1 tornado, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
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 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 Apr 28, 8:50 AM MST, 5 hours 40 minutes earlier.
SOUTHEAST IDAHO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID 950 AM MDT MON APR 28 2003 AIRMASS RAPIDLY DESTABILIZING BEHIND A WARM FRONT AS IT LIFTS NORTH THROUGH THE CWA. THE WARM FRONT IS ACCOMPANIED BY SCATTERED SHOWERS THROUGHOUT THE AREA EXCEPT IN THE CENTRAL MTNS. A COUPLE OF THUNDERSTORMS ALREADY DEVELOPED OR ARE DEVELOPING NEAR PIH AND SWAN VALLEY THIS MORNING. SLC 12Z SOUNDING CONFIRMS UNSTABLE AIR MOVING UP FROM NRN UTAH AND 12Z MESOETA MODEL SOUNDINGS SHOWING LI OF -4 AND CAPE NEAR 1000 THIS AFT. THIS COULD RESULT IN A FEW STORMS PRODUCING STRONG GUSTY WINDS. UPDATED WEATHER WORDING IN THE ZONES EARLIER PRIMARILY TO REMOVE AFTERNOON REFERENCE OF THUNDERSTORMS IN THE SNAKE PLANE AND HIGHLAND ZONES. WAW .KSFX...OPERATIONAL...VCP 21. .PIH...NONE.
IDZ017>023-031-032-290000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID 500 AM MDT MON APR 28 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO .DAY ONE... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The Pocatello radar (KSFX), 97 km away, was scanning. The volume nearest the first event began at 21:31 UTC.
1 tornado. Local standard time, as filed.
Tornado occurred in open fields near the city of Rupert. No damage occurred.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2003Every state in 2003This day in weather historyThe tornado archive for Idaho, 2003Warnings in Idaho, April 2003
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: 5351632.