540 WGUS55 KBOI 181749 FFWBOI IDC039-182000- /O.NEW.KBOI.FF.W.0011.260918T1749Z-260918T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Boise ID 1149 AM MDT Fri Sep 18 2026 The National Weather Service in Boise has issued a * Flash Flood Warning for... The MM115 HWY 20 burn scar in... Central Elmore County in southwestern Idaho... * Until 200 PM MDT. * At 1149 AM MDT, Doppler radar indicated thunderstorms producing heavy rain over the MM115 HWY 20 Burn Scar. The expected rainfall rate is 0.25 to 0.75 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Flash flooding caused by thunderstorms in and around the MM115 HWY 20 Burn Scar. SOURCE...Radar indicated. IMPACT...Flooding of areas in and around the MM115 HWY 20 Burn Scar. * Some locations that will experience flash flooding include... Mainly rural areas of Central Elmore County. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the MM115 HWY 20 Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. && LAT...LON 4327 11541 4328 11541 4328 11544 4331 11544 4331 11540 4330 11540 4330 11539 4329 11539 4329 11538 4328 11538 4328 11533 4327 11533 4327 11534 4326 11536 4326 11538 4327 11538 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...0.25-0.75 INCHES IN 1 HOUR $$ JDS  359 WGUS55 KPIH 181750 FFWPIH IDC013-182015- /O.EXT.KPIH.FF.W.0012.000000T0000Z-260918T2015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Pocatello ID 1150 AM MDT Fri Sep 18 2026 The National Weather Service in Pocatello has extended the * Flash Flood Warning for... The Ohio burn scar in... Northwestern Blaine County in central Idaho... * Until 215 PM MDT. * At 1150 AM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Ohio Burn Scar. Between 0.5 and 1 inch of rain has already fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through the Ohio burn scar. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Ohio Burn Scar. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Ohio Burn Scar. * Some locations that will experience flash flooding include... Mainly rural areas of Northwestern Blaine County. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Ohio Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. && LAT...LON 4357 11433 4358 11432 4359 11433 4359 11432 4360 11430 4361 11426 4360 11425 4359 11426 4356 11430 4356 11433 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR $$ TAX