Heavy Rain, Lemhi
- When
- June 29, 3:20 PM MST
- Where
- Lemhi County, 14 mi W of Shoup
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.943, -113.933 (the zone’s center; the record gives no point)
Landslides reported near Panther and Cove Creeks on the main river road in northern Lemhi County due to heavy rain from a thunderstorm. People were left stranded because the road was impassable.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MSO wrote it up.
Landslides reported near Panther and Cove Creeks on the main river road in northern Lemhi County due to heavy rain from a thunderstorm. People were left stranded because the road was impassable. Heavy rain from a thunderstorm caused a mudslide and flooding over Highway 95 north of Riggins, ID, with many culverts reported flooded.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Missoula, MT wrote its last area forecast discussion before the first event at Jun 29, 1:21 PM MST, 1 hour 59 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 221 PM MDT TUE JUN 29 2004 .SHORT TERM...TONIGHT THROUGH WEDNESDAY NIGHT...THE UPPER LEVEL PATTERN CONTINUES. SOUTHWEST FLOW WILL CONTINUE TO ADVECT MOIST MONSOONAL AIR INTO THE NORTHERN ROCKIES. WEAK DISTURBANCE WILL PUSH THROUGH THE PATTERN WITH THE BEST POTENTIAL FOR SHOWERS AND THUNDERSTORMS FALLING IN THE AFTERNOON AND EVENING WHEN THE ATMOSPHERE DESTABILIZES. ANY STORMS THAT DO DEVELOP DURING THIS TIME HAVE THE POTENTIAL TO BE HEAVY RAINERS AS THE ATMOSPHERE IS VERY MOIST WITH WEAK STEERING WINDS...THUS WILL TO MONITOR THE 2003 SEVERELY BURNED AREAS FOR FLASH FLOODING ESPECIALLY CLOSE THIS EVENING AND WEDNESDAY AFTERNOON AND EVENING. ALSO CAN NOT RULE OUT NOCTURNAL SHOWER AND THUNDERSTORM ACTIVITY DURING THE NIGHTTIME HOURS...AS THE MODELS CONTINUE TO STRUGGLE WITH THE LOCATION AND TIMING OF WEAK EMBEDDED FEATURES THAT COULD TRIGGER SUCH STORMS. TEMPERATURES WILL REMAIN ON THE WARM SIDE UNDER THIS FLOW PATTERN .LONG TERM...WEDNESDAY THROUGH MONDAY...THE RIDGE REMAINS IN PLACE THROUGH FRIDAY...WILL HOLD ON TO SLIGHT CHANCE TO LOW CHANCE POPS FOR SHOWERS/TSTMS FROM THE DAY TIME HEATING. BY THE WEEKEND MODELS ARE MOVING AN UPPER LEVEL TROUGH INTO THE PACIFIC NORTHWEST... WILL CONTINUE THE TREND FROM THE EARLIER SHIFT AND KEEP CHANCE POPS MOST AREAS WITH SLIGHTLY COOLER TEMPERATURES. ON MONDAY THE TROUGH MOVES OFF TO THE EAST WITH DRIER AND COOLER CONDITIONS. && .MSO WATCHES/WARNINGS/ADVISORIES... MT...NONE. ID...NONE. && SHORT TERM/GILCHRIST LONG TERM/KOLATA
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 1127 AM MDT (1027 AM PDT) TUE JUN 29 2004 MTZ002-004>006-043-300407- WEST GLACIER REGION-LOWER CLARK FORK REGION- MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS- BLACKFOOT REGION- 1127 AM MDT TUE JUN 29 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MONTANA .DAY ONE... TODAY SLOW MOVING AFTERNOON AND EVENING THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAINFALL. FLASH FLOODING IS POSSIBLE IN AND NEAR THE 2003 BURN AREAS. .DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE THROUGH MONDAY. SOME LOCALLY HEAVY RAINFALL MAY ACCOMPANY THESE STORMS. CONTINUE TO BE AWARE OF POSSIBLE FLASH FLOODING IN AND NEAR THE 2003 BURN AREAS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ005>008-300407- NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER- 1027 AM PDT TUE JUN 29 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL IDAHO .DAY ONE... TODAY SLOW MOVING AFTERNOON AND EVENING THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAINFALL. LOCAL PONDING OF WATER AND RISING STREAMS WHERE THUNDERSTORMS DEVELOP ARE POSSIBLE THIS AFTERNOON AND EVENING. THERE ALSO IS A SLIGHT RISK OF STORMS WITH LARGE HAIL. .DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE THROUGH MONDAY. SOME LOCALLY HEAVY RAINFALL MAY ACCOMPANY THESE STORMS. THERE WILL CONTINUE TO BE THE RISK OF LOCAL FLOODING AND HAIL WITH THUNDERSTORMS DURING THE AFTERNOON AND EVENING HOURS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2004Every state in 2004This day in weather historyWarnings in Idaho, June 2004
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5404258, 5404257.