Flash flooding occurred in the town of Victor and in parts of Blaine County on June 10th due to heavy rains from thunderstorms.
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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 PIH wrote it up.
Flash flooding occurred in the town of Victor and in parts of Blaine County on June 10th due to heavy rains from thunderstorms.
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 Pocatello, ID wrote its last area forecast discussion before the first event at Jun 10, 2:06 AM MST, 5 hours 54 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 306 AM MDT WED JUN 10 2015 .SHORT TERM...TODAY AND THURSDAY. WE ARE STILL ON TAP FOR A WET AND STORMY DAY ACROSS EASTERN IDAHO. LINGERING SHOWERS AND STORMS REMAIN OVER THE CENTRAL MOUNTAINS EARLY THIS MORNING. WITH MOISTURE STILL ON THE INCREASE...THE THREAT FOR HEAVY RAINFALL AND POTENTIAL FLOODING IS A LITTLE MORE WIDESPREAD TODAY. THE FORECAST WILL BE COMPLEX THOUGH. THE HIGHEST CHANCES WILL BE IN THE CENTRAL MOUNTAINS AND UPPER SNAKE HIGHLANDS FOR MOST OF TODAY...AND THE HIGHEST LIKELIHOOD OF HEAVY RAINFALL. OTHER AREAS WILL SEE A LOWER CHANCE OF STORMS BUT THAT DOESN'T MEAN THOSE AREAS WON'T SEE HIGHER RAINFALL AMOUNTS. IT MAY TAKE A LITTLE MORE FOR THAT TO HAPPEN THOUGH...SUCH AS STATIONARY OR MULTIPLE STORMS MOVING OVER A PARTICULAR LOCATION. THE OVERALL THEME THROUGH THIS EVENING NEEDS TO BE THIS...BE MINDFUL THAT STORMS MAY DEVELOP OVER YOUR AREA AND THE THREAT OF HEAVY RAINFALL IS THERE EVEN IF YOUR CHANCE OF RAIN IS 20 PERCENT VS 60 PERCENT. WE SHOULD SEE SOME SMALL HAIL AND EVEN A SMALL SHOT AT GUSTY WINDS WITH STRONGER STORMS. AS THE LOW SLOWLY MOVES TO OUR EAST IN THE NEXT 36 HOURS...THE MAIN FOCUS FOR SHOWERS AND STORMS WILL SHIFT FAIRLY QUICKLY TOWARD THE SOUTHERN AND EASTERN HIGHLANDS. THERE MAY BE SOME SHOWERS/STORMS REDEVELOP OVER PORTIONS OF THE CENTRAL MOUNTAINS TOMORROW BUT THE CHANCE IS SMALL. TEMPERATURES WILL BE A FEW DEGREES COOLER BUT STILL AT OR JUST ABOVE AVERAGE FOR EARLY JUNE. KEYES .LONG TERM...THURSDAY NIGHT THROUGH NEXT WEDNESDAY. AS WE ROUND OUT THE WEEK...OUR FLOW BECOMES WESTERLY AGAIN AS LOW PRESSURE DEVELOPS OVER SOUTHERN CANADA AND SETTLES SOUTHWARD A BIT. WE SHOULD BE MOSTLY DRY ON FRIDAY...EXCEPT FOR SOME SHOWERS/STORMS REDEVELOPING FROM MACKAY TO ISLAND PARK AND SOUTH FROM THERE CLOSER TO THE WYOMING BORDER. IT WILL BE A BIT MORE BREEZY WITH HIGHS IN THE 80S FOR THE VALLEYS AND 60S/70S FOR THE HIGH COUNTRY. THE MODELS HAVE SOME DIFFERENT IDEAS ON HOW TO HANDLE SOME OF THE FINER FORECAST POINTS FOR THE WEEKEND AND NEXT WEEK. THEY BOTH DO SHOW SOME SEMBLANCE OF WEST OR SOUTHWEST FLOW NEXT WITH THE OCCASIONAL UPTICK IN DEVELOPING SHOWERS AND STORMS. IT IS JUST A MATTER OF TIMING THE INDIVIDUAL STORMS EMBEDDED IN THE PATTERN AND HOW FAR NORTH OR SOUTH THE MOVE ACROSS THE WESTERN US AND CANADA. WE WILL LIKELY BE A BIT COOLER AS THE PATTERN IS MORE FROM THE PACIFIC BUT STILL PRETTY CLOSE TO EARLY-MID JUNE AVERAGES. KEYES && .AVIATION...A WEAK COLD FRONT WILL MOVE THROUGH THE AREA TODAY. THIS WILL PRODUCE A FEW THUNDERSTORMS WHICH COULD AFFECT TAF SITES THIS AFTERNOON. OTHERWISE WINDS WILL REMAIN RELATIVELY LIGHT EXCEPT NEAR STORMS AND CONDITIONS WILL REMAIN VFR. VALLE && .FIRE WEATHER...A COLD FRONT WILL MOVE THROUGH THE AREA TODAY. THIS WILL PRODUCE A GOOD CHANCE FOR SHOWERS AND THUNDERSTORMS TODAY. MOST OF THE AREA WILL EXPERIENCE DRY WEATHER THURSDAY AND FRIDAY. SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE ON THURSDAY ACROSS EXTREME SOUTHEAST IDAHO AS LOW PRESSURE MOVES THROUGH UTAH. VALLE && .PIH WATCHES/WARNINGS/ADVISORIES... NONE. &&
The Pocatello radar (KSFX), 146 km away, was scanning. The volume nearest the first event began at 15:02 UTC.
2 flash flood. Local standard time, as filed.
By the morning of June 10th the Big Wood River was running across Colorado Gulch Road making it impassable. Colorado Gulch Rd. was closed on the East end at the vehicle gate.
Heavy rains from a thunderstorm caused several inches of water to collect on roads and residential areas in the town of Victor. No damage reports were received.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2015Every state in 2015This day in weather historyWarnings in Idaho, June 2015
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: 588556, 588558.