Tractor trailers sliding off interstate 86 and 15 between 8 and 9 am closed both interstates for brief periods.
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.
Tractor trailers sliding off interstate 86 and 15 between 8 and 9 am closed both interstates for brief periods.
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 Dec 6, 3:51 AM MST, 3 hours 9 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 351 AM MST MON DEC 6 2010 .SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT. FOG IS STARTING TO DIMINISH ACROSS THE AREA AS THE NEXT SYSTEM APPROACHES FROM THE SW. THUS...THE DENSE FOG ADVISORY HAS BEEN CANCELED. EXPECT SOME RESIDUAL PATCHY FOG EARLY THIS MORNING BEFORE DIMINISHING BY MID MORNING. A WEAK UPPER LEVEL LOW WILL MOVE THROUGH THE AREA FROM THE SW BRINGING WIDESPREAD SNOW SHOWERS ACROSS THE AREA. EXPECT SNOW BY MID MORNING BRINGING 1 TO 2 INCHES ACROSS THE CENTRAL MOUNTAINS AND 1 TO 3 INCHES TO THE SOUTHERN HIGHLANDS AND LOWER SNAKE RIVER PLAIN. UPSLOPE AREAS OF THE EASTERN MAGIC VALLEY AND UPPER SNAKE RIVER PLAIN WILL RECEIVE 2 TO 4 INCHES OF SNOW. THE WASATCH MOUNTAINS WILL RECEIVE THE MOST SNOW WITH 4 TO 7 INCHES POSSIBLE IN HIGHER ELEVATIONS. LOOK FOR HIGH PRESSURE RIDGING TO BUILD IN ON TUESDAY WITH DRIER/WARMER WEATHER. LOOK FOR STRONG ZONAL FLOW TO SET UP BRINGING BREEZY CONDITIONS AND SEVERAL MINOR TROFS MOVING THROUGH THE MOIST ZONAL FLOW. THE FIRST MINOR TROUGH WILL MOVE THROUGH ON WEDNESDAY BRING SEVERAL INCHES OF SNOW ACROSS UPSLOPE AREAS IN THE CENTRAL MOUNTAINS... UPPER SNAKE HIGHLANDS AND EASTERN HIGHLANDS. EXPECT MOSTLY A RAIN/SNOW MIX BECOMING MOSTLY RAIN IN LOWER ELEVATIONS. WYATT .LONG TERM...THURSDAY THROUGH MONDAY. STILL LOOKING AT STRONG ZONAL FLOW THRU FRIDAY. PAC MSTR IN THE FLOW WILL IMPACT MAINLY THE MTNS WITH SNOW. PRECIP BECOMES MORE WIDESPREAD ON FRI AS A MINOR TROF MOVES THRU THE FCST AREA AHEAD OF A BUILDING RIDGE OVER THE EASTERN PACIFIC. THE RIDGE PUSHES INTO THE WRN US ON SAT...WHICH WILL SHIFT MOST OF THE PRECIP TO THE NORTH. THE RIDGE FLATTENS ON MONDAY... MAKING WAY FOR A RETURN TO ZONAL FLOW. HEDGES && .AVIATION...PATCHY DENSE FOG AROUND KPIH APPEARS TO BE DIMINISHING EARLY THIS MORNING AS A NEW WEATHER SYSTEM APPROACHES FROM THE SW. SNOW WILL SPREAD NE ACROSS THE FCST AREA THIS MORNING...AND CONTINUE INTO THE EVE HOURS. RAIN MAY MIX WITH SNOW THIS AFTN AT KBYI AND KPIH. OCNL IFR CIGS/VIS ARE POSSIBLE FROM LATE MORNING UNTIL LATE EVENING. HEDGES && .PIH WATCHES/WARNINGS/ADVISORIES... NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 538 AM MST MON DEC 6 2010 IDZ017>025-031-032-071245- EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS- UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN- SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS- CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION- BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI- 538 AM MST MON DEC 6 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT LOOK FOR RESIDUAL PATCHY FOG ACROSS THE SNAKE RIVER PLAIN AND LOW LYING AREAS ACROSS THE SOUTHEAST HIGHLANDS EARLY THIS MORNING. LOOK FOR THE FOG TO DIMINISH QUICKLY BY MID MORNING. A STORM SYSTEM WILL BE ARRIVING LATER THIS MORNING BRINGING WIDESPREAD SNOW SHOWERS OF 1 TO 4 INCHES ACROSS MOST THE AREA. THE WASATCH MOUNTAINS WILL RECEIVE 4 TO 6 INCHES OF SNOW. LOOK FOR PATCHY FOG AGAIN ACROSS LOW LYING AREAS LATER TONIGHT INTO TOMORROW MORNING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WEDNESDAY EXPECT ANOTHER ROUND OF SNOW SHOWERS. A RAIN/SNOW MIX WILL BE POSSIBLE IN THE VALLEYS. SIGNIFICANT SNOWFALL MAY BE POSSIBLE IN HIGHER ELEVATIONS ACROSS THE WESTERN CENTRAL MOUNTAINS AND UPPER SNAKE HIGHLANDS. EXPECT BREEZY CONDITIONS AND INTERMITTENT SNOW SHOWERS MAINLY OVER HIGHER TERRAIN THURSDAY THROUGH SUNDAY. .SPOTTER INFORMATION STATEMENT... WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL... EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR 208-233-0834.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 634 AM MST MON DEC 6 2010 IDZ017-020-031-070145- EASTERN MAGIC VALLEY-UPPER SNAKE RIVER PLAIN- BIG AND LITTLE WOOD RIVER REGION- INCLUDING THE CITIES OF...BURLEY...RUPERT...SHOSHONE...CAREY... IDAHO FALLS...REXBURG...RIGBY...HAILEY...KETCHUM...SUN VALLEY... BELLEVUE 634 AM MST MON DEC 6 2010 ...SNOWFALL OF 2 TO 4 INCHES FOR CRATERS OF MOON...CAREY AND SHOSHONE... AN UPPER LEVEL LOW ARRIVING IN SW FLOW WILL BRING 2 TO 4 INCHES OF SNOW ACROSS THESE UPSLOPE PRONE AREAS UNTIL LATE AFTERNOON. ADDITIONALLY...NE WINDS 15 TO 20 MPH WITH HIGHER GUSTS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. PLEASE USE CAUTION IF DRIVING TODAY IN THESE AREAS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 651 AM MST MON DEC 6 2010 IDZ025-062200- WASATCH MOUNTAINS/IDAHO PORTION- INCLUDING THE CITIES OF...MONTPELIER...GEORGETOWN...PARIS 651 AM MST MON DEC 6 2010 AN UPPER LEVEL LOW ARRIVING IN SW FLOW WILL BRING 2 TO 3 INCHES OF SNOW ACROSS THE VALLEY FLOORS LATE THIS MORNING THROUGH EARLY TUESDAY MORNING. FOR THOSE PLANNING OUTDOOR ACTIVITIES ABOVE 6000 FT LOOK FOR 4 TO 6 INCHES OF SNOW.
1 ice storm. Local standard time, as filed.
Tractor trailers sliding off interstate 86 and 15 between 8 and 9 am from ice covered roads from freezing rain closed both interstates for brief periods.
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, December 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: 275337.