43°37'N / 116°56'O / Altitude 681 m / 14:33 31/07/2026, America/Boise (UTC-6)
De: 01/08/2026, 15:00
Para: 01/08/2026, 21:00
...DRY COLD FRONTAL PASSAGE SATURDAY... Critical fire weather conditions as a dry cold front moves through the region. Winds begin to rise Saturday afternoon, although mostly remain 15 to 20 mph with 25 to 30 mph gusts. At the same time, minimum RHs across the area are well below 20%, down to 10% in the high desert. Winds increase overnight as RHs begin to rise out. Winds 20 to 25 mph with gusts up to 45 mph are possible from Baker County through the Lower Treasure Valley overnight Saturday. These strong winds occur as RHs rise out of critical dryness, however active fire behavior may be observed even past the Red Flag Warnings due to the winds. The National Weather Service in Boise has issued a Red Flag Warning for winds and low relative humidities, which is in effect from 3 PM MDT /2 PM PDT/ to 9 PM MDT /8 PM PDT/ Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Idaho, Fire Weather Zone 423 Owyhee Mountains. In Oregon, Fire Weather Zones 670 Burns BLM, 671 Steens Mountain and 672 Southern Grasslands. * TIMING...From 3 PM MDT /2 PM PDT/ to 9 PM MDT /8 PM PDT/ Saturday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 15 percent. * TEMPERATURES...89 to 99 degrees. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
Owyhee,Owyhee Mountains
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.
NWS Boise ID
31/07/2026, 12:39
De: 31/07/2026, 12:02
Para: 03/08/2026, 15:00
* WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT THIS AFTERNOON. * IMPACTS...Members of sensitive groups may experience health effects. The general public is not likely to be affected.
OwyheeAir pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.
THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's
Boise Regional Office at (208) 373-0550
Twin Falls Regional Office at (208) 736-2190NWS Boise ID31/07/2026, 12:06De: 31/07/2026, 12:38
Para: 03/08/2026, 15:00
* WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Ada, Adams, Canyon, Gem, Owyhee, Payette, and Washington Counties. * WHEN...UNTIL 2 PM MDT MONDAY. * IMPACTS...Members of sensitive groups may experience health effects. The general public is not likely to be affected.
OwyheeAir pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.
THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's
Boise Regional Office at (208) 373-0550
Twin Falls Regional Office at (208) 736-2190NWS Boise ID31/07/2026, 12:40