Periods of heavy rain led to mudslides on county roads in Lewis County causing $70,000 in damage.
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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 OTX wrote it up.
Periods of heavy rain led to mudslides on county roads in Lewis County causing $70,000 in damage.
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 Spokane, WA wrote its last area forecast discussion before the first event at Jun 1, 9:32 PM PST, 2 hours 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPOKANE WA 1032 PM PDT TUE JUN 1 2010 .SYNOPSIS... THE NEXT STRONG PACIFIC STORM WILL BRING WIDESPREAD RAIN ON WEDNESDAY...FOLLOWED BY A DRIER BREAK PERIOD ON THURSDAY...WITH YET ANOTHER STRONG AND WET STORM SYSTEM ON FRIDAY. TEMPERATURES WILL REMAIN SIGNIFICANTLY BELOW NORMAL THROUGH SATURDAY. A WARM UP TO NEAR NORMAL TEMPERATURES WILL BEGIN SUNDAY. AFTER FRIDAY...WHILE NO FURTHER STRONG STORMS ARE EXPECTED...MINOR DISTURBANCES WILL BRING A CHANCE OF HIT-AND-MISS SHOWERS THROUGH THE MIDDLE OF NEXT WEEK. && .DISCUSSION... AN IMPRESSIVE FEED OF SUBTROPICAL MOISTURE WILL BRING A WIDESPREAD RAIN TO THE INLAND NORTHWEST ON WEDNESDAY. AMSU PRECIPITABLE WATER IMAGERY SHOWS THIS PLUME EXTENDING ALL THE WAY BACK TO THE PHILIPPINES AND IS AIMED TOWARDS THE PACIFIC NW. 00Z MODELS SHOW NO BIG CHANGES WITH RAIN EXPECTED TO CROSS THE CASCADES LATE THIS EVENING AND MOVE INTO CENTRAL WASHINGTON OVERNIGHT...AND THEN INTO EASTERN WA/N IDAHO WEDNESDAY MORNING. THE RAIN IS EXPECTED TO PERSIST ALL DAY AS THE PRECIPITABLE WATER FEED REMAINS DIRECTED AT THE AREA...UNTIL THE COLD FRONT PASSES THROUGH WEDNESDAY EVENING WHICH WILL THEN BRING DRYING FROM WEST TO EAST AS DOWNSLOPE FLOW OCCURS OFF THE CASCADES. MAIN CONCERN WILL BE RAINFALL AMOUNTS. CURRENTLY THE MOYIE RIVER AT EASTPORT AND THE STEHEKIN RIVER AT STEHEKIN ARE 1 FOOT FROM ACTION STAGE. LATEST 00Z RUNS OF THE GFS AND NAM SUGGEST ANYWHERE FROM 1-1.5 INCHES OF RAIN FALLING IN THE MOUNTAINS WITH .5-1.0 INCHES IN THE VALLEYS. THIS MAY BE ENOUGH TO PUT THESE RIVERS ABOVE ACTION STAGE. CURRENTLY THE STEHEKIN RIVER AT STEHEKIN IS FCST TO JUST PASS ACTION STAGE. MINOR FORECAST CHANGES WERE MADE TO TEMPERATURES AND POPS TONIGHT. LOWERED POPS SLIGHTLY OVER THE NORTH IDAHO PANHANDLE TONIGHT AS THE MAJORITY OF MODEL GUIDANCE HOLDS OFF PRECIP TIL 12-15Z. ALSO INCREASED LOW TEMPERATURES OVER MOST OF CENTRAL AND EASTERN WASHINGTON AS CLOUD COVER WILL KEEP TEMPERATURES MILD TONIGHT. JW && .AVIATION... A VERY MOIST SYSTEM WILL SPREAD RA ALONG WITH LOWERING CIGS/VSBYS OVER ALL THE TAF SITES THROUGH 06Z THURSDAY. CIGS WILL LOWER TO MVFR AT MOST LOCATIONS WITH OCCASIONAL IFR CIGS POSSIBLE AT KGEG/KCOE/KPUW. MODERATE RAIN WILL ALSO REDUCE VISIBILITIES TO 3-5SM AT TIMES. JW && .PRELIMINARY POINT TEMPS/POPS... SPOKANE 50 55 50 62 50 62 / 40 100 100 30 50 90 COEUR D'ALENE 50 53 51 62 49 61 / 30 100 100 50 50 100 PULLMAN 51 56 48 62 48 61 / 30 100 100 30 70 80 LEWISTON 55 63 53 68 55 69 / 30 90 90 40 70 80 COLVILLE 49 55 48 66 44 63 / 60 100 100 50 40 100 SANDPOINT 46 54 50 61 44 59 / 30 100 100 60 40 100 KELLOGG 46 52 50 59 46 56 / 40 100 100 60 70 100 MOSES LAKE 55 60 47 69 49 70 / 60 90 60 10 50 50 WENATCHEE 53 60 46 68 50 68 / 70 100 60 10 70 70 OMAK 54 58 43 66 45 67 / 80 100 70 10 40 90 && .OTX WATCHES/WARNINGS/ADVISORIES... ID...NONE. WA...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 132 PM PDT TUE JUN 1 2010 IDZ001>004-026-027-WAZ031>038-041>044-022045- NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE- MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE AREA- EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-WATERVILLE PLATEAU- 132 PM PDT TUE JUN 1 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO... NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL WASHINGTON...NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED SHOWERS ARE EXPECTED THIS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY MODERATE TO HEAVY RAIN IS EXPECTED ON WEDNESDAY AND THEN AGAIN ON FRIDAY. RAINFALL ON TOP OF THE REMAINING HIGH ELEVATION SNOW PACK WILL MAKE RIVERS AND SMALL STREAMS TO RISE. AT THIS TIME ALL MAIN RIVERS ARE EXPECTED TO REMAIN WELL WITHIN THEIR BANKS...BUT SMALLER STREAMS COULD REACH BANKFULL LATER THIS WEEK. IN ADDITION...SATURATED GROUND ON STEEP AND SPARSELY VEGETATED SLOPES COULD GIVE WAY AND PRODUCE LOCAL MUD SLIDES DURING HEAVY RAIN PERIODS ON WEDNESDAY AND FRIDAY.
The national radar mosaic for the moment the first event began.
4 heavy rain. Local standard time, as filed.
Road damage from heavy rain was observed on Dunlap, Airport, Powerline, Fisher, and Laufer roads.
Road damage from heavy rain was observed on Roberts, Sandhill, Wilsey, Tiede, Woodlawn, and Mission Creek roads.
Road damage from heavy rain was observed on Johnson and Synder roads.
Road damage from heavy rain was observed on Drake, Gibler, Hull, Ida, Lawyer, McLead, Miller, and Z West roads.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2010Every state in 2010This day in weather historyWarnings in Idaho, June 2010
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: 242406, 242408, 242411, 242413.