8 W KIRLEY SD HAAKON 0103 PM 6.00 1 S PHILIP SD HAAKON 0102 PM 6.00 7 E CREIGHTON SD PENNINGTON 1257 PM 6.00 7 SE MUD BUTTE SD MEADE 1250 PM 6.00 14 SSE ROZET WY CAMPBELL 1101 AM 6.00 3 S DWTN RAPID CITY SD PENNINGTON 0833 AM 6.00 10 ENE DWTN GILLETTE WY CAMPBELL 0800 AM 6.00 5 SSW DWTN GILLETTE WY CAMPBELL 0800 AM 6.00 DWTN GILLETTE WY CAMPBELL 0642 AM 5.70 1 SSE BELLE FOURCHE SD BUTTE 0800 AM 5.60 11 NE WESTON WY CAMPBELL 0800 AM 5.50 3 NE WHITEWOOD SD LAWRENCE 1241 PM 5.50 1 NE DWTN GILLETTE WY CAMPBELL 0800 AM 5.50 5 E PIEDMONT SD MEADE 0800 AM 5.50 CUSTER SD CUSTER 0744 AM 5.30 8 SE MUD BUTTE SD MEADE 0900 AM 5.00 8 S SAVAGETON WY CAMPBELL 1050 AM 5.00 1 W NEWCASTLE WY WESTON 0900 AM 5.00 1 ESE NEWCASTLE WY WESTON 0900 AM 5.00 2 NE BOX ELDER SD PENNINGTON 0900 AM 5.00 1 SW HERMOSA SD CUSTER 0853 AM 5.00 9 SE NEWELL SD BUTTE 0805 AM 5.00 7 NNW DWTN SPEARFISH SD LAWRENCE 0800 AM 5.00 4 E NEWCASTLE WY WESTON 0700 AM 4.50 WALL SD PENNINGTON 1255 PM 4.50 19 SE WRIGHT WY CAMPBELL 1057 AM 4.50 9 WSW RED ELM SD ZIEBACH 0830 AM 4.50 4 NNW WHITEWOOD SD LAWRENCE 0630 AM 4.00 1 WNW HOOVER SD BUTTE 0107 PM 4.00 9 SSE DWTN GILLETTE WY CAMPBELL 1059 AM 4.00 WRIGHT WY CAMPBELL 1041 AM 4.00 4 SSE WASTA SD PENNINGTON 0900 AM 4.00 ORAL SD FALL RIVER 0700 AM 4.00 OPAL SD MEADE 0700 AM 4.00 SUNDANCE WY CROOK 0700 AM 3.50 14 SSW RED SHIRT SD OGLALA LAKOTA 0115 PM 3.50 CAMP CROOK SD HARDING 0109 PM 3.50 HERMOSA SD CUSTER 0700 AM 3.00 1 E WRIGHT WY CAMPBELL 1044 AM 3.00 9 SSE SORUM SD PERKINS 0800 AM 3.00 4 W HOT SPRINGS SD FALL RIVER 0800 AM 3.00 EDGEMONT SD FALL RIVER 0700 AM 2.50 1 W NEWCASTLE WY WESTON 0800 AM 2.50 HOT SPRINGS SD FALL RIVER 0800 AM 2.00 EDGEMONT SD FALL RIVER 0800 AM 2.00 8 NNW USTA SD PERKINS 0800 AM 2.00 3 E KYLE SD OGLALA LAKOTA 0700 AM 1.50 1 W ALLEN SD BENNETT 0136 PM 1.50 14 SSW RED SHIRT SD OGLALA LAKOTA 0134 PM 1.40 5 SW LODGEPOLE SD PERKINS 0750 AM 1.00 OELRICHS SD FALL RIVER 0140 PM 1.00 3 WNW KADOKA SD JACKSON 0630 AM Sustained wind reports listed by speed (mph) SPEED LOCATION ST COUNTY TIME ------ ----------------------- -- -------------- ------- 41.00 15 SSE MISSION SD TODD 1256 AM 40.00 1 WSW RED ELM SD ZIEBACH 1004 AM Wind gust reports listed by speed (mph) SPEED LOCATION ST COUNTY TIME ------ ----------------------- -- -------------- ------- 53.00 RAPID CITY ARPT SD PENNINGTON 0422 AM 51.00 15 SSE MISSION SD TODD 0101 AM 50.00 2 SW BRIDGER SD ZIEBACH 1045 PM
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