Travel & RV Weather Forecast Tuesday 26 July


  • A dangerous heat wave with record warm temperatures will persist across the Northwestern U.S. this week.
    • Intense heat lingers in the south-central U.S. through Wednesday.
  • A threat of flash flooding will exist from the Southwest into the Southern Rockies as well as from the Ohio Valley into the Appalachians through the week.
    • Much of West Virginia is at significant risk for flash flooding through Friday.

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Pacific:

WA and northern OR east of the Cascades; southwest OR; the greater Portland and Seattle regions; northern ID: Excessive Heat Warnings through Friday. High temperatures today east of the Cascades 100-105 deg F, increasing to 105-110 deg F by Wednesday. 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:

— Southwest and south-central UT; western, central and southern AZ: Flood Watches this afternoon through late today for monsoonal thunderstorms. Be very careful near normally dry washes, slot canyons and low-water crossings. I-8, I-10, I-15, I-17, I-40 potentially impacted.

— Portions of NM, especially western, northwest and north-central NM: Flood Watches this afternoon and evening for slow-moving thunderstorms. I-25, I-40 potentially impacted.

Central:

— Central, north-central and northeast OK: Excessive Heat Warning through Wednesday evening: High temperatures 105-110 deg F. I-35, I-40, I-44 impacted.

— Northeast MO; central and south-central IL, and adjacent southwest IN: Flood Watches through midday today for excessive rainfall. I-55, I-57, I-64, I-69, I-70, I-72 potentially impacted.

Eastern:

Central and western WV; adjacent KY and OH: Significant risk of localized flash flooding Wednesday and Thursday from multiple rounds of heavy showers and thunderstorms. As much as 3-5 inches of rain may fall between today and Friday. I-64, I-77, I-79 potentially impacted.


Severe Weather and Tropical Watches and Warnings

— See https://rvweather.com/warnings-watches-and-advisories/#SPC_Tornado_Watch for the latest Tornado and Severe Thunderstorm WATCHES

— See https://rvweather.com/warnings-watches-and-advisories/#NWS_Tornado_Warning for the latest Tornado, Severe Thunderstorm, and Flash Flood WARNINGS.

— See https://rvweather.com/warnings-watches-and-advisories/#NHC_Hurricane_Advisory for the latest Tropical system WARNINGS and information.



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