Travel & RV Weather Forecast Tuesday 6 September

  • Flash flooding continues this morning in parts of eastern Pennsylvania, southern New York and southern New England.
  • Expect high winds over the Rocky Mountain Front and Glacier National Park Wednesday.
  • Excessive heat for a few more days across much of California.
  • Hurricane Danielle and Tropical Storm Earl pose no threat to the U.S.

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— Most of CA except the immediate coast and mountains; southern NV: Excessive Heat Warnings and Watches continue through Thursday. High temperatures will range from 105-115 deg F in most locations. I-5, I-8, I-10, I-15, I-40, I-80, CA-58, CA-99 among the highways impacted.


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

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

— North-central MT Rocky Mountain Front, including all of Glacier County: High Wind Watch Wednesday. Gusts to 60 mph.

— Central and north-central MT east of the Rocky Mountain Front: Strong Winds Wednesday afternoon. Gusts 40-50 mph. I-15, I-90 impacted.


— Central and southeast IA; central and west-central MO; east-central KS: Dense Fog Advisories this morning. I-35, I-70, I-80 impacted.

— Northern AL: Dense Fog Advisories this morning. I-59, I-65 impacted.


— Central and eastern KY: Dense Fog Advisories this morning. I-64, I-65, I-71, I-75 impacted.

Parts of northern VA; DC; central and eastern MD west of the Chesapeake Bay; eastern PA; NJ; southern NY including New York City; CT; eastern MA; southern NH: Flash Flood Warnings (current near Philadelphia and southern CT), Advisories and Watches continue through this afternoon. Up to 1-3 inches additional rainfall possible and rainfall rates may reach 1-2 inches per hour. If you are camping near any small streams, creeks or low-lying areas, pay close attention to the forecast, water levels, any flood warnings, and directions from your local emergency management officials. Seek higher ground and do not attempt to drive across flooded roadways. Major highways potentially impacted include I-76, I-80, I-83, I-84, I-87, I-88, I-89, I-91, I-95, NY Thruway, Mass Pike, NJTP and arteries in and around New York City.

Severe Weather and Tropical Watches and Warnings

— See for the latest Tropical system WARNINGS and information.

— See for the latest Tornado and Severe Thunderstorm WATCHES

— See for the latest Tornado, Severe Thunderstorm, and Flash Flood WARNINGS.

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