South Fork Humbug Fire

Lewis and Clark County, Montana · Wildfire

Active Official numbers updated Aug 27, 2026 (about 3 hours ago)

First reported today

Metric	Last report	Now	Change
Size	0 acres Aug 27, 11:00 AM	0 acres Aug 27, 11:00 AM	—
Containment	—	—	—
Crew size	—	—	—
Money spent	—	—	—

South Fork Humbug Fire summary

The South Fork Humbug Fire is a wildfire near Lewis and Clark County, Montana. It has burned about under 1 acre. It's a brand-new fire, first reported today. We're also tracking 5 other active fires within about 75 miles.

Size: under 1 acre
Containment: Not yet reported
Discovered: August 27, 2026 (first reported today)
Cause: Not reported

The size and containment above are current as of Thursday, August 27th at 11:00 a.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

83°F · Slight Chance Showers And Thunderstorms

Wind 1 to 7 mph SW · 37% chance of rain

Wind: Calm Heat: Warm Some rain

Tonight

49°F · Chance Showers And Thunderstorms then Patchy Smoke

Wind 2 to 6 mph S · 25% chance of rain

Wind: Calm Heat: Cool Some rain

Friday

77°F · Cloudy

Wind 1 to 8 mph WSW · 2% chance of rain

Wind: Calm Heat: Warm Dry

Friday Night

51°F · Mostly Cloudy

Wind 1 to 7 mph WSW · 9% chance of rain

Wind: Calm Heat: Cool Dry

Saturday

70°F · Showers And Thunderstorms Likely

Wind 1 to 7 mph SW · 67% chance of rain

Wind: Calm Heat: Cool Rain likely

Forecast from the National Weather Service (weather.gov), pulled Thursday, August 27th at 11:07 a.m. CDT.

Who's on it

This fire is small enough that no crew size or team has been posted yet. That's normal for a fire this size — those numbers show up once a fire is big enough to need a formal report.

Where to get live updates

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

→ Watch Duty: real-time fire reporting and evacuations.
→ InciWeb: the government's official fire information site.

Nearby fires to South Fork Humbug Fire

Within about 75 miles we're tracking 5 other active fires, closest first:

See all active fires in Montana →

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