(1 of 4) * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * IMPACTS...Scattered thunderstorms will develop during the afternoon and evening on Saturday. Besides gusty and erratic winds near thunderstorms, frequent lightning can increase wildfire starts. * THUNDERSTORMS...25 to 50 percent coverage expected. * OUTFLOW WINDS...40 to 60 MPH possible. (2 of 4) * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM. * IMPACTS...Scattered thunderstorms will develop during the afternoon and evening on Saturday. Besides gusty and erratic winds near thunderstorms, frequent lightning can increase wildfire starts. * THUNDERSTORMS...25 to 50 percent coverage expected. * OUTFLOW WINDS...40 to 60 MPH possible. (3 of 4) * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF, Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * IMPACTS...Scattered thunderstorms will develop during the afternoon and evening. Besides gusty and erratic winds near thunderstorms, frequent lightning can increase wildfire starts. * THUNDERSTORMS...25 to 50 percent coverage expected. * OUTFLOW WINDS...40 to 60 MPH possible. (4 of 4) * AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF. * IMPACTS...Scattered thunderstorms will develop during the morning and continue through the evening. Besides gusty and erratic winds near thunderstorms, frequent lightning can increase wildfire starts. * THUNDERSTORMS...25 to 50 percent coverage expected. * OUTFLOW WINDS...40 to 60 MPH possible.