Air Quality Alert issued July 27 at 12:38PM MDT by NWS Boise ID
Issue date: 2026-07-27T18:45+00:00
* WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Very Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 3 PM MDT FRIDAY. * IMPACTS...Health warnings of emergency conditions. The entire population is more likely to be affected.
Red Flag Warning issued July 27 at 12:34AM MDT until July 27 at 9:00PM MDT by NWS Pocatello ID
Issue date: 2026-07-27T06:34+00:00
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476... * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. Locally high gusts are possible due to virga. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Wind and low humidity can lead to rapid spread of fire and more intense fire in receptive fuels.
