Expires:202506010300;Remove:202506010300;973656 WWUS75 KMSO 311317 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 717 AM MDT Sat May 31 2025 IDZ010-MTZ001-003>005-010300- /O.CON.KMSO.HT.Y.0001.250531T1800Z-250601T0300Z/ Eastern Lemhi County-Kootenai/Cabinet Region-Flathead/Mission Valleys-Lower Clark Fork Region-Missoula/Bitterroot Valleys- 717 AM MDT Sat May 31 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * WHAT...Moderate risk of heat effects expected. * WHERE...In Idaho, Eastern Lemhi County. In Montana, Flathead/Mission Valleys, Kootenai/Cabinet Region, Lower Clark Fork Region, and Missoula/Bitterroot Valleys. * WHEN...From noon today to 9 PM MDT this evening. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...Early-season high temperatures expected to reach 90 to 98 degrees. Be mindful that rivers and streams continue to flow cold, high, and fast with murky waters potentially obscuring underwater hazards. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$