US Forest Service — Beaverhead-Deerlodge National Forest
Fire Growth Potential
Fire Weather Forecast
Incident Overview Updated: 1 day, 5 hours ago
On 31JUL21, the Dillon Interagency Dispatch received a report of a possible fire start near Haystack Mtn, to the east of I-15 between the communities of Butte and Basin. Beaverhead-Deerlodge National Forest Fire Crews responded with bucket drops from two T1 helicopters immediately after the report, and the Haystack Fire is currently assessed at approximately 1,202 acres per an infrared flight on 08SEP21, and the fire is traveling brokenly across timber scattered amongst this rocky terrain in a generally north, north-eastward direction. Agency Administrators and Fire Leadership are actively monitoring and assessing this fire with the assistance of air assets and point protection as well as structure protection measures have been put in place in advance of the fire's predicted path. The Haystack Fire is located in an area with large boulders, steep slopes, a large number of snags and difficult terrain. The safety of our Firefighters and the assessment by Fire Leadership and our pilots that we cannot safely insert nor extract our personnel from this location. This, in combination with fire behavior modeling and predictions for several scenarios, have been utilized to develop Management Action Points surrounding the fire. There are currently no structures threatened nor values at risk. This fire will be producing smoke that is highly visible from Interstate-15 on and off, and signage between the communities of Butte and Basin on the interstate is in place to alert travelers of the fire.
Date of Origin:
Saturday, July 31, 2021 8:30 PM MDT
Fire crews were engaged on prep and containment work on FS Rd 5130. An engine is staged in Elk Park and a crew on the heel of the fire our of caution for community residences should the fire change direction of spread.
Supplies and resources are being staged for an anticipated fire weather event on Friday and into Saturday.
Projected Incident Activity:
12 hours: Fire is likely to increase in activity as Red Flag weather conditions continue to be forecasted.
RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 9 PM MDT SATURDAY...
* Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead).
* Impacts: The combination of gusty winds and low humidity will result in critical fire weather conditions. An exceptional fire weather event is taking shape Saturday. Strong and potentially damaging winds are expected. Use extra caution with potential ignition sources, especially in grassy areas.
* Winds: Southwest to west winds gusting between 30 to 40 mph on Friday increasing to 50 to 60 mph on Saturday.