Red Flag Warning: Upper Snake River Valley/Idaho Falls BLM; Sawtooth Range/Northern Sawtooth NF; Middle Snake River Valley/Twin Falls BLM north of the Snake River; Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River; East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF

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Red Flag Warning — Upper Snake River Valley/Idaho Falls BLM; Sawtooth Range/Northern Sawtooth NF; Middle Snake River Valley/Twin Falls BLM north of the Snake River; Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River; East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF Severity: Severe. Certainty: Likely. ...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED ON SATURDAY DUE TO SCATTERED THUNDERSTORM ACTIVITY ACROSS MUCH OF EASTERN IDAHO... The National Weather Service in Pocatello has issued a Red Flag Warning for scattered thunderstorms, which is in effect from noon to 9 PM MDT Saturday. * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM, Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF, Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River, Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * IMPACTS...Frequent lightning will increase risk of new fire starts. * THUNDERSTORMS...Scattered coverage with frequent lightning. * OUTFLOW WINDS...Gusty and erratic winds to 60 mph.