Coldwater Fire

Cassia County, Idaho · Wildfire

No longer active Official numbers updated Aug 31, 2026 (8 days ago)

First reported 11 days ago

Metric	Last report	Now	Change
Size	1,900 acres Aug 30, 8:00 PM	1,539 acres Sep 7, 11:00 PM −361 acres was 1,900 acres · Aug 30, 8:00 PM	−361 acres in 8 days
Containment	85% Aug 30, 6:00 PM	100% Sep 7, 11:00 PM +15 percent was 85% · Aug 30, 6:00 PM	+15 percent in 8 days
Crew size	80 Aug 30, 6:00 PM	74 Sep 7, 11:00 PM −6 was 80 · Aug 30, 6:00 PM	−6 in 8 days
Money spent	$550,000 Aug 30, 6:00 PM	$1.0M Sep 7, 11:00 PM +$450,000 was $550,000 · Aug 30, 6:00 PM	+$450,000 in 8 days

Coldwater Fire summary

The Coldwater Fire is a wildfire near Cassia County, Idaho. It has burned about 1,539 acres (about 1,000 football fields). Crews have it fully contained, with a line all the way around it. It was first reported 11 days ago. About 74 people are on it, run by a Type 3 IC.

Size: 1,539 acres
Containment: 100%
Discovered: August 28, 2026 (first reported 11 days ago)
Cause: Not reported

The size and containment above are current as of Sunday, August 30th at 10:00 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

50°F · Mostly Clear

Wind 6 mph SSE · 0% chance of rain

Wind: Calm Heat: Cool Dry

Monday

84°F · Sunny

Wind 3 to 7 mph SSW · 4% chance of rain

Wind: Calm Heat: Warm Dry

Monday Night

58°F · Chance Showers And Thunderstorms then Mostly Cloudy

Wind 9 to 20 mph SSE · 35% chance of rain

Wind: Windy Heat: Cool Some rain

Tuesday

81°F · Mostly Sunny

Wind 18 mph SSE · 5% chance of rain

Wind: Breezy Heat: Warm Dry

Tuesday Night

57°F · Mostly Clear

Wind 15 to 18 mph SSE · 14% chance of rain

Wind: Breezy Heat: Cool Dry

Forecast from the National Weather Service (weather.gov), pulled Sunday, August 30th at 10:02 p.m. CDT.

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Who's on it

About 74 people are assigned to this fire, run by a Type 3 IC. About $1 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 Coldwater Fire

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

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