Three things to know about weather for RVers and travelers Wednesday 15 November

  • Storm in the Gulf continues to bring coastal flooding, strong winds and rain to Louisiana, Mississippi and Florida through Thursday.
  • Snow for northwest Montana and high winds for the Northern Rockies through late tonight.
  • Unsettled weather for central and southern California with rain, showers, and strong winds over the Grapevine.

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Starting Monday morning, 27 November, this site will be down for a major upgrade. 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 Winter Office in State College PA:

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.


— East-central WA: Dense Fog Advisory this morning. I-90 impacted.

— Central and southern CA: Rain and showers move inland from the ocean this afternoon and tonight. Heaviest rain on the coast between San Francisco and San Diego. I-5, US-101 impacted.

Southern CA Santa Barbara and Ventura County mountains; Grapevine: Wind Advisories continue through this evening. Wind gusts 45-55 mph. Winds will blow from the south, so strong tailwinds (northbound traffic) and headwinds (southbound traffic) on I-5. I-5, US-101 impacted.

— CA central and southern Sierra Nevada: High elevations snows tonight. Minimal impact to travel.


North-central ID; portion of northwest and north-central MT: Winter Weather Advisories starting late this afternoon through tonight. Accumulations generally 2-5 inches. Wind gusts 35-40 mph. I-15, I-90 impacted.

— South-central MT Beartooth Foothills and Livingston area east of Bozeman: Wind Advisory late this morning through tonight. Gusts to 60 mph. I-90 impacted.

Southeast WY: High Wind Warnings and Watches through this evening through Thursday afternoon. Gusts to 65 mph. I-25, I-80 impacted.

Western and south-central MT; portions of WY to include the Wind River and Big Horn ranges, and much of east-central and southeast WY: Strong winds this afternoon through late tonight in the usually windy locations to include the Rocky Mountain Front, Livingston area, Wind River and Big Horn Ranger, and north and west of Cheyenne. Wind gusts periodically 30-45 mph, increasing to 50-60 mph over WY Wednesday night. I-15, I-25, I-80, I-90 impacted.

— South-central WY Sierra Madre Range: Winter Weather Advisory tonight through Thursday evening. 5-10 inches snow above 9000 feet.

North-central UT: Some accumulating snows late tonight into Thursday morning in the Wasatch range. Gusts to 35 mph. I-80 impacted.

Portions of western and central CO: Snow on Thursday. Several inches likely. I-70 impacted.

Central CO Front Range; north-central NM: Strong to high winds tonight through Thursday evening. Strongest winds move from north to south through the period. Wind gusts 45-60. I-25, I-70 impacted.

— Southeast NM and adjacent southwest TX: Dense Fog Advisory through this morning.


— Far-eastern SD; eastern NE; northern and central IA; southern and eastern MN; northern and northwest WI: Strong winds Thursday. Wind gusts 30-45 mph. I-29, I-35, I-39, I-80, I-90, I-94 impacted

— Portions of western Texas will deal with dense fog through the mid-morning hours, burning off in the afternoon hours. I-10 and I-20 will likely be impacted, especially at the split.

Southeast LA and coastal MS: Coastal Flood Warning this evening through early Thursday morning. Significant coastal flooding possible. Be alert and follow the directions of emergency management if you are camping near the coast in this region. US-90 potentially impacted.

— Southeast LA; coastal MS, AL and coastal FL Panhandle: Wind Advisories this evening through early Thursday morning. Gusts to 45 mph. I-10 (Pensacola), US-90, US-98 impacted.

— Southern LA and southern MS; southwest AL; western FL Panhandle; Bands of rain and showers, some heavy, moving onshore from the Gulf this afternoon and tonight, lingering even into early Thursday morning. I-10, I-12, I-49, I-55, I-59, I-65, US-90 impacted.


— Portions of northern and central MI: Strong wind gusts to 40 mph Thursday afternoon and into the night. I-69. I-75, I-94 impacted.

Central and southern FL Peninsula Atlantic coast: Flood Watches Wednesday afternoon through Thursday morning. Strong coastal winds and heavy rain. Wind gusts along the coast 30-35 mph. General accumulations of 3-8 inches of rain with some areas receiving 10 inches. Heaviest rains likely over south FL. I-75, I-95, FL Turnpike impacted.

— Central FL: Heavy rain Thursday afternoon. General accumulations up to 1 inch. I-75, I-95 impacted.

Overall weather impacts to RV travel Wednesday afternoon 15 November. Impacts range from Marginal (level 1) to Critical (level 5).
Severe thunderstorm risk today and tonight.
Severe thunderstorm risk tomorrow and tomorrow night.
Total rainfall amounts for the next three days
Total snowfall amounts for the next three days
Freezing rain (ice) accumulations for the next three days

Current Severe Thunderstorm and Tornado Watches from the National Weather Service Storm Prediction Center

Two-day tropical weather outlook from the National Hurricane Center

Tornado safety information for RVers (what to do!):

Access to real-time road information:

Phone numbers and websites for road conditions in all 50 states. Courtesy of the Cheyenne WY Weather Forecast Office

Some useful links:

High-resolution radar

Your local forecast

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