Idaho, 1987

Tornado and Damaging Winds in Idaho, July 21, 1987

July 21, 1987 · NWS BOI · 3 events in 3 counties and zones

2 thunderstorm wind, 1 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$25,000
Crop damage
None recorded
Events
3

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.

Event by event

2 thunderstorm wind, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Bingham

When
July 21, 6:00 PM CST
Where
Bingham County
Coordinates
43.080, -112.700

Thunderstorm Wind, Shoshone

When
July 21, 6:55 PM CST
Where
Shoshone County
Coordinates
47.250, -115.620

Tornado, Lincoln

When
July 21, 8:45 PM CST
Where
Lincoln County
Rating
F1
Path length
0.2 mi
Path width
10 yd
Property damage
$25,000
Coordinates
43.120, -114.170

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Idaho in 1987Every state in 1987This day in weather historyThe tornado archive for Idaho, 1987Warnings in Idaho, July 1987

Sources

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: 10010764, 10010765, 10010766.