Area Forecast Discussion
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
041 FXUS65 KMSO 071009 AFDMSO Area Forecast Discussion National Weather Service Missoula MT 409 AM MDT Sun Jul 7 2024 ...Hot and Dry Weather the next 10 Days... ...Excessive Heat Warnings and Advisories Tuesday-Friday... .DISCUSSION...Welcome to Summer folks. Strong High Pressure over the west coast will expand or amplify across the entire western U.S. this week. This will result in a prolonged hot and dry streak lasting the through at least July 16th. The Climate Prediction Center is showing a high likelihood (over 90% chance) of these above normal temperatures and dry conditions persisting through July 20th. Through next weekend, High temperatures at least in the mid 90s will be common across western Montana and at least 100 degrees across the valleys of central Idaho. The hottest days will be Tuesday-Thursday, thus the Excessive Heat Warnings and Advisories. Specifically High Temperatures: - Central Idaho Valleys...105-112 degrees. - Western Montana...Upper 90s to 104 degrees. - Southwest Montana...Mid 90s. Looks like some monsoonal moisture will try and sneak its way into Southwest Montana and Lemhi County Sunday/Monday but there is too much uncertainty to discern what kind of impact this change may have, if any. && .AVIATION...VFR conditions will be over all terminals the next 24 hours. && .MSO WATCHES/WARNINGS/ADVISORIES... MT...Heat Advisory from 1 PM Tuesday to midnight MDT Friday night for Flathead/Mission Valleys...Kootenai/Cabinet Region...Lower Clark Fork Region...Missoula/Bitterroot Valleys. ID...Heat Advisory from noon Tuesday to 11 PM PDT Friday for Northern Clearwater Mountains. Excessive Heat Warning from noon Tuesday to 11 PM PDT Friday for Orofino/Grangeville Region...Southern Clearwater Mountains. Excessive Heat Warning from noon Monday to 11 PM PDT Friday for Lower Hells Canyon/Salmon River Region. && $$