BOISE, Idaho (CBS2) — The National Weather Service in Boise issued a Red Flag Warning for gusty winds and low relative humidity, effective from 1 to 9 p.m. MDT on Friday.

The affected areas are Fire Weather Zones 420 Treasure Valley BLM and 424 Western Twin Falls BLM.

Southwest winds are expected to be 10 to 20 mph with gusts up to 40 mph. Relative humidity will be as low as 10 percent with temperatures up to 86.

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