North Fork Lost Horse Fire

Ravalli County, Montana · Wildfire

Active Official numbers updated Aug 16, 2026 (about 18 hours ago)
First reported about 3 weeks ago
Metric Now
Size
118 acres
Aug 17, 12:01 PM
+1 acres
was 117 acres · Aug 3, 8:00 PM
Containment
60%
Aug 17, 12:01 PM
+10 percent
was 50% · Aug 12, 6:00 PM
Crew size
95
Aug 17, 12:01 PM
+9
was 86 · Aug 15, 5:01 PM
Money spent
$4.2M
Aug 17, 12:01 PM
+$157,498
was $4.1M · Aug 17, 11:00 AM

North Fork Lost Horse Fire and other nearby fires

🔥 Where this fire started Mostly contained Partly contained Containment not reported

Drag or zoom the map to see more fires in the area.

North Fork Lost Horse Fire summary

The North Fork Lost Horse Fire is a wildfire near Ravalli County, Montana. It has burned about 118 acres (about 89 football fields). Crews have boxed in 60% of its edge; the other 40% isn't contained yet. It was first reported about 3 weeks ago. About 95 people are on it, run by a Type 3 IC. We're also tracking 8 other active fires within about 75 miles.

Size
118 acres
Containment
60%
Discovered
July 25, 2026 (first reported about 3 weeks ago)
Cause
Not reported

The size and containment above are current as of Monday, August 17th at 12:01 p.m. CDT.

Weather & fire-spread conditions

No Red Flag Warning. The National Weather Service hasn't flagged this area for dangerous fire-spread conditions right now.

Hot, dry, and windy weather can help a fire grow; cool, calm, or wet weather helps crews. The tags below rate each day for fire spread — green is calm, red can push a fire.

A general fire-weather guide (wind matters most, then how dry it is, then heat), not a prediction of what this fire will do.

Today

80°F · Partly Sunny

Wind 3 to 7 mph NNW · 13% chance of rain

Wind: Calm Heat: Warm Dry

Tonight

57°F · Mostly Cloudy then Slight Chance Light Rain

Wind 2 to 6 mph SSE · 23% chance of rain

Wind: Calm Heat: Cool Some rain

Tuesday

80°F · Mostly Sunny then Slight Chance Showers And Thunderstorms

Wind 7 mph WSW · 20% chance of rain

Wind: Calm Heat: Warm Some rain

Tuesday Night

54°F · Partly Cloudy

Wind 6 mph SSW · 6% chance of rain

Wind: Calm Heat: Cool Dry

Wednesday

81°F · Sunny

Wind 6 mph WSW · 0% chance of rain

Wind: Calm Heat: Warm Dry

Forecast from the National Weather Service (weather.gov), pulled Monday, August 17th at 12:04 p.m. CDT.

Who's on it

About 95 people are assigned to this fire, run by a Type 3 IC. The government rates it a Type 3 Incident. About $4 million has been spent on it so far.

The official feed reports the total headcount, not a breakdown by crew type.

Where to get live updates

We show the daily official picture. For minute-by-minute updates, evacuation orders, and maps, these do it best:

Nearby fires to North Fork Lost Horse Fire

Within about 75 miles we're tracking 8 other active fires, closest first:

See all active fires in Montana →

Fighting fire is a job you can get

You can get paid to do this.

Wildland firefighting is an entry-level job. You start with no experience and no college degree, and one season pays more than most summer internships.

Most crews hire in fall and winter for the next summer, when more jobs open up.

Montana has 2 of these jobs open right now.

Drop your email. Get the free guide.

Inside: the pay breakdown, a resume template, a training plan for the fitness (pack) test, and the hiring timeline.

100% free. No spam. Unsubscribe anytime.

If you know a college-age kid who'd love this, grab the free guide and send it their way.