Flash Flooding and Heavy Rain in Idaho, May 26 to 27, 1998

Name: Flash Flooding and Heavy Rain in Idaho, May 26 to 27, 1998
Start: 1998-05-26T18:00
End: 1998-05-27T06:00
Location: Idaho

May 26 to 27, 1998 · NWS OTX · 3 events in 2 counties and zones

2 flash flood, 1 heavy rain, 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: $610,000
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.

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 heavy rain. Local standard time, as filed.

Heavy Rain, Boundary

When: May 26, 6:00 PM PST to May 27, 6:00 AM PST
Where: Boundary County, Moyie Spgs
Property damage: $10,000
Coordinates: 48.767, -116.463 (the zone’s center; the record gives no point)

3 inches of rain overnight

Flash Flood, Boundary

When: May 26, 6:00 PM PST to May 27, 6:00 AM PST
Where: Boundary County, Bonners Ferry
Property damage: $500,000
Coordinates: 48.767, -116.463 (the zone’s center; the record gives no point)

Mudslides from heavy rain.

Flash Flood, Bonner

When: May 26, 6:00 PM PST to May 27, 6:00 AM PST
Where: Bonner County, Sandpoint
Property damage: $100,000
Coordinates: 48.300, -116.601 (the zone’s center; the record gives no point)

significant street flooding

What these are

Heavy Rain: Rainfall totals unusual for the place and season that did not produce a flood.
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

Every storm in Idaho in 1998 Every state in 1998 This day in weather history Warnings in Idaho, May 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: 5643326, 5643327, 5643328.