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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