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The Boulder Fire was started by lightning on the evening of July 24, 2024, approximately 1 mile to the southeast of Tripod Lookout. Fire crews responded immediately. Steep terrain, difficult access and unfavorable weather conditions encouraged fire spread. The Boise National Forest continued to manage the fire until a Complex Incident Management Team was requested.
Rocky Mountain Team 2 assumed command of the Boulder Fire at 6am on Aug 23, 2024 and will manage the Snag Fire, Dollar and Goat. All of these fires, along with a number of others were started by lightning.
Evacuations have been ordered, and road closures are in effect. Review the READY, SET, GO evacuation procedure for Valley County: https://www.co.valley.id.us/ReadySetGo
Find evacuation and road closure information here: https://inciweb.wildfire.gov/incident-publication/idbof-boulder-fire/west-mountain-fires-closures-current-evacuation-information-fire-restrictions-tfr-important-links-09-02-2024
Please avoid the fire area so that fire suppression efforts are not impacted. https://www.fs.usda.gov/managing-land/fire/uas/if-you-fly
The Boise National Forest, Idaho Department of Lands, and Bureau of Land Management are in Stage 1 fire restrictions on state, endowment, private and federal lands within the West Central Mountains Fire Restrictions Zone. For more information, visit the Idaho fires Restrictions website at: https://www.idl.idaho.gov/fire-management/fire-restrictions-finder/
| Current as of | Tue, 09/03/2024 - 12:44 |
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| Incident Time Zone | America/Boise |
| Incident Type | Wildfire |
| Cause | Lightning/Natural |
| Date of Origin | |
| Location | 9 Miles Southwest of Cascade, Idaho. |
| Incident Commander | Jared Hohn IC Rocky Mountain CIMT2 Jay Mickey Deputy IC Rodney Redinger IC(T) |
| Coordinates |
44° 22' 40'' Latitude
-116° 06' 43
'' Longitude
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| Total Personnel: | 353 |
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| Size | 2,868 Acres |
| Percent of Perimeter Contained | 36% |
| Estimated Containment Date | 9/15/2024 |
| Fuels Involved | Timber (Litter and Understory) Fuel models are TUS and SH2 |
| Significant Events | Extreme Crowning Wind Driven Runs Short-range Spotting Storms with strong outflow winds are forecasted, which could result in extreme fire behavior. Terrain and wind driven runs are probable, which will most likely impact the north and east sides of the fire. Fire activity will likely moderate for a day or two before the return of a drying period. |
| Planned Actions |
Fire has escaped containment lines on the north side of the fire. Actions will be focused on re-establishing control features to prevent continued fire spread towards structures on the west side of Cascade Lake. |
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| Projected Incident Activity |
12 hours: Active fire behavior is expected, extreme behavior is possible with forecasted outflow winds. Expect backing, flanking, group torching, and small isolated runs when terrain and winds are aligned. Crown runs and spotting up to a mile could result from outflow winds. Fire activity is likely to increase in Hurdy Creek and Olson Creek areas. Activity may decrease towards late 24 hours: Moderate fire behavior; backing, group torching and small isolated runs where terrain and winds align are likely. 48 hours: Moderate fire behavior, backing, group torching and small isolated runs are possible where terrain and wind align. 72 hours: A drying trend returns to the area, bringing the potential for increased fire behavior especially when moderate to strong winds are forecasted. Anticipated after 72 hours: Moderate fire behavior: Backing, group torching and small isolated runs where terrain and wind align are likely. |
| Remarks |
This incident in being prioritized with three other incidents (Dollar, Goat and Snag). Fire growth of 475 acres, to include escaping containment lines as a result of extreme fire behavior, has led to a reduction in containment percentage from that listed in the prior reporting period. |
| Weather Concerns | Today (Monday): RED FLAG WARNING FROM 0900 TO 2400 TODAY. Several rounds of thunderstorms with dry lightning and strong outflows will move through the area. Despite continued storms overnight, only localized wetting rains are expected for the fire areas. Very dry surface conditions remain, despite clouds moderating temperature and humidity slightly. Winds will be southwest with a few gusts to 25mph, becoming dominated by outflows to 50 mph around storms. Tomorrow (Tuesday): The storm system departs to the east with cooler weather and higher humidity. Some lingering moisture will develop thunderstorms over the higher terrain, tapering off by the evening. Winds will be northwesterly at the ridges with a few gusts to 20mph. Clearing skies overnight will result in optimized cooling, improving overnight humidity recovery into Wednesday. Wednesday through Friday: High pressure takes hold of the region with a warming and drying trend for the remainder of the week. Temperatures will warm each day with decreasing afternoon humidity. Additionally, overnight recoveries will begin to diminish as a thermal belt develops nightly. Light winds will be mostly terrain induced. With weak transport winds, smoke dispersal will become poor with reduced visibility, air quality and solar heating. |
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