Winter Storms, Mixed Precip, and High Winds Across the Rockies and East

Winter Storm Warnings and Advisories: Snow of 3–9 inches and mixed precipitation may slow travel across interior New York and much of interior New England today and tonight.
Winter Weather Advisories: Snow, sleet and freezing rain with 1–5 inches of snow and up to 1/10th inch of ice may create hazardous travel through early afternoon across the Ohio Valley, central Appalachians and Mid-Atlantic highlands.
Winter Weather Advisories and Strong Winds: Snow ranging from 1–8 inches and wind gusts of 25–50 mph may impact travel today into tonight across the northern Rockies, central Rockies, southern Rockies and adjacent High Plains. Wind gusts to 70 mph on I-80 in southeast Wyoming.

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.

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Weather Impacts Pacific Time Zone:

— Western WA Northern Cascades above 4000 feet: Snow today. Around an inch of accumulation on Steven’s Pass. US-2 impacted.

— Southeast WA: Winter Weather Advisory this morning. 1-2 inches of snow. US-195 impacted.

— Northeast OR Blue Mountains. Snow above 4000 feet today. Up to an inch of snow on Deadman Pass (I-84). I-84 impacted.

— Central CA San Francisco East Bay; Monterey Bay: Coastal Flood Advisories through Sunday. Up to 1-2 feet of inundation above ground level is possible in low lying areas near shorelines and tidal waterways. Flooding of lots, parks, and roads with only isolated road closures expected.

— Central CA Delta Region: Strong winds Wednesday morning. Wind gusts 30-35 mph. I-80, I-505 impacted.

— Central CA Northern and Central Sierra Nevada Mountains: Strong winds Wednesday. Wind gusts 35-50 mph. I-80, US-50 impacted.

— Central CA San Joaquin Valley: Dense Fog Advisories through late this morning. From from Modesto to south of Bakersfield. I-5, CA-99 impacted.

— Southern CA Tejon Pass (Grapevine): Strong winds Wednesday afternoon through Thursday morning. Wind gusts to 45 mph. I-5 impacted.

— Southeast CA; adjacent southern NV, south of Las Vegas: Strong winds Wednesday through Thursday morning. Wind gusts to 40 mph. I-40, US-95 impacted.

Weather Impacts Mountain Time Zone:

— Northwest MT Rocky Mountain Front: Strong Winds Wednesday afternoon through Thursday night. Wind gusts to 60 mph Wednesday evening. US-2, US-89 impacted.

— Parts of central and northern ID; portions of central and western MT: Winter Weather Advisories today. Snow expected. Total snow accumulations will range from 1 to 2 inches across the lower elevations to 3 to 8 inches over the passes and higher terrain. Expect up to 5 inches of snow on Lookout Pass (I-90). I-15, I-90, US-2, US-12, US-20, US-87, US-89, US-93, US-191, US-287 impacted.

— Much of southern MT; north-central WY: Winter Weather Advisories today and tonight. Up to 4 inches of snow. Wind gusts to 30 mph. I-90, US-14, US-16, US-212 impacted.

— Central and south-central MT; western WY east of Yellowstone; much of southern WY; north-central CO: Strong winds continue today. Wind gusts 35-55 mph. Strongest winds this morning. I-15, I-25, I-70, I-80, I-90, US-12, US-14, US-16, US-20, US-26, US-30, US-34, US-36, US-40, US-64, US-160, US-191, US-212, US-285, US-287 impacted.

— West-central WY Teton and Gros Ventre Mountains: Winter Weather Advisory today and early tonight. Additional accumulations of 1-3 inches snow at lower elevations and up to 6 inches in the mountains. Wind gusts 25-35 mph this morning. US-26, US-89, WY-22 impacted.

— Southeast WY: High Wind Warnings today. Wind gusts 65-70 mph. I-25, I-80, US-287 impacted.

— South-central WY Sierra Madre and Snowy Mountains; parts of central and southwest CO: Winter Weather Advisories today and Wednesday. 4-8 inches of snow. Wind gusts to 50 mph. I-70, US-40, US-50, US-550 impacted.

— Central and south-central CO; north-central NM: Winter Weather Advisories Wednesday and Wednesday night. 2-5 inches of snow at lower elevations with 4-8 inches above 7500 feet. I-25, I-70, US-24, US-50, US-56, US-64, US-84, US-87, US-160, US-285, US-350 impacted.

— North-central, central, and east-central NM: Strong Winds today. Wind gusts 35-45 mph. I-25, I-40, US-54, US-60, US-64, US-70, US-84 impacted.

Weather Impacts Central Time Zone:

— Western ND and western SD: Strong winds late this morning through mid-afternoon. Wind gusts 35-40 mph. I-94, US-2, US-12, US-85 impacted.

— North-central IA: A fog bank has developed early this morning. A few locations within this fog bank are experiencing visibilities reduced to below a quarter of a mile, and with temperatures barely above zero, the fog may also cause light icing of some surfaces resulting in slick spots. I-35, US-20 impacted.

— Northeast IL and adjacent northwest IN: Areas of freezing fog will be possible this morning. The freezing fog may be locally dense, reducing visibility to one quarter mile or less in some areas. I-39, I-55, I-57, I-65, I-80, I-88, I-90, I-94, IN Toll Road impacted.

— Western TX Panhandle: Strong winds today. Wind gusts 35-40 mph. I-27, I-40 impacted.

Weather Impacts Eastern Time Zone:

— MI Upper Peninsula northern Keweenaw Peninsula: Winter Weather Advisory this morning. Up to 6 inches of additional snow, depending on the exact set-up of the lake effect snow band. US-41 potentially impacted.

— Southeast IN; OH; northern KY; WV; western VA; northwest NC; central and western MD; PA; northwest NJ: Winter Weather Advisories continue through early this afternoon. Northern locations will see 2-5 inches of snow. Southern and eastern locations will see a mix of snow, sleet and freezing rain, with 1-2 inches of snow and sleet and up to 1/10th of an inch of ice. I-26, I-40, I-64, I-65, I-69, I-70, I-71, I-75, I-76, I-77, I-78, I-79, I-80 I-81, I-83, I-84, I-99, I-287, PA and OH Turnpikes impacted.

— Most of NY; northwest CT; VT; NH; most of MA away from the coast; most of ME: Winter Storm Warnings (New England and eastern NY) and Advisories today and tonight. Snow accumulations will range from 3-6 inches in western NY to 6-9 inches in interior and northern New England. I-81, I-84, I-86, I-87, I-88, I-89, I-90, I-91, I-93, I-95, NY Thruway, Mass Pike impacted.

— Northern FL: Isolated severe thunderstorms are possible this morning. The stronger storms will be capable of producing locally damaging winds and perhaps a brief tornado. I-10, I-75, US-98 potentially impacted.

— Northeast FL: Intermittent patchy dense fog will occur early this morning with local visibilities of 1/2 mile or less. The nature of the fog is such that visibilities will vary greatly over short distances. I-10, I-75, I-95, US-17, US-301 impacted.

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Looking for real-time road conditions? Here’s a link, courtesy of the Federal Highway Administration, to all the individual State 511 websites.