Travel & RV Weather Forecast Wednesday 27 July

Heaviest rain and localized flash flooding will extend from the Southwest and Four Corners region to West Virginia, bounded between I-40 and I-70, over the next few days.
Heat wave impacts the Northwestern U.S. into the upcoming weekend; intense heat continues across the south-central U.S. today.

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Pacific:

— WA and northern OR east of the Cascades; southwest OR and interior northern CA; the greater Portland and Seattle regions; northern ID: Excessive Heat Warnings through Saturday. High temperatures 100-110 deg F. Hottest days will be Thursday and Friday. I-5, I-82, I-84, I-90 impacted.

— See https://rvweather.com/#Animation-section for latest smoke forecasts from the Oak (Yosemite CA) and Moose Creek (Salmon ID) wildfires.

Mountain:

— Southern and southeast UT; AZ except extreme southwest portion of state; southwest CO; western and portions of north-central NM. Flood watch today and tonight for slow-moving monsoonal thunderstorms. Be very careful near normally dry washes, slot canyons and low-water crossings. I-8, I-10, I-15, I-17, I-25, I-40 potentially impacted.

Central:

— Much of eastern OK: Excessive Heat Warning through this evening: Heat index as high as 112 deg F. I-40, I-44 impacted.

Eastern:

— Southern IN; central and eastern KY; southern OH; central and southern WV; far southwest VA; northeast TN: Flood Watches through this evening for excessive rain from multiple rounds of heavy showers and thunderstorms. I-26, I-64, I-65, I-75, I-77, I-79, I-81 potentially impacted