


Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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760 WWUS75 KMSO 111842 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 1142 AM PDT Fri Jul 11 2025 IDZ007-008-121845- /O.NEW.KMSO.HT.Y.0005.250712T1900Z-250715T0300Z/ Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region- 1142 AM PDT Fri Jul 11 2025 ...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 8 PM PDT MONDAY... * WHAT...Major risk of heat effects expected. High temperatures will range from 100 to 108 degrees. Sunday will be the hottest day. Overnight lows will drop down to the 60s to low 70s. * WHERE...Lower Hells Canyon/Salmon River Region and Orofino/Grangeville Region. * WHEN...From noon Saturday to 8 PM PDT Monday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$