Travel & RV Weather Forecast Tuesday 29 November

** Heads Up ** Regional tornado outbreak possible this afternoon and evening across the Lower-Mississippi Valley. Some tornadoes may be strong or long-lived. Large hail and severe wind gusts also expected. Have at least two different ways to get NOAA weather warnings; know where you can shelter in emergency from severe weather; get off the road if you are in a tornado warning box. Your RV is not a severe weather shelter. More safety tips here.

Severe weather this afternoon and tonight across the middle and lower Mississippi Valley where tornadoes, large hail, damaging winds, and flash flooding are expected.
Strong winds, heavy snow and plunging temperatures across the Inter-mountain West today.
Heavy snow develops today across the Upper Mississippi Valley Tuesday.
Strong winds across the mid-Mississippi Valley today, moving into the Northeast Wednesday.

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Pacific:

— Central and northern WA: Winter Storm Warnings and Advisories (near the coast) this afternoon through Wednesday evening. Snow accumulations will range from a few inches near the coast and around Puget Sound to 10-16 inches inland to 1-2 feet in the Cascades. Wind gusts to 40 mph. Major highways impacted include I-5, I-82, I-90, US-395.

— WA northern Puget Sound: High Wind Warning this afternoon through Wednesday morning. Gusts to 55 mph. I-5 impacted.

— WA remainder of Puget Sound: Wind Advisories this afternoon through Wednesday morning. Gusts to 40 mph. I-5, I-90 impacted.

— WA Pacific Coast: Wind Advisories this afternoon through Wednesday morning. Gusts to 50 mph. US-101 impacted.

— Far east-central and northeast WA; northern ID: Winter Storm Watches late this evening through late Wednesday night. Accumulations will range from 4-7 inches to 10-16 inches north of Spokane. I-90 US-95 impacted.

— OR Cascades: Winter Storm Watch Wednesday morning through Thursday afternoon. Accumulations of 1-2 feet are likely. Wind gusts to 40 mph. I-84, US-395 impacted.

— OR Coast: High Wind Watch this evening through Wednesday morning. Gusts to 60 mph. US-101 impacted.

— Northern CA and adjacent south-central OR, including Siskiyou Summit: Winter Storm Watches Wednesday afternoon through Thursday. Accumulations will range from 5-10 inches around 3000 feet to 10-20 inches in the higher elevations. Wind gusts to 45 mph. I-5, US-395 impacted.

— CA Sierra Nevada: Winter Storm Watches Wednesday evening through Friday morning. Snow accumulations will range from 2-8 inches at lower elevations to 1-3 feet near and west of US-395 and Donner Pass. Wind gusts 45-65 mph except up to 100 mph on exposed summit ridge lines. I-80, US-50, US-395 highly impacted.

Mountain:

— Central and south-central ID and adjacent east-central OR: Winter Storm Watches late tonight through late Thursday night, Snow accumulations will range from 4-8 inches across the lower elevations to Baker County to 1-2 feet in the mountains. I-84 impacted.

— Portions of western, central and southwest MT: Winter Storm Watches Wednesday night through Friday afternoon. Accumulations will range from 4-9 inches to 1-2 feet in the mountains. Wind gusts 35-40 mph.

— North-central, central and southwest UT: Winter Storm Warnings (southern Wasatch Mountains) and Advisories (elsewhere) continue today. Additional accumulations of 3-8 inches in the mountains and 1-4 inches elsewhere. I-15, I-70, I-80 impacted.

— Southeast WY I-80 Summit between Laramie and Cheyenne; also I-80 between Laramie and Rawlins: Ground Blizzard Warning this afternoon through Wednesday afternoon. Wind gusts to 60 mph, windchill temperatures of -25 deg F and near zero visibility due to blowing and drifting snow. I-80 highly impacted and will likely close.

— Southeast and south-central WY; much of northern, central and southwest CO: Winter Storm Warnings (portions of WY and CO Rockies) and Advisories today. Additional accumulations range from a few inches in the CO Foothills to 5-9 inches in the mountains. Wind gusts to 45 mph. I-25, I-70, I-80 impacted.

— Much of NM; portions of northeast and east-central AZ: High Wind Warnings and Advisories today. High winds end from west to east. Gusts 55-65 mph in NM and 40-50 mph in AZ. I-25, I-40 impacted.

Central:

— NE; southeast SD; western IA; southern, southeast and east-central MN; MN Arrowhead; northwest and north-central WI; western MI Upper Peninsula: Winter Storm Warnings (MN, WI) and Advisories today and tonight. Snow accumulations will range from 2-4 inches over NE to 5-9 inches over parts of MN and WI. Some freezing rain today over eastern NE and western IA. Wind gusts 30-40 mph. I-29, I-35, I-80, I-90, I-94, US-2 impacted.

— Western TX: Wind Advisory today. Gusts to 55 mph. I-10/I-20 split impacted.

— Eastern OK; northwest AR; southwest MO: Wind Advisories through this afternoon. Gusts to 45 mph. I-40, I-44 impacted.

— Central and east-central IL; adjacent northwest IN: Wind Advisories mid-morning through mid-afternoon. Gusts to 45 mph. I-39, I-55, I-57, I-65, I-72, I-74, I-80 impacted.

— Far-western KY; western and central TN; the southeastern half of AR; MS; LA; far-eastern TX; western AL: Severe thunderstorms with tornadoes, very large hail and severe wind gusts are expected this afternoon and tonight. A few strong tornadoes are possible. Greatest risk of severe weather will be over northeast LA and central MS. I-10, I-12, I-20, I-24, I-30, I-40, I-49, I-55, I-57, I-59 potentially impacted.

— Southern and southeast MS and adjacent southeast LA; southwest AL: Flood watch this afternoon through Wednesday morning for excessive rainfall. I-10, I-12, I-59 potentially impacted.

— Southeast LA; coastal MS and AL: Dense Fog Advisories this morning. I-10, I-12 impacted.

Eastern:

— Western NY south of Buffalo downwind of Lake Erie: Winter Weather Advisory Wednesday afternoon through Thursday afternoon for lake effect snow. Up to 4-7 inches snow and gusts to 45 mph. I-90 / NY Thruway impacted.

— Western NY north of Syracuse downwind of Lake Ontario: Lake Effect Snow Warning Wednesday evening though Thursday evening. 4-7 inches snow at lower elevations and 8-14 inches across the Tug Hill Plateau. Wind gusts to 50 mph. I-80 impacted.

— Western NY: Wind Advisories midday Wednesday through midday Thursday. Gusts to 50 mph. I-81, I-90 / NY Thruway impacted.

— Coastal and Down East ME: High Wind Watch Wednesday afternoon and Wednesday night. Gusts to 55 mph. I-95 impacted.

— Eastern and central MA; RI: Wind Advisories Wednesday afternoon and night. Gusts 40-50 mph. I-84, I-90, I-95, I-495, US-6 impacted.

— Eastern TN along the NC border: High Wind Warning this evening through Wednesday morning. Gusts to 70 mph. I-26, I-40 impacted.

— Southern AL; southwest GA; much of the FL Panhandle: Dense Fog Advisories this morning. I-10 impacted.

Severe Weather and Tropical Watches and Warnings

— 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/#NHC_Hurricane_Advisory for the latest Tropical Cyclone WARNINGS and information.

— See https://rvweather.com/warnings-watches-and-advisories/#NWS_Tornado_Warning for the latest Tornado, Severe Thunderstorm, and Flash Flood WARNINGS.

Severe weather risk Tuesday and Tuesday night 29 November
Flash Flood Risk Tuesday and Tuesday night 29 November
Wind gusts Tuesday afternoon 29 November
Freezing Rain (ice) amounts through Tuesday evening 29 November
Likelihood of winter weather impacting RV travel Tuesday or Tuesday night 29 November
Wind gusts Wednesday 30 November
Likelihood of winter weather impacting RV travel Wednesday or Wednesday night 30 November
Likelihood of winter weather impacting RV travel Thursday or Thursday night 1 December
Total snowfall accumulations through Thursday night 1 December
Total precipitation amounts through Thursday night 1 December