Winter & winds in the West; flooding in NY; severe t'storms Central.

Eastern Kansas, southeast Iowa, Missouri, southern and eastern Wisconsin, and Illinois: Scattered severe thunderstorms are expected this afternoon into tonight with damaging winds, hail, and a tornado risk.
Western, central and northern New York: Flood Watch beginning this morning through Wednesday evening, as heavy rain and snowmelt raise the risk of high water and flooded low spots.
Southern California deserts and passes: Wind Advisory beginning this afternoon through Friday morning, expanding late tonight through Thursday morning, with gusts 50- 60 mph across the western Mojave and through the Coachella Valley, San Gorgonio Pass, Cajon Pass, and San Diego County deserts.

From the RV Mobile Command Center in Brunswick GA:

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:

— Oregon Cascades and adjacent passes: Winter Storm Watch beginning Wednesday morning through Thursday evening with heavy snow possible, totals generally 7 to 20 inches, and winds gusting 35 to 40 mph. Snow-covered passes and slower travel likely, especially across southern Oregon passes including Siskiyou Summit. I-5, US-20, US-26, US-97 impacted.

— Northern California mountains near Scott Mountain Pass: Winter Weather Advisory beginning Wednesday night through Thursday afternoon with 4 to 7 inches of snow and gusts up to 35 mph. Slick roads and slower travel over higher terrain. CA-3, CA-299 impacted.

— Northern Sierra and western Nevada: High Wind Watch beginning Wednesday evening through Thursday afternoon, alongside nearby Wind Advisory areas through Thursday morning and Thursday afternoon, with gusts 50 to 60 mph and locally 70 to 80 mph in wind-prone locations. Dangerous crosswinds and difficult travel for high-profile vehicles. I-80, US-395 impacted.

— Donner Pass and the Sierra crest: Winter Weather Advisory beginning Wednesday morning through Thursday morning with 5 to 10 inches of snow and very strong ridge-top winds, bringing snow-covered passes and hazardous mountain travel. I-80 impacted.

— Yosemite high country: Winter Weather Advisory beginning this morning through Wednesday morning with a 75 percent probability of 6 inches or more of snow and a 60 percent probability of gusts above 55 mph. Slick roads, reduced visibility, and slower mountain travel. US-6, US-395, CA-120 impacted.

— Southern California deserts and passes into southern Nevada: Wind Advisory beginning this afternoon through Wednesday morning with southwest winds 20 to 30 mph and gusts up to 50 mph, creating hazardous crosswinds for high-profile vehicles and blowing around unsecured objects. I-5, I-10, I-15, I-40, US-93, US-95, US-395 impacted.

— Southern California deserts and passes: Wind Advisory beginning this afternoon through Friday morning, expanding late tonight through Thursday morning, with the strongest winds 30 to 40 mph and gusts up to 60 mph across the western Mojave and gusts to 50 mph through the Coachella Valley, San Gorgonio Pass, Cajon Pass, and San Diego County deserts. Hazardous crosswinds for high-profile vehicles. I-8, I-10, I-15, I-40, and I-5 impacted.

Weather Impacts Mountain Time Zone:

— Southwest and central Montana mountains and passes: Winter Storm Watch beginning Thursday morning into Friday afternoon with heavy wet snow of 4 to 16 inches, highest at pass level and above, plus gusts up to 40 mph. Snow-covered passes and difficult mountain travel likely. I-15, I-90, US-87, US-89, US-191 impacted.

— South-central Montana foothills and nearby passes: Winter Weather Advisory through late Wednesday morning with 2 to 6 inches of snow and slick roads in periodic bursts of snow. Travel will be slower around Bozeman Pass, Pipestone Pass, and adjacent stretches of I-90 and I-94. I-90, I-94, US-12, US-89, US-191, US-212 impacted.

— Colorado and southeast Wyoming high country: Winter Weather Advisory beginning late evening through Wednesday night with 3 to 12 inches of snow and wind gusts 40 to 50 mph. Snow-covered passes, reduced visibility, and slower mountain travel likely, including Vail Pass and Sherman Summit. I-25, I-70, I-76, I-80, US-40, US-50 impacted.

— Northern Arizona high country: Wind Advisory beginning this afternoon through late tonight with southwest winds 15 to 25 mph and gusts 35 to 45 mph. Gusty crosswinds will make travel more difficult for high-profile vehicles. I-17 and I-40 impacted.

— Guadalupe Mountains of southeast New Mexico and west Texas: High Wind Watch beginning Wednesday midday through Thursday morning with west winds 30 to 50 mph and gusts up to 70 mph. Hazardous crosswinds for high-profile vehicles and difficult travel near exposed terrain. US-62 impacted.

Weather Impacts Central Time Zone:

— Northeast Minnesota into far northwest Wisconsin: Winter Weather Advisory through late evening with light snow and pockets of freezing rain producing up to a light glaze. Slick roads and slower travel are likely, especially this afternoon and evening. I-35, US-2, US-53, US-71 impacted.

— Western and north-central Nebraska: Red Flag Warning this morning with gusts up to 45 mph. Dry winds and wildfire risk may create dangerous fire-weather travel conditions. I-76, I-80, US-20, US-83 impacted.

— Eastern Nebraska: Wind Advisory beginning this morning through midday with north winds 20 to 30 mph and gusts up to 50 mph. Hazardous crosswinds for high-profile vehicles. I-29, I-70, I-80, US-20 impacted.

— Southeast Missouri into southern Illinois, southwest Indiana, and western Kentucky: Elevated fire danger through early evening with sustained winds 10 to 20 mph and gusts 25 to 35 mph over very dry fuels. Rapid fire spread may create localized travel problems. I-24, I-55, I-57, and I-64 impacted.

— Eastern Kansas, southeast Iowa, Missouri, southern and eastern Wisconsin, Illinois: Scattered severe thunderstorms are expected this afternoon into tonight with damaging winds, hail, and a tornado risk. I-35, I-39, I-41, I-43, I-44, I-55, I-57, I-72, and I-74, I-80, I-88, I-90 potentially impacted.

— Central and western Missouri, eastern Kansas, and southern Iowa: Heavy rain Wednesday into Wednesday night may lead to flash flooding and water over roads, especially in low-lying and poor-drainage areas. I-29, I-35, I-70, and I-80 impacted.

— Missouri, eastern Iowa, southern Wisconsin, Illinois: Scattered severe thunderstorms are expected Thursday afternoon into Thursday night with damaging winds, hail, and a tornado risk. I-35, I-39, I-41, I-43, I-55, I-57, I-74, I-80, I-88, I-90, I-94 impacted.

— North Texas, Oklahoma, Kansas, and western Missouri: Scattered severe thunderstorms are expected Wednesday afternoon into Wednesday night with damaging winds, hail, and a tornado risk. I-10, I-20, I-35, I-40, and I-44 potentially impacted.

Weather Impacts Eastern Time Zone:

— Northern and central Maine: Winter Weather Advisory beginning early evening through Wednesday morning with mixed precipitation, including 1 to 5 inches of snow and sleet and ice accumulations up to two tenths of an inch. Slick roads and slower travel are likely overnight into Wednesday morning. I-95, US-1, US-201 impacted.

— Northern New York: Winter Weather Advisory beginning late evening through Wednesday morning with freezing rain and light ice accretion. Slick roads and difficult travel are likely. I-87, US-11 impacted.

— Western, central and northern New York: Flood Watch beginning this morning through Wednesday evening, with one Flood Warning near Cortland beginning Wednesday morning through Thursday evening, as heavy rain and snowmelt raise the risk of high water and flooded low spots. Water may cover low-lying roads and river-adjacent routes. I-81, I-86, I-88, and I-90 impacted.

— Central and southern New York, northern Pennsylvania, northern Ohio, and southern Michigan: Heavy rain today into tonight may lead to flash flooding and high water over roads, especially where snowmelt adds runoff. I-79, I-80, I-86, and I-90 impacted.

— Central and northern Indiana, and southern Michigan: Scattered severe thunderstorms are expected Thursday afternoon into Thursday night with damaging winds, hail, and a tornado risk. I-65, I-69, I-74, I-80, I-94, and I-96 potentially impacted.

— Central and southern Ohio, central and southern Pennsylvania, West Virginia, and western Maryland: Isolated severe thunderstorms are possible Wednesday afternoon into Wednesday night with damaging winds and hail. I-68, I-70, I-76, I-77, I-79, and I-81 potentially impacted.

— The central Appalachians of western Maryland and eastern West Virginia: Gusty west to southwest winds through late morning with frequent 15 to 25 mph speeds and occasional 40 to 50 mph gusts near and above 3000 feet. Hazardous crosswinds are possible on exposed ridges. I-68 and I-70 impacted.

— Central and eastern North Carolina: Elevated fire danger through late evening, with patchy dense fog in southeastern North Carolina through late morning and gusty winds in parts of the coastal plain through early evening. Visibility may briefly drop to a quarter mile this morning. I-40, I-74, I-85, and I-95 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.