Heavy Rain, Idaho
- When
- July 4, 7:20 PM MST
- Where
- Idaho County, 1 mi S of Riggins
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.844, -115.467 (the zone’s center; the record gives no point)
Heavy Rain in Idaho, July 4, 2001
Heavy rain caused rock and mud slide to temporarily close highway 95 south of Riggins. 50 inches rainfall in one-half hour.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What happened
The episode as NWS MSO wrote it up.
Heavy rain caused rock and mud slide to temporarily close highway 95 south of Riggins. Spotter reported 0.50 inches rainfall in one-half hour.
What forecasters said that day
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 Jul 4, 7:00 PM MST, 20 minutes earlier.
Area forecast discussion, Jul 4, 7:00 PM MST, 20 minutes before
WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 800 PM MDT WED JUL 4 2001 .SHORT TERM...WILL UPDATE ZONES TO CLEAN UP THE EVENING WORDING IN SOME OF THE ZONES...ALSO WILL INCREASE POPS IN ID 5>8. SUBTROPICAL MOISTURE MOVING INTO THE CWA FROM THE SOUTHWEST WITH THUNDERSTORMS DEVELOPING IN THE IDAHO PANHANDLE. EXPECT THE MOISTURE TO CONTINUE TO MOVE INTO THE CWA OVER NIGHT SPREADING SHOWERS AcND THUNDERSTORMS ACROSS THE AREA. KOLATA .MSO...NONE.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 heavy rain. Local standard time, as filed.
What these are
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat and Drought in Oklahoma, July 4 to 31, 2001
- Hail in Nebraska, July 4, 2001
- High Surf in Puerto Rico, July 4, 2001
- Damaging Wind in Utah, July 4, 2001
- Heat in Illinois, July 4, 2001
- Damaging Wind and Lightning Strike in South Carolina, July 4, 2001
- Tornado in Kentucky, July 4, 2001
- Hail and Damaging Winds in New York, July 4, 2001
- Flash Flood and Damaging Winds in Virginia, July 4, 2001
- Hail in Nebraska, July 4, 2001
- Flash Flood and Hail in Kentucky, July 4, 2001
- Lightning Strike in Florida, July 4, 2001
More
Every storm in Idaho in 2001Every state in 2001This day in weather historyWarnings in Idaho, July 2001
Sources
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: 5257182.