One product issued by NWS for: 6 Miles N Castleford ID
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE National Weather Service Boise ID 759 AM MDT Sat Aug 15 2026 ...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THROUGH THIS EVENING... Scattered thunderstorms are expected to develop early this afternoon across most districts. These will be a mix of wet and dry thunderstorms especially across the BLM districts. Heavy rain, small hail and outflow winds up to 45 mph will be possible with the strongest storms. IDZ400-420-423-424-426-160300- /O.EXB.KBOI.FW.W.0018.260815T1800Z-260816T0300Z/ Northern Boise BLM-Treasure Valley BLM-Owyhee Mountains- Western Twin Falls BLM-Southern Highlands- 759 AM MDT Sat Aug 15 2026 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR LIGHTNING FOR NORTHERN BOISE BLM...TREASURE VALLEY BLM...OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM AND SOUTHERN HIGHLANDS...WHICH ARE FIRE WEATHER ZONES 400...420...423... 424 AND 426... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from noon today to 9 PM MDT this evening. * AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern Boise BLM, 420 Treasure Valley BLM, 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands. * TIMING...From noon today to 9 PM MDT this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 45 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly. && $$ L