Montana, 1998

Wildfire in Montana, August 17 to 18, 1998

August 17 to 18, 1998 · NWS BYZ · 2 events in 1 county or zone

Dry lightning set off two wildfires in Sweet Grass County. One near Bridger Creek southeast of Greycliff burned 320 acres.

Where it happened

Every event with a place to put it; 2 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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 BYZ wrote it up.

Dry lightning set off two wildfires in Sweet Grass County. One near Bridger Creek southeast of Greycliff burned 320 acres. The other burned 80 acres near Dear Creek southwest of Greycliff.

The radar

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

Open the radar archive at this moment

Event by event

2 wildfire. Local standard time, as filed.

Wildfire, Sweet Grass

When
August 17, 7:00 PM MST to August 18, 5:00 PM MST
Where
Sweet Grass County, 4 mi SE of Greycliff
Reported by
NEWSPAPER
Coordinates
45.814, -109.941 (the zone’s center; the record gives no point)

Wildfire, Sweet Grass

When
August 17, 7:00 PM MST to August 18, 5:00 PM MST
Where
Sweet Grass County, 6 mi SW of Greycliff
Reported by
NEWSPAPER
Coordinates
45.814, -109.941 (the zone’s center; the record gives no point)

What these are

Wildfire
A fire burning in wildland vegetation, with its acreage and damage where known.

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

The same day elsewhere

More

Every storm in Montana in 1998Every state in 1998This day in weather historyWarnings in Montana, August 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: 5661036, 5661037.