Three things to know about weather for RVers and travelers Monday 20 November

  • Significant severe weather outbreak today and tonight from eastern Texas through the Deep South. Strong tornadoes possible across Louisiana and Mississippi.
  • Potential for early season ice storm across northern Appalachians late tonight and Tuesday.
  • High winds for much of the East Tuesday. Wind gusts to 80 mph along the Tennessee / North Carolina border.

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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.


— West-central and northwest OR, and adjacent southwest WA: Dense Fog Advisories this morning, mostly in the valleys between the Coastal Range and the Cascades, including the Willamette Valley. I-5, I-84 impacted.

Portions of central CA North and East Bay area; Santa Cruz Mountains and Santa Clara Foothills: Wind Advisory through mid-morning. Gusts to 50 mph. CA-1, CA-152 impacted.

Southern NV; much of southeast CA: Wind Advisories through this afternoon. Wind gusts 45 mph in the deserts and to 60 mph in the mountains. Major highways impacted include I-8, I-10, I-15, I-40, US-6, US-93, US-95, US-395, CA-14, CA-58.

Southern CA Santa Barbara, Ventura County, San Gabriel Mountains, including the I-5 corridor, San Bernardino, Santa Ana, Riverside, San Diego Mountains, the Inland Empire and the San Diego deserts: High Wind Warnings and Advisories continue through midday Tuesday. Wind gusts 60-75 mph. I-5, I-10, I-15, US-101, CA-14, CA-78 impacted.


Northwest MT eastern Glacier NP and adjacent foothills: High Wind Watch Tuesday morning through late Tuesday night. Gusts 60-70 mph. I-15, US-2 impacted.

South-central MT Northern Sweet Grass, east of Livingston: High Wind Warning this morning. Gusts to 60 mph. I-90, US-191 impacted.

Eastern MT; eastern WY; eastern CO: Strong winds today. Wind gusts generally 35-45 mph except 45-55 mph across eastern CO. I-25, I-70, I-76, I-80, I-90, I-94 impacted.

Far southwest UT: High Wind Warning through midday today. Gusts to 60 mph. I-15 impacted.

— Portions of central and south-central CO: Winter Weather Advisories through early tonight, generally above 7500 feet. An additional 8 inches of snow possible. Wind gusts to 50 mph.

South-central CO and adjacent north-central and northeast NM, including the Raton Pass: Winter Weather Advisories through early Tuesday morning. 2-6 inches of snow and wind gusts to 55 mph. I-25 impacted.

Northeast and east-central NM: Wind Advisories today. Gusts to 50 mph. I-25, I-40 impacted.


Southwest SD: Wind Advisory through this evening. Gusts to 50 mph. I-90 impacted.

Western OK and TX Panhandles: Wind Advisories through this evening. Gusts to 55 mph. I-27, I-40 impacted.

— Western and central ND, SD, NE, KS, OK and the TX Panhandle: Strong winds through this evening. Wind gusts generally 30-40 mph, except higher as noted in above advisories. I-27, I-40, I-70, I-80, I-90, I-94 impacted.

— Central and eastern ND, SD, NE; KS; western OK: Strong winds tonight through midday Tuesday. Wind gusts generally 30-40 mph. I-29, I-35, I-40, I-70, I-80, I-90, I-94 impacted.

— Southwest TX: Strong winds Tuesday morning through midday Tuesday. Wind gusts 30-45 mph. Strongest early morning. I-10 west of the I-10/I-20 split impacted.

— Central and southeast TX: Strong winds Tuesday morning through early afternoon. Wind gusts 30-35 mph. I-2, I-10, I-35, I-37, I-45, I-69 impacted.

— Eastern TX; eastern OK; much of AR; central and northern LA: Heavy rain showers and thunderstorms today. Localized flash flooding possible. I-20, I-30, I-40, I-49 impacted.

Eastern TX; southern AR; LA; MS; western AL: Severe thunderstorms are likely this afternoon into tonight. Damaging winds and several tornadoes, a few of which may be strong, will be the primary hazards. Some large hail also possible. I-10, I-12, I-20, I-22, I-30, I-49, I-55, I-59 potentially impacted.

— Much of IL; KY; TN; MS and AL: Rain and showers, some heavy, tonight into Tuesday morning. Numerous major highways impacted.

Central and northern AL; central TN: Wind Advisories tonight. Gusts 40-50 mph. I-20, I-22, I-24, I-40, I-55, I-59, I-65, I-75 impacted.

Southwest AL; western FL Panhandle: Severe thunderstorms, with a couple of tornadoes are possible Tuesday morning through early afternoon. I-10, I-65 potentially impacted.


South-central PA; far-western MD; northeast WV: Winter Weather Advisories early Tuesday morning through afternoon. Snow, sleet and freezing rain. Snow accumulations generally an inch or less. Freezing rain and sleet will likely be the bigger impacts. I-68, I-70, I-76, US-50, US-219, PA Turnpike impacted.

Much of central and northern OH; western WV; western and central PA; western NY: Strong winds Tuesday, moving from west to east. Wind gusts generally 30-40 mph except gusts to 50 along the Lake Erie shoreline. I-68, I-70, I-71, I-76, I-77, I-79, I-80, I-81, I-86, I-90, PA and OH Turnpikes, NY Thruway impacted.

East-central and southern WV; southwest VA; western NC; northwest GA: Wind Advisories tonight and Tuesday. Gusts 35-50 mph. I-20, I-26, I-40, I-64, I-77, I-79, I-81 impacted.

Eastern TN mountains along the NC border: High Wind and Red Flag (fire danger) this afternoon through Tuesday. Gusts to 80 mph. I-26, I-40 impacted.

— Southeast GA; much of the FL Peninsula: Dense Fog Advisories this morning. I-4, I-10, I-75, I-95 impacted.

Overall weather impacts to RV travel Monday afternoon 20 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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