Travel & RV Weather Forecast Saturday 3 September


  • Excessive heat intensifies across southern and central CA and remains in place through Tuesday.
  • Significant potential for flash flooding Sunday night and Monday over parts of central Kentucky and Tennessee.
  • Tropical Storms Danielle and Early currently pose no threat to the U.S.

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Pacific:

— Southeast OR and northwest NV: Strong winds this afternoon. Wind gusts 30-40 mph.

— Southern and much of interior Central CA; southern NV: Excessive Heat Warnings and Watches continue through Tuesday. High temperatures will range from 100-110 deg F in the San Joaquin Valley to 105-115 deg F in the Mojave and southern Deserts and 115-123 deg F in Death Valley. Excessive Heat Warnings come into effect throughout the Sacramento Valley starting Sunday. I-5, I-8, I-10, I-15, I-40, CA-58, CA-99 among the highways impacted.

— Southeast CA and far-south NV: Isolated strong to severe thunderstorms possible this afternoon and evening. Strong wind gusts and hail are the primary threats. I-10, I-15, I-40 potentially impacted.

Mountain:

Northwest AZ and south-central UT, Grand Canyon below 4000 feet and Glen Canyon below 5000 feet: Excessive Heat Warnings through Thursday. Temperatures may reach 105 deg F in Glen Canyon and up to 115 deg F in Phantom Ranch, Grand Canyon.

— West-central AZ: Isolated strong to severe thunderstorms possible this afternoon and evening. Strong wind gusts and hail are the primary threats. I-8, I-10, I-17, I-40 potentially impacted.

— Portions of south-central AZ: Excessive Heat Warning through Tuesday. High temperatures 105-110 deg F. I-10, I-17 impacted.

— Portions of north-central NM: Flash Flood Watches through this evening. Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations. I-25 potentially impacted.

Central:

— Portions of southwest TX: Flash Flood Watches continue through this evening for excessive rainfall. Flooding threat greatest in the Big Bend region, including Big Bend National Park. I-10 potentially impacted.

— Southeast MO; northeast AR; southern IL; extreme southwest IN; western KY; northeast TN: Isolated strong to severe thunderstorms possible this afternoon and evening. Strong wind gusts and hail are the primary threats. I-24, I-55, I-57, I-64, I-69 potentially impacted.

Central KY and central TN: Heavy rains and flash flooding possible, starting Sunday and continuing through Monday. Up to 1-4 inches of rain expected. If you are camping near any small streams, creeks or low-lying areas, pay close attention to the forecast, any flood warnings, and directions from your local emergency management officials. Major highways potentially impacted include I-40, I-64, I-65, I-75.

Eastern:

— Heavy rains spread into PA, NY and southern New England late Sunday night and continuing through Labor Day. Up to 1-2 inches of rain possible in some locations, creating a possibility for localized flash flooding. f you are camping near any small streams, creeks or low-lying areas, pay close attention to the forecast, any flood warnings, and directions from your local emergency management officials.


Severe Weather and Tropical Watches and Warnings

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

— 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.



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