Dry and breezy conditions are likely across much of the northern Intermountain West into central Montana, with the strongest winds and lowest relative humidity in the northern Great Basin. Scattered mainly wet thunderstorms will be ongoing across central and western Washington in the morning and will spread across much of eastern Washington into northern Oregon, central and northern Idaho, and western Montana during the afternoon. Scattered to numerous showers will continue west of the Cascades, mainly across northwest Oregon and western Washington. Very hot temperatures above 110oF will continue across the Mojave and Sonoran Deserts, with cooler conditions into much of northern California. Isolated mixed wet and dry thunderstorms will develop across southeast Arizona, New Mexico, and south-central Colorado. North to northeasterly winds will develop tonight across northern California into far southwest Oregon, but overnight recovery should help mitigate fire weather conditions. Significant impacts from what is forecast to be Hurricane Idalia will begin across Southern Area. Gusty northerly winds with low relative humidity will develop across much of Texas and the Lower Mississippi Valley. Heavy showers and thunderstorms from the outer bands of Idalia along with increasing winds will develop across much of Florida. Rainfall is likely to become heavy overnight as the center of Idalia nears the coast. Scattered to numerous showers and thunderstorms will also develop along a stalled cold front across much of the Appalachians into the Northeast with scattered showers in the Great Lakes. Scattered showers will continue across southern Alaska into the Interior.