NWS warns of critical fire weather, strong winds across Los Alamos County

Strong west to southwest winds, low humidity, warm temperatures and very dry fuels were combining to raise the wildfire threat across Los Alamos County and northeast New Mexico, where the National Weather Service warned that fire could spread rapidly. The most dangerous stretch was centered on Monday and Tuesday, with only a brief break forecast Wednesday before windy conditions returned.

The weather pattern did not offer much relief. National Weather Service forecasters said showers and thunderstorms were expected to return Friday through Saturday, especially across central and eastern New Mexico, while a Pacific system was expected to bring chances for wetting precipitation to the northern and western mountains Monday night into Tuesday. Even with that moisture, strong winds were forecast to return Sunday and peak Monday and Tuesday, keeping the region in a critical fire weather setup.

For Los Alamos County, that forecast hit a community already shaped by wildfire risk. The county’s 2022 Community Wildfire Protection Plan says the greatest danger is concentrated in the wildland-urban interface, where homes and forest meet, and it uses a science-based hazard-and-risk model to target the highest-risk areas. County wildfire preparedness guidance says that if the community status moves to Set in Ready, Set, Go!, residents should prepare for possible evacuation and stay alert to fire weather conditions.

Los Alamos National Laboratory has also built wildfire mitigation into its daily operations. LANL says it carries out year-round fuel removal, fire breaks, evacuation planning and safe storage of materials. The lab says it maintains 68 radiological air-sampling locations and uses continuous air monitoring as part of its safety posture.

The county has seen what spring fire danger can turn into. In 2022, the Cerro Pelado Fire burned 45,000 acres of forest and threatened the county border, prompting coordination among federal, state, regional and local partners, daily press releases, community briefings and evacuations from Sombrillo and Aspen Ridge. Los Alamos County marked the 25th anniversary of the Cerro Grande Fire in May 2025, another reminder that wildfire remains one of the community’s defining public-safety risks.