310 Fire

Garfield County, Colorado · Wildfire

No longer active Official numbers updated Aug 19, 2026 (21 days ago)

First reported about 5 weeks ago

Metric	Last report	Now	Change
Size	601 acres Aug 10, 6:00 PM	603 acres Sep 9, 10:00 AM +2 acres was 601 acres · Aug 10, 6:00 PM	+2 acres in 30 days
Containment	96% Aug 19, 6:00 PM	100% Sep 9, 10:00 AM +4 percent was 96% · Aug 19, 6:00 PM	+4 percent in 21 days
Crew size	23 Aug 19, 6:00 PM	11 Sep 9, 10:00 AM −12 was 23 · Aug 19, 6:00 PM	−12 in 21 days
Money spent	$2.8M Aug 17, 6:00 PM	$2.8M Sep 9, 10:00 AM +$10,000 was $2.8M · Aug 17, 6:00 PM	+$10,000 in 23 days

310 Fire summary

The 310 Fire is a wildfire near Garfield County, Colorado. It has burned about 603 acres (about 457 football fields). Crews have it fully contained, with a line all the way around it. It was first reported about 5 weeks ago. About 11 people are on it, run by a Type 5 IC.

Size: 603 acres
Containment: 100%
Discovered: August 6, 2026 (first reported about 5 weeks ago)
Cause: Not reported

The size and containment above are current as of Wednesday, September 2nd at 7:00 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.

Tonight

57°F · Slight Chance Showers And Thunderstorms then Partly Cloudy

Wind 5 to 10 mph SE · 21% chance of rain

Wind: Breezy Heat: Cool Some rain

Thursday

76°F · Sunny

Wind 5 to 15 mph SSW · 1% chance of rain

Wind: Breezy Heat: Warm Dry

Thursday Night

58°F · Mostly Clear

Wind 5 to 10 mph SE · 1% chance of rain

Wind: Breezy Heat: Cool Dry

Friday

77°F · Sunny

Wind 5 to 15 mph S · 1% chance of rain

Wind: Breezy Heat: Warm Dry

Friday Night

59°F · Mostly Clear

Wind 5 to 10 mph SSE · 0% chance of rain

Wind: Breezy Heat: Cool Dry

Forecast from the National Weather Service (weather.gov), pulled Wednesday, September 2nd at 7:02 p.m. CDT.

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Who's on it

About 11 people are assigned to this fire, run by a Type 5 IC. The government rates it a Type 5 Incident. About $3 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:

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

Nearby fires to 310 Fire

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

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