Idaho, 1998

Flash Flooding in Idaho, June 10 to 11, 1998

June 10 to 11, 1998 · NWS BOI · 3 events in 2 counties and zones

2 flash flood, 1 funnel cloud, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
None recorded
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.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 flash flood, 1 funnel cloud. Local standard time, as filed.

Funnel Cloud, Twin Falls

When
June 10, 11:13 AM MST to 11:15 AM MST
Where
Twin Falls County, 15 mi SE of (Twf)twin Falls Arpt
Reported by
PARK/FOREST SERVICE
Coordinates
42.356, -114.667 (the zone’s center; the record gives no point)

Air Traffic Controllers at the Twin Falls Airport sighted a funnel cloud southeast of the airport.

Flash Flood, Boise

When
June 10, 8:15 PM MST
Where
Boise County, 5 mi S of Horseshoe Bend
Reported by
LAW ENFORCEMENT
Coordinates
43.989, -115.730 (the zone’s center; the record gives no point)

A heavy downpour along Highway 55 just south of Horseshoe Bend caused a hillside to let go and cover a portion of the highway with dirt, mud and debris.

Flash Flood, Boise

When
June 11, 5:42 PM MST
Where
Boise County, 5 mi W of Horseshoe Bend
Reported by
DEPT OF HIGHWAYS
Coordinates
43.989, -115.730 (the zone’s center; the record gives no point)

A flash flood covered Highway 52 with up to 3 feet of water near the Boise/Gem County line.

What these are

Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in Idaho in 1998Every state in 1998This day in weather historyWarnings in Idaho, June 1998

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: 5653965, 5653966, 5653967.