Winter Storm, Big and Little Wood River Region
- When
- January 24, 2:00 PM MST to January 25, 8:00 AM MST
- Where
- Big and Little Wood River Region forecast zone
- Reported by
- TRAINED SPOTTER
A slow moving winter storm brought significant snowfall to the mountains and valleys of southeastern Idaho. 6 to 7 inches were reported overnight on the 24th in Arco, Grouse, Craters of the Moon, and Hailey.
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.
A slow moving winter storm brought significant snowfall to the mountains and valleys of southeastern Idaho. 6 to 7 inches were reported overnight on the 24th in Arco, Grouse, Craters of the Moon, and Hailey. Through the day on the 25th, 8 inches fell in Juniper with 14 inches at the Pomerelle ski resort. Snow amounts on the 25th ranged from 4 to as high as 6 inches in the cities of Pocatello and Blackfoot in the Lower Snake River Plain.
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 Jan 24, 9:45 AM MST, 4 hours 15 minutes earlier.
SOUTHEAST IDAHO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID 945 AM MST WED JAN 24 2001 IR SAT IMAGERY THIS MORNING SHOWING GOOD NORTHEAST PUSH OF HIGH LEVEL MOISTURE/CLOUD BAND INTO CWFA. KSFX WSR-88D ALSO SHOWING SOME WEAK /LOCALIZED/ ENHANCEMENT THIS MORNING JUST NORTH OF KJER. THIS BAND STRETCHING OUT A BIT AS EPAC LOW SPLITS WITH MOST OF THE PROGRESSIVE ENERGY SLIDING WELL SOUTH OF THE REGION. HOWEVER...MODELS STILL HINT AT A LITTLE BIT OF S/WV ENERGY PUSHING NORTHEAST ACROSS FCST AREA OVERNIGHT TONIGHT AS 7H OPEN WAVE SLIDES JUST SOUTH OF IDAHO. WITH UNSTABLE AIR MASS /7-5H LAPSE RATES IN THE 6.5-8.5 C/KM RANGE/...WILL HAVE TO GIVE SERIOUS CONSIDERATION TO SNOW AMOUNTS AND POSSIBLE STATEMENTS. IN THE MEANTIME...WILL UPDATE FORECAST TO REMOVE MORNING WORDING AND ADJUST FOR TREND SINCE PATCHY FOG DISSIPATING RAPIDLY IN FACE OF ONCOMING CLOUD COVER. DMH BYI 35 20 31 165 .KSFX...OPERATIONAL...VCP 32. .PIH...NONE. PIH EJ 031/019 031/018 030 12055
5 winter storm. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2001Every state in 2001This day in weather historyWarnings in Idaho, January 2001
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: 5229201, 5229202, 5229204, 5229205, 5229203.