Weather Hazards that will impact travel across the US for the next several days.

Severe weather threat this afternoon through Saturday stretching from central Texas to the Southeast.
- Big severe outbreak and strong tornadoes possible Friday over the lower Mississippi Valley.
Significant flash flooding possible this afternoon through Friday from eastern Oklahoma to the upper Ohio Valley.
High winds Friday over west Texas and the I-10/I-20 split.

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Pacific:

— WA and OR Cascade Mountains; southwest WA, OR and northwest CA coastal Mountains: Winter Storm Warnings (OR Cascades) and Advisories above 2500 feet midday today through Saturday. Snow accumulation could reach 1-3 feet in the Cascades and 6-12 inches in the coastal ranges. Higher snow amounts above 3500 feet. Wind gusts to 40 mph. I-5 (Grants Pass), US-101 impacted.

— Much of south-central WA and north-central OR, including the eastern Columbia River Gorge: Wind Advisories this afternoon and tonight. Gusts to 45 mph. I-82, I-84, US-97, US-395 impacted.

— Northeast OR and adjacent southeast WA Blue Mountains: Winter Weather Advisories midday today through early Saturday morning. 6-10 inches of snow and wind gusts to 45 mph. I-84 impacted.

— CA Northern Sierra Nevada Mountains: Winter Weather Advisories through late tonight. 5-10 inches snow and wind gusts to 40 mph. Snow levels 3500-4500 feet. I-80, US-50 impacted.

— East-central NV Ruby Mountains: Winter Weather Advisory this afternoon through Friday morning. 5-15 inches of snow and wind gusts to 45 mph. This area is just south of I-80 and just west of US-93.

— West-central NM near Fallon: Flood Advisory through Monday for minor flooding from controlled dam release. US-50, US-93 potentially impacted.

— Southern CA western Mojave Desert Slopes, Antelope Valley, Santa Barbara and Ventura county mountains: Wind Advisories this evening through Saturday morning. Wind gusts 45-55 mph. I-5, US-101, CA-58 impacted.

Mountain:

— North-central and northeast MT: Dense Fog Advisories through midday today. I-15 impacted.

— Portions of south-central and southwest MT; adjacent north-central WY: Winter Storm Watches Friday afternoon through Saturday morning. 3-7 inches snow in lower elevations and 7-14 inches in higher passes and the mountains. I-15, US-89 potentially impacted.

— West-central ID: Winter Weather Advisory today and tonight. 3-5 inches snow in high-terrain valleys and up to a foot of snow in the mountains.

— South-central ID: Wind Advisory Friday into Friday night. Gusts to 50 mph. I-15, I-84 impacted.

— South-central and southeast NM: adjacent far-west TX: Wind Advisories late this morning through late this evening. Gusts to 50 mph. US-180, US-285, US-380 impacted. This area is just east of US-54.

— Southeast NM and adjacent far-west TX: High Wind Watch Friday and Friday night. Gusts to 70 mph possible. I-10, I-20 (including the split), US-180, US-285 potentially impacted.

Central:

— Much of northwest and central ND: Dense Fog Advisories through midday today. I-94 impacted.

— West-central and southwest TX: Strong winds this afternoon and evening. Gusts to 40 mph. I-10, I-20 impacted.

— Far-western TX: High Wind Watch Friday and Friday night. Gusts to 70 mph possible. I-10, I-20 (including the split), US-180, US-285 potentially impacted.

— Much of eastern OK; southern and southeast MO; northern AR; southern IL; northwest and north-central KY: Flood Watches this afternoon through late Friday night. Widespread areas of 2-4 inches of rain with some locations receiving higher amounts. Greatest risk of flooding will be over the Ozarks and Ohio Valley. I-24, I-35, I-40, I-44, I-55, I-57, I-64, I-69, I-70, I-72, I-74, I-75 potentially impacted.

— West-central and north-central TX; central and eastern OK; northwest AR: Severe thunderstorms capable of large hail and damaging winds possible between Thursday afternoon into Friday morning. There is a possibility these severe storms will extend north and east through MO, into IL and southwest IN. I-10, I-20, I-35, I-40, I-44 impacted.

— Most of AR; LA north of I-10; eastern TX; MS north of I-10; western and northern AL; central and western TN and KY: Supercell severe thunderstorms will be capable of producing large hail, damaging wind gusts and strong tornadoes Friday. Greatest risk over east-central and northeast LA, west-central MS and southeast AR. I-20, I-22, I-24, I-30, I-40, I-55, I-59, I-65 potentially impacted. I-10, I-12, and I-64 are on the edges of this risk area.

— Southern AL; FL Panhandle: Dense Fog Advisories through late this morning. I-10, I-65, I-85 impacted.

— Southwest AL; FL Panhandle: Isolated strong to severe thunderstorms possible on Saturday. I-10, I-85 impacted.

— Southern, southeast and east-central WI: Snow Saturday. 3-8 inches likely. I-39, I-43, I-90 impacted.

Eastern:

— Southern IN; southern OH; northern KY; west-central WV: Flood Watches this evening through Saturday. Expected widespread regions of 2-4 inches of rain. I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-77 potentially impacted.

— Central and western SC; much of GA; FL Panhandle: Isolated strong to severe thunderstorms possible on Saturday. I-10, I-16, I-20, I-26, I-75, I-77, I-85 potentially impacted.

— Far-northern ME: Winter Weather Advisory through tonight. 4-7 inches snow.

— Most of northern, central and western GA; FL Panhandle; most of SC; portions of southwest and south-central NC: Dense Fog Advisories through late morning. I-10, I-16, I-20, I-26, I-40, I-75, I-77, I-85, I-95 impacted.

— Central and northern MI Lower Peninsula: Snow Saturday and Saturday night. 3-5 inches likely. I-69, I-75, US-31 impacted.

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