


Red Flag Warning
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
509 WWUS85 KPIH 302027 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 227 PM MDT Wed Jul 30 2025 ...RED FLAG WARNING IN EFFECT ON THURSDAY FROM 2 PM MDT TO MIDNIGHT FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR IDAHO FIRE WEATHER ZONES 422 AND 427... IDZ422-427-311200- /O.NEW.KPIH.FW.W.0010.250731T2000Z-250801T0600Z/ Sawtooth Range/Northern Sawtooth NF- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 227 PM MDT Wed Jul 30 2025 ...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO MIDNIGHT MDT THURSDAY NIGHT FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 422 AND 427... The National Weather Service in Pocatello has issued a Red Flag Warning for scattered thunderstorms, which is in effect from 2 PM Thursday to midnight MDT Thursday night. * AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * IMPACTS...Critical fire weather conditions are expected Thursday afternoon and evening. Lightning may generate new fire starts. Any new fire starts or existing fires may spread rapidly. * THUNDERSTORMS...25 to 40 percent coverage expected. * OUTFLOW WINDS...A dry low level environment will promote for storms to produce gusty outflow wind gusts in excess of 40 mph, locally higher to 55 mph. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$