Active Weather Alerts
Red Flag Warning
Issued: 7:19 PM Jul. 17, 2025 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONE 427... * AFFECTED AREA...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 Friday. Lightning may generate new fire starts. Any new fire starts or existing fires may spread rapidly. * THUNDERSTORMS...25 to 35 percent coverage expected. * OUTFLOW WINDS...A dry low level environment will promote the potential for storms to produce gusty outflow wind gusts in excess of 40 mph, locally higher up to around 50 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. &&
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