040
NWUS55 KBOI 042358
LSRBOI
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE ID
558 PM MDT FRI SEP 4 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0252 PM DEBRIS FLOW 21 E DEADWOOD RESERVOIR 44.27N 115.22W
09/04/2026 BOISE ID DEPT OF HIGHWAYS
HIGHWAY 21 REDUCED TO 1 LANE NEAR BANNER
SUMMIT DUE TO DEBRIS FLOW CLEANUP.
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