Three things to know about weather for travelers Thursday 7 September

Locally damaging wind gusts, marginal hail, and heavy rainfall will be possible across the Northeast today and Friday.
Record high temperatures likely for the Mid-Atlantic and Northeast today; record high temperatures for much of Texas through the weekend.
North Carolina to Maine should monitor the development of Hurricane Lee. Possible impacts towards the end of next week.

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Starting Monday morning, 27 November, this site will be down for a major upgrade. RVWeather.com will return no later than Wednesday 29 November — sooner if possible. When the site returns, WILMA, our NEW(!) integrated weather impacts product, will be available. The Paywall will also be implemented. RV Weather will continue to provide free access to essential, RV-relevant National Weather Service Warnings and Advisories, current weather, and weather safety information. While the main site is off-line, I will post a simple forecast to my email list and to RVWeather on Facebook.

From the RV Weather Summer Office in Colter Bay Wyoming:

These are the most significant weather impacts to RV travel over the next two to three days. I do not list every area of rain, showers, or breezy winds. (It would be exhausting for both of us!). Please check out the animations and graphics for a good depiction of the weather along your route.

Pacific:

— Southeast CA deserts: Excessive Heat Warning Saturday and Sunday. High temperatures 106-113 deg F. I-8, I-10 potentially impacted.

Mountain:

— Southeast WY and adjacent far-western NE: Strong winds this afternoon and early evening. Gusts 30-35 mph. I-25, I-80 impacted.

— Southern MT: Marginally severe thunderstorms possible Friday. Strong winds and some hail are the primary hazards. I-15, I-90, I-94 potentially impacted.

— Southwest and south-central MT; north-central WY: Marginally severe thunderstorms possible Saturday. I-15, I-90 potentially impacted.

— Southeast CO; northeast NM: Marginally severe thunderstorms possible Saturday. I-40 potentially impacted.

— Southwest and south-central AZ: Excessive Heat Warning Saturday and Sunday. High temperatures 108-114 deg F. I-8, I-10, I-17, I-19 potentially impacted.

Central:

— Southeast and south-central SD; central and eastern NE: Marginally severe thunderstorms possible today. Strong winds and some hail are the primary hazards. I-29, I-80, I-90 potentially impacted.

— North-central and eastern OK; western AR; central and western LA north of I-10: Marginally severe thunderstorms possible today. Strong winds and some hail are the primary hazards. I-20, I-30, I-40, I-44, I-49 potentially impacted.

— Southeast OK; southwest and west-central AR; much of eastern TX; northwest LA: Severe thunderstorms possible Friday. Damaging winds and some hail are the primary hazards. I-20, I-30, I-35, I-40, I-45, I-49 potentially impacted.

— Northeast, central and southwest NE; western KS; western OK Panhandle; northwest TX Panhandle: Marginally severe thunderstorms possible Saturday. I-40, I-70, I-80 potentially impacted.

— Southeast TX and adjacent southwest LA: Marginally severe thunderstorms possible Saturday. I-10, I-45 potentially impacted.

— Central and eastern TX; south-central and southeast OK; LA; southern MS: Excessive Heat Warnings (central and north-central TX) and Heat Advisories today. Heat index values may reach 112 deg F.

Eastern:

— Most of NY and VT; central and eastern PA; central and northern NJ; MD; DC; northern VA; northeast WV: Thunderstorms with locally damaging wind gusts and hail will be possible today. I-66, I-68, I-70, I-76, I-78, I-80, I-81, I-83, I-84, I-86, I-87, I-89, I-90, I-91, I-95, I-99, NY Thruway, PA and NJ Turnpikes potentially impacted.

— ME, NH, VT, MA, CT; central and eastern NY; NJ; MD; northeast WV; DE; DC; much of VA: Marginally severe thunderstorms possible Friday. Locally damaging wind gusts and hail are the primary hazards. Strongest storms likely along and just north of the I-95 corridor from Baltimore to New Haven. I-64, I-66, I-68, I-70, I-76, I-78, I-80, I-81, I-83, I-84, I-85, I-86, I-87, I-88, I-89, I-90, I-91, I-93, I-95, I-99, NY Thruway, PA, NJ and Mass Turnpikes potentially impacted.

— Northern and central VT and NY; most of ME: Marginally severe thunderstorms possible Saturday. I-89, I-91, I-93, I-95 potentially impacted.

— NY Hudson Valley; VT; most of VT, NH, MA, CT, RI; southeast ME; I-95 corridor through NJ from Philadelphia to New York: Heat Advisories today. Heat index values in the mid to 90’s to lower 100’s deg F.

— Hurricane Lee is about 1000 miles east of the eastern Caribbean Islands and is moving west-northwest at 13 mph. Maximum sustained winds are 80 mph. Lee is expected to intensify and have sustained winds of 155 mph by this weekend. While it is too soon to say if, let alone where, this storm might impact the U.S. East coast, I recommend all RV interests from North Carolina to Maine monitor the progress of Lee. If it impacts the East coast it would likely be towards the end of next week and the weekend of 16-17 September. If you have travel plans for this weekend, there are no impacts from this storm.

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