- Flood Watches through Friday: Dangerous flash flooding from heavy rain and thunderstorms may create hazardous driving conditions across California west of the Sierra Nevada, southern California north of the Salton Sea, southern and southwest Nevada, and northwest and west-central Arizona today and Thursday.
- Winter Storm Warnings and High Wind Warnings through Friday evening: Heavy mountain snow combined with strong to damaging winds may create difficult and hazardous travel across northern California, the Sierra Nevada, and parts of the Great Basin and Intermountain West through Friday.
- Winter Storm Watches Friday through Saturday morning: Heavy mixed precipitation with snow, sleet, and icing may significantly impact travel across parts of Pennsylvania, far-west Maryland, New York southern-tier and lower Hudson Valley, New Jersey, and southern New England late Friday into early Saturday.
From the RV Weather Field Office in State College PA:
Here are the relevant National Weather Service Warnings, Watches and Advisories that will impact RV and Road travel over the next several days.
Scroll down to the always-updating graphics immediately below this forecast for the latest information and for weather impacts that do not meet NWS Alert criteria.
RV Weather’s free Weather Hub has a complete collection of always updating forecasts.
Note: The daily written forecast will transition to a weekly RV Weather Outlook beginning in January 2026. Continuously updated (free) graphics will continue.
“Love the forecast? Now plan your safest route.” RV Weather’s daily forecasts keep you informed — but our SureRoute subscription gives you personalized, RV-safe routes that avoid dangerous weather and delays.
Weather Impacts Pacific Time Zone:
— WA Cascade Mountains: Winter Weather Advisories late tonight into Friday night. Snow expected. Total snow accumulations between 6 to 12 inches. Snow levels will be around 2500 ft Friday morning and will decrease below 1000 ft Friday evening. Up to a foot of snow may fall on Snoqualmie Pass (I-90) Friday and Friday night. I-90, US-2, US-12 impacted.
— Much of east-central WA: Dense Fog Advisories early this morning. I-90, US-2, US-395 impacted.
— Southeast WA and northeast OR Blue Mountains: Winter Weather Advisory late tonight through Saturday morning. Snow expected. Total snow accumulations to 3 to 9 inches. 2-4 inches snow on Deadman Pass (I-84) by midday Saturday. Winds gusting as high as 35 mph. I-84 impacted.
— OR Cascade Mountains: Winter Weather Advisories late tonight through Saturday afternoon. Snow expected above 4000 ft in the northern Cascades and 4500 feet in the southern Cascades. Total snow accumulations up to 11 inches. Winds gusting as high as 45 mph. I-5, US-20, US-26 impacted.
— Most of southwest and south-central OR; northern CA, including the I-5 corridor in Shasta Valley; northwest coastal CA: High Wind Warnings (I-5 and along the coast) and Advisories today. Wind gusts 50-65 mph. Strongest winds along the I-5 corridor and along the immediate coast. I-5, US-97, US-101, US-199, US-395, CA-139, CA-299 impacted.
— Much of northern and northeast CA: Winter Storm Warnings continue through Friday evening. Heavy snow expected. Snow accumulations of 1 to 3 feet above 4500 feet, with locally higher amounts at peaks. Up to 1 foot between 3500 to 4500 feet. Wind gusts up to 60 mph. Snow levels will be above 5000 feet today, then drop to 3500 feet by Thursday night. Snowfall rates up to an inch per hour at times. 1-2 inches snow Siskiyou Pass (I-5) tonight. I-5, US-97, US-395, CA-3, CA-36, CA-44, CA-70, CA-89, CA-96, CA-139, CA-299 impacted.
— Almost all of CA west of the Sierra Nevada; southern CA north of the Salton Sea; southern and southwest NV; northwest and west-central AZ: Flood Watches, with embedded Advisories, Warnings and FLASH FLOOD WARNINGS continue through Friday. 3-7 inches of rain have already fallen over parts of Northern CA. 4-8 inches of rain may fall in the Southern CA mountains by Friday. Rainfall amounts of 1-4 inches will be common throughout the state. DANGEROUS FLASH FLOODING is likely today and Thursday in southern CA. Thunderstorms with marginally severe wind gusts, hail and potentially a brief tornado will be possible today and Thursday.
— Coastal CA; Sacramento Valley and Delta Region; central CA west of I-5; northern San Joaquin Valley; Mojave Desert Slopes: High Wind Warnings, Watches, and Advisories continue through this afternoon. Wind gusts 50-70 mph. Dangerously high winds on the I-5 Grapevine (Tejon Pass) north of Los Angeles.
— CA Sierra Nevada Mountains: Winter Storm Warnings continue through Friday evening. Heavy snow expected. Total accumulations up to a foot between 4500 to 5500 feet, and 4 to 8 feet, with locally higher amounts above 5500 feet. Wind gusts up to 60 mph. Snowfall rates of 1 to 2 inches per hour at times. I-80, US-50 impacted.
— Much of central and southern NV; CA Death Valley National Park: Wind Advisories continue through this evening. Wind gusts to 50 mph. Blowing dust may reduce visibilities down to one mile or less. US-6, US-50, US-93, US-95, US-395, CA-127, CA-178, CA-190 impacted.
Weather Impacts Mountain Time Zone:
— Portions of central and south-central ID: Winter Storm Warnings and Advisories through this evening. .Additional snow accumulations 1-3 inches. US-93 impacted.
— Portions of west-central ID: Winter Weather Advisory early Friday morning through Saturday morning. Snow expected. Total snow accumulations of 4 to 7 inches in the valleys and up to 14 inches for the mountain peaks. US-95 impacted.
— Much of north-central MT: Winter Weather Advisories this morning. Mixed precipitation, including freezing rain. Additional ice accumulations around a glaze. I-15, US-2, US-87, US-89, US=287 impacted.
— Portions of central and southeast MT: Dense Fog Advisories this morning. I-94, US-12, US-87 impacted.
— Northeast WY: High Wind Warning through this afternoon. Wind gusts up to 65 mph. The strongest winds will be south of US-212. I-90, US-212 impacted.
— West-central WY: Winter Weather Advisories above 7500 feet continue through this afternoon. Snow expected. Additional snow accumulations of 4 to 8 inches. Winds gusting as high as 45 mph. Travel could be difficult, including over Teton and Togwotee Passes. US-26, US-89, US-189, US-191, WY-22 impacted.
— Portions of west-central, central and south-central WY: High Wind Warnings continue through midday today. Wind gusts to 65 mph. I-25, I-80, US-20, US-26, US-287 impacted.
— Southeast WY: High Wind Watch this afternoon through Friday afternoon. Wind gusts to 65 mph. I-25, I-80 impacted.
— Much of WY; much of UT; central and northern AZ; western and central CO; north-central and central NM: Strong Winds today and Friday. Wind gusts 35-55 mph. I-15, I-25, I-40, I-70, I-80, I-90 impacted.
— Western UT: High Wind Warnings and Advisories continue through Friday evening. Wind gusts 45-65 mph. I-15, I-80, US-6, US-50 impacted.
— Portions of north-central, northeast, central, south-central and southwest UT: Winter Weather Advisories continue through Sunday morning. 5-16 inches of snow expected. I-15, I-70, I-80, I-84, US-6, US-40, US-50, US-89, US-191 impacted.
— Northwest and west-central AZ: Wind Advisory continues through late this evening. Wind gusts to 50 mph. I-40, US-93 impacted.
— Southeast AZ; southeast NM: Dense Fog Advisories this morning. I-10 (AZ), US-62, US-82, US-380 impacted.
Weather Impacts Central Time Zone:
— Eastern ND; central and northern MN; central and northern WI: Winter Weather Advisories this evening through midday Friday. Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch. I-29, I-35, I-39, I-41, I-43, I-94, US-2, US-8, US-10, US-41, US-45, US-51, US-53, US-59, US-71, US-75 impacted.
— West-central, southwest and south-central SD; northeast SD and northwest MN: Strong winds today. Wind gusts to 40 mph except to 55 mph in the Black Hills, where Wind Advisories are posted. I-29, I-90, I-94, US-2, US-10, US-12, US-14, US-18, US-59, US-75, US-83, US-85, US-212 impacted.
— Much of northern, central and eastern SD; southern MN; eastern NE; western and central IA; central and eastern KS; central and northern IA; northern, central and south-central MO; central IL: Dense Fog Advisories through midday today. I-29, I-35, I-49, I-55, I-57, I-70, I-72, I-74, I-80, I-90 impacted.
— Portions of central OK; parts of west TX and the TX Hill Country: Dense Fog Advisories this morning. I-10, I-20, I-27, I-35, I-44, US-67, US-83, US-190, US-277 impacted.
— Southern and southeast TX; central and southern LA, MS, AL; FL Panhandle: Dense Fog Advisories through late this morning. I-2, I-10, I-12, I-20, I-22, I-37, I-45, I-49, I-55, I-59, I-65, I-69E, I-85 impacted.
Weather Impacts Eastern Time Zone:
— MI Upper Peninsula: Winter Weather Advisories this evening through midday Friday. Mixed precipitation expected. Total snow and sleet accumulations of 1 to 2 inches, but up to 4 inches in northern Houghton County. Increasing ice accumulations up to 0.1 inch to the south. Snow accumulations increase to 3-7 inches on the eastern UP. I-75, US-2, US-41, US-45 impacted.
— Central and southern IN; central and southwest OH: Dense Fog Advisories through late this morning. I-64 I-65, I-69, I-70, I-71, I-74, I-75 impacted.
— Western ME; northern NH: Strong winds this evening and tonight. Wind gusts to 45 mph. I-93, I-95, US-2, US-3, US-201 impacted.
— Much of PA; far-west MD; NY Southern-tier, Catskill Mountains and lower Hudson Valley; western Long Island; southwest CT; northern and central NJ: Winter Storm Watches Friday through Saturday morning. Heavy mixed precipitation possible. Total snow and sleet accumulations up to two inches and ice accumulations between one tenth and three tenths of an inch possible in the west. NY (including NYC), northeast PA and NJ may see 5-9 inches of snow. I-68, I-70, I-76, I-78, I-80, I-81, I-83, I-84, I-87, I-88, I-95, I-99, US-6, US-11, US-15, US-22, NY Thruway, PA and NJ Turnpikes, Garden State Parkway impacted.
— FL Panhandle: Dense Fog Advisories this morning. I-10, US-98 impacted.
“Love the forecast? Now plan your safest route.” RV Weather’s daily forecasts keep you informed — but our SureRoute subscription gives you personalized, RV-safe routes that avoid dangerous weather and delays.
Looking for real-time road conditions? Here’s a link, courtesy of the Federal Highway Administration, to all the individual State 511 websites.
Selected travel-relevant Weather Graphics
Graphics for Today
Current Severe Thunderstorm and Tornado Watches from the National Weather Service Storm Prediction Center
Hail Size Forecast for today and tomorrow
Wildfire Smoke Forecast for today and tomorrow
Graphics for Tomorrow
National Weather Map for the Day after Tomorrow
Three-day Summaries
Day 3 – Day 7 U.S. Significant Weather Outlook
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:
Thank you for using RVWeather.