Montana, 2006

Flash Flood in Montana, June 15, 2006

June 15, 2006 · NWS MSO · 1 event in 1 county or zone

Heavy rainfall from thunderstorms washed out part of a road on the West side of Hungry Horse Reservoir.

Where it happened

Every event with a place to put it; 1 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
1

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.

What happened

The episode as NWS MSO wrote it up.

Heavy rainfall from thunderstorms washed out part of a road on the West side of Hungry Horse Reservoir.

What forecasters said that day

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 Missoula, MT wrote its last area forecast discussion before the first event at Jun 15, 8:27 PM MST, 1 hour 33 minutes earlier.

Area forecast discussion, Jun 15, 8:27 PM MST, 1 hour 33 minutes before
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Hazardous weather outlook, Jun 15, 5:31 PM MST, 4 hours 29 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The radar

The Missoula radar (KMSX), 140 km away, was scanning. The volume nearest the first event began at 04:58 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Flathead

When
June 15, 10:00 PM MST to 10:30 PM MST
Where
Flathead County, 5 mi SE of Hungry Horse
Reported by
NEWSPAPER
Coordinates
48.295, -114.050 (the zone’s center; the record gives no point)

What these are

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 Montana in 2006Every state in 2006This day in weather historyWarnings in Montana, June 2006

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 2026-10-01. Each event’s entry at NCEI: 5512072.