NWS Boise IDFW.W 0023September 17, 2026
Red Flag Warning: Northern Boise National Forest, Southern Boise/Western Sawtooth NF, including the Camas Prairie, Burns BLM and 3 more, ID and OR
The National Weather Service office in Boise issued a red flag warning for Northern Boise National Forest, Southern Boise/Western Sawtooth NF, including the Camas Prairie, Burns BLM and 3 more in Idaho, Oregon, which was in force until 9:00 p.m. local time on September 17. It was the 23rd red flag warning the NWS office in Boise issued in 2026. Idaho had 6 red flag warnings in September 2026, against 6 in an average September of 2008-2025 (Idaho's red flag warnings by year).
ExpiredWarning
In force for 9 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Boise ID
- Area
- Northern Boise National Forest, Southern Boise/Western Sawtooth NF, including the Camas Prairie, Burns BLM and 3 more
- State
- Idaho
- Level
- Warning
- Issued
- 4:31 a.m. MDT, September 17, 2026
- In force from
- 12:00 p.m. MDT, September 17, 2026
- Expires
- 9:00 p.m. MDT, September 17, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KBOI FW.W 0023
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
...SCATTERED THUNDERSTORMS WITH GUSTY WINDS AND LITTLE RAINFALL... A strong low pressure system will bring scattered thunderstorms this afternoon with minimal rainfall and outflow wind gusts up to 50 mph. The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from noon MDT /11 AM PDT/ today to 9 PM MDT /8 PM PDT/ this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Idaho, Fire Weather Zones 403 Northern Boise National Forest, 421 Southern Boise/Western Sawtooth NF and including the Camas Prairie. In Oregon, Fire Weather Zones 670 Burns BLM, 671 Steens Mountain, 674 Northwestern Vale BLM and 675 Baker Valley. * TIMING...From noon MDT /11 AM PDT/ today to 9 PM MDT /8 PM PDT/ this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 50 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
What the agency told people to do
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.