No longer in the daily fire updates. The Sarpy Fire last appeared in an official report on August 21, 2026, at 897 acres and 80% contained. Fires drop off this list once crews have them contained or out; we keep the page for reference. See fires burning now →

Sarpy Fire

Big Horn County, Montana · Wildfire

No longer active Official numbers updated Aug 21, 2026 (about 2 months ago)
First reported about 8 weeks ago
Metric Now
Size
897 acres
Oct 12, 9:00 PM
−3 acres
was 900 acres · Aug 18, 3:00 PM
Containment
80%
Oct 12, 9:00 PM
+80 percent
was 0% · Aug 19, 10:01 AM
Crew size
9
Oct 12, 9:00 PM
−7
was 16 · Aug 21, 6:00 PM
Money spent
$175,000
Oct 12, 9:00 PM
+$25,000
was $150,000 · Aug 20, 3:00 PM

Sarpy Fire and other nearby fires

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

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Sarpy Fire summary

The Sarpy Fire is a wildfire near Big Horn County, Montana. It has burned about 897 acres (about 680 football fields). Crews have boxed in 80% of its edge; the other 20% isn't contained yet. It was first reported about 8 weeks ago. About 9 people are on it, run by a Type 4 IC.

Size
897 acres
Containment
80%
Discovered
August 17, 2026 (first reported about 8 weeks ago)
Cause
Not reported

The size and containment above are current as of Friday, August 28th at 1:00 p.m. CDT.

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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 a specific fire will do.

Day Night
Today
88°F · Chance Rain Showers
Wind 2 to 8 mph W · 30% rain
Wind: Calm Heat: Warm Some rain
60°F · Chance Rain Showers then Mostly Cloudy
Wind 2 to 7 mph SW · 27% rain
Wind: Calm Heat: Cool Some rain
Saturday
83°F · Mostly Cloudy then Chance Showers And Thunderstorms
Wind 3 to 7 mph WSW · 44% rain
Wind: Calm Heat: Warm Some rain
55°F · Slight Chance Showers And Thunderstorms then Partly Cloudy
Wind 3 to 7 mph NE · 21% rain
Wind: Calm Heat: Cool Some rain
Sunday
79°F · Showers And Thunderstorms Likely
Wind 3 to 13 mph WSW · 62% rain
Wind: Breezy Heat: Warm Rain likely
—

Forecast from the National Weather Service (weather.gov), pulled Friday, August 28th at 1:03 p.m. CDT.

Who's on it

About 9 people are assigned to this fire, run by a Type 4 IC. About $175,000 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 Sarpy Fire

No other active fires are near this one right now. It's on its own.

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