Planning to travel this week? Here’s what could impact your route.
- Damaging winds with gusts 50-60 mph, and coastal flooding threaten the Mid-Atlantic and Northeast into Sunday, with 2–4 feet of inundation in parts of Virginia, North Carolina and southern New England.
- Life-threatening flash flooding is occurring or expected in parts of south-central and southeastern New Mexico early today; broader flooding extends into Far West Texas.
- Parts of the Northwest face strong winds today into early Saturday, with gusts to 70 mph in northern Montana and blowing dust below one-mile visibility in eastern Washington and northwestern Idaho.
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Significant travel weather for the next 2-3 days.
Weather Impacts Pacific:
— Central, south-central, east-central and southeastern Washington, north-central, northeastern and central Oregon, and northwestern Idaho, including Spokane, the Columbia Basin, Yakima Valley, Columbia River Gorge, Blue Mountain foothills, Palouse and Central Oregon: Wind Advisories cover the region today. Southwest to west winds of 20 to 35 mph will gust to 55 mph in the Columbia Basin, Gorge and Blue Mountain foothills, while Spokane, the Palouse, northwestern Idaho and Central Oregon see gusts near 40 to 45 mph; blowing dust may reduce visibility below one mile in eastern Washington and northwestern Idaho. Routes potentially affected: I-82, I-84, I-90, US-2, US-12, US-20, US-26, US-95, US-97, US-395.
— Western Washington and northwestern Oregon, including Portland and Vancouver, the lower Columbia River, Grays Harbor coast, Olympia and southern Puget Sound, Southern Hood Canal, Port Townsend, Island County, the Strait of Juan de Fuca and northern Washington coast: Wind Advisories are in effect today. Portland-area and lower Columbia winds gust to 45 mph through late morning; western Washington gusts reach 45 to 50 mph through afternoon or evening, with the strongest coastal and Strait winds capable of downing limbs and causing scattered power outages. Routes potentially affected: I-5, I-84, US-12, US-26, US-101.
— Western Nevada, including the West Humboldt and Lahontan basins and the northern and the southern Sierra Front: Red Flag Warnings are in effect from noon through late this evening. Southwest to west winds will gust to 40 mph in the West Humboldt and Lahontan basins and 45 mph along the Sierra Front, with afternoon humidity as low as 12 to 17 percent supporting rapid fire growth. Routes potentially affected: I-80, US-6, US-50, US-95, US-395, CA-4, CA-89.
Weather Impacts Mountain:
— South-central and southeastern New Mexico, including Otero, Eddy and Chaves counties, the Sacramento Mountains, Mayhill, Sunspot, Artesia and Roswell: FLASH FLOOD WARNINGS continue early this morning. Life-threatening flooding is occurring or expected in Otero and Chaves counties, with water affecting creeks, streets, highways and underpasses; Otero County rainfall rates have reached 0.5 to 1 inch per hour, while 0.5 to 1 inch has fallen in warned parts of Eddy and Chaves counties. Routes potentially affected: US-54, US-70, US-82, US-285, US-380.
— Northern and western Montana, including the Northern and Southern High Plains, eastern Glacier area, Kootenai and Cabinet region, and Flathead and Mission valleys: A High Wind Warning begins late today on the northern Montana High Plains, where west winds of 30 to 50 mph may gust to 70 mph through early Saturday morning. A Wind Advisory covers the Kootenai, Cabinet, Flathead and Mission areas this afternoon and evening with gusts around 40 mph, including higher terrain. Routes potentially affected: I-15, US-2, US-89, US-93, US-287.
— Central, east-central, south-central and southeastern New Mexico, including Chaves, Curry, Lincoln, Otero and Roosevelt counties, and a small portion of Far West Texas in Hudspeth County: Flood Warnings remain in effect today. Two to four inches has fallen from the Roswell area toward Clovis and Portales, with another 1 to 2 inches possible and low-water crossings inundated; a dangerous flood wave continues down the Rio Hondo, while 1 to 2 inches of recent rain is flooding rural washes near the New Mexico–Texas line. Routes potentially affected: US-60, US-62, US-70, US-82, US-84, US-180, US-285, US-380.
— Central, east-central, south-central and southeastern New Mexico and Far West Texas, including the South Central and Sacramento mountains, Mesilla Valley, Otero Mesa, Tularosa Basin, Chaves County plains, Guadalupe Mountains and Davis Mountains: Flood Watches continue through early morning across saturated parts of New Mexico and Far West Texas, where additional storms can quickly flood streams, urban areas and low-water crossings. A flash-flood threat remains today in southeastern New Mexico, where localized additional totals of 1 to 2 inches are possible. Routes potentially affected: I-10, I-20, I-25, I-40, US-54, US-60, US-62, US-67, US-70, US-82, US-84, US-90, US-180, US-285, US-380.
Weather Impacts Central:
— Far West Texas, including El Paso and Hudspeth counties, the Hueco Mountains, Salt Basin and Rio Grande Valley: Flash Flood and Flood Warnings continue early today in El Paso and Hudspeth counties. One to 1.5 inches has fallen near Tornillo, while 2 to 3 inches has fallen farther north and east, leaving flooding on roads and in low-lying areas; the broader Flood Watch continues through early this morning over saturated far-West Texas. Routes potentially affected: I-10, US-54, US-62, US-180.
— Much of central and eastern North Dakota, northwestern and a small portion of east-central Minnesota, central and northern South Dakota, and a small portion of northwestern Wisconsin, including the James River and St. Louis River valleys: Dense Fog Advisories cover much of the northern Plains and parts of the western Great Lakes this morning. Visibility is one-quarter mile or less across North Dakota, South Dakota and northwestern Minnesota this morning, and one-quarter to one-half mile near the St. Louis River Valley in Minnesota and Wisconsin early this morning. Routes potentially affected: I-29, I-35, I-94, US-2, US-12, US-14, US-52, US-53, US-59, US-83, US-212, US-281, MN-61.
— Central and eastern Kansas, central and southwestern Oklahoma, and the Texas Panhandle, South Plains and Permian Basin: Isolated severe thunderstorms are possible across the region Saturday. A few strong to severe storms may produce isolated damaging winds and hail during the afternoon and evening. Routes potentially affected: I-20, I-27, I-35, I-40, I-70, US-36, US-50, US-54, US-56, US-59, US-60, US-62, US-64, US-70, US-77, US-82, US-83, US-84, US-87, US-180, US-183, US-283, US-287, US-380, US-385, US-400, US-412.
— Western Oklahoma Panhandle and the northwestern Texas Panhandle: A Flood Watch remains in effect through early this morning for the western and central Oklahoma Panhandle and northwestern Texas Panhandle, where repeated heavy rain may produce localized flooding and flash flooding. Routes potentially affected: US-54, US-56, US-64, US-87, US-287, US-385, US-412.
— Southwestern Texas Panhandle, South Plains and Permian Basin: A flash-flood threat continues today, with localized 1 to 2 inch amounts capable of producing flash flooding, especially where soils are already wet or drainage is poor. Routes potentially affected: I-10, I-20, I-27, I-40, US-60, US-62, US-67, US-70, US-82, US-84, US-87, US-90, US-180, US-285, US-380, US-385.
— Lake County, Illinois, along the Des Plaines River near Russell and Gurnee: Flood Warnings continue on the Des Plaines River. Moderate flooding is occurring near Russell with residential and industrial areas threatened, while minor flooding near Gurnee is forecast to recede below flood stage Sunday evening. Routes potentially affected: I-41, I-94.
Weather Impacts East:
— East-central and southeastern Indiana, south-central and southwestern Ohio, northern, eastern and south-central Kentucky, western and central West Virginia, and a small portion of southwestern Virginia: Areas of fog, locally dense in river and mountain valleys, continue through shortly after daybreak. Visibility may fall below one-half mile across eastern and south-central Kentucky, northeastern Kentucky, western and central West Virginia and western Virginia, with rapid visibility changes also possible in Indiana and Ohio. Routes potentially affected: I-64, I-71, I-74, I-75, I-77, I-79.
— Coastal portions of southwestern Maine and coastal New Hampshire: A Coastal Flood Watch covers Saturday morning through Sunday afternoon. Minor coastal flooding and beach erosion are possible, while 7- to 12-foot breaking waves and a high rip-current risk continue from today through Sunday. Routes potentially affected: I-95, US-1, US-4.
— Much of Massachusetts, Rhode Island, and central and eastern Connecticut: High Wind Warnings cover coastal central and eastern Massachusetts and much of Rhode Island from today into early Sunday, with gusts up to 60 mph capable of downing trees and power lines. Wind Advisories farther inland across Massachusetts, northern Rhode Island and Connecticut carry gusts of 35 to 50 mph. Routes potentially affected: I-84, I-90, I-91, I-93, I-95, US-1, US-6, US-7, US-44, US-202, CT-2.
— Coastal Massachusetts and coastal portions of central and southern Rhode Island, including Boston Harbor, the South Shore, Cape Cod, the Islands and Block Island: A Coastal Flood Warning begins late today along eastern Massachusetts, with up to one foot of inundation, pockets of moderate flooding and 6- to 13-foot surf through Sunday. A Coastal Flood Advisory covers southern Massachusetts and central and southern Rhode Island, where up to one foot of inundation may briefly flood immediate coastal roads. Routes potentially affected: I-90, I-93, I-95, US-6.
— Coastal portions of central and eastern Massachusetts and eastern Connecticut, Rhode Island, and Long Island in New York: A flash-flood threat Saturday covers coastal central and eastern Massachusetts, most of Rhode Island, coastal eastern Connecticut and Long Island, with widespread 1 to 3 inch totals and urban or poor-drainage flooding possible. Sunday, the flash-flood threat remains over coastal central and eastern Massachusetts and Rhode Island as the nor’easter lingers. Routes potentially affected: I-90, I-93, I-95, US-1, US-3, US-6, US-44, CT-2.
— Coastal portions of central and southern Connecticut, the Lower Hudson Valley, New York City and Long Island in New York, and coastal portions of northern New Jersey: Wind Advisories begin this afternoon and continue through early Sunday morning. North winds of 20 to 25 mph may gust to 55 mph, bringing down some tree limbs and causing scattered power outages. Routes potentially affected: I-78, I-80, I-84, I-87, I-91, I-95.
— Coastal southern Connecticut, a small portion of Downstate New York including New York City and the lower Hudson River, and coastal eastern and northeastern New Jersey: Coastal Flood Warnings begin this evening in southern Fairfield and New Haven counties in Connecticut and adjacent Downstate New York, where 2 to 3 feet of inundation will flood waterfront roads and extend inland along tidal rivers through Sunday. Advisories elsewhere around New York Harbor and eastern Connecticut call for 1 to 2 feet, while minor to locally moderate tidal flooding continues along the lower Hudson River. Routes potentially affected: I-87, I-91, I-95, US-7.
— Much of New Jersey, southeastern Pennsylvania, and Delaware, with the strongest winds along coastal central and southern New Jersey and eastern Delaware: A Wind Advisory along the New Jersey and Delaware coasts brings gusts to 45 mph through this evening, followed by a High Wind Warning through early Sunday with gusts to 60 mph and possible tree and power-line damage. Inland Wind Advisories begin this evening, with gusts of 45 to 50 mph across New Jersey, southeastern Pennsylvania and Delaware. Routes potentially affected: I-76, I-78, I-80, I-95, US-9, US-13, US-30, US-40, US-113, US-202, US-322, US-422, DE-1.
— Western, central and southern New Jersey, southeastern Pennsylvania, and central and northern Delaware: Coastal Flood Advisories continue into early Sunday. One to two feet of inundation is expected along tidal waterways in Salem County, New Jersey, and New Castle County, Delaware; up to one foot is expected around Philadelphia, Lower Bucks County and adjacent central and southern New Jersey, with vulnerable roads subject to flooding.
— Eastern Maryland and coastal portions of eastern Virginia, including the Maryland Beaches, inland Worcester, Dorchester, Wicomico and Somerset counties, and Accomack and Northampton counties: Coastal Flood Warnings continue into early Sunday. One to two feet of inundation will flood numerous roads and extend inland along tidal rivers and bays; the Maryland Beaches and Virginia Eastern Shore also face 8- to 12-foot surf and dangerous rip currents. Routes potentially affected: US-13, US-50.
— Central and eastern Maryland, including Queen Anne’s, Talbot, Caroline and Anne Arundel counties, and northern Virginia around Arlington and Alexandria: Coastal Flood Advisories cover several Chesapeake and Potomac shoreline areas today. Up to one-half foot of inundation is expected this morning in Queen Anne’s, Talbot and Caroline counties, while up to one foot may flood low spots around Annapolis through evening and approach curbs along Alexandria’s waterfront through 10 PM.
— Central and southern New Jersey and central and southern Delaware, including Middlesex, Monmouth, Ocean, Atlantic, Cape May and southeastern Burlington counties, the Delaware Beaches, Kent and inland Sussex: Coastal Flood Warnings continue through Saturday afternoon. One to two feet of inundation will cause widespread roadway flooding in coastal, bayside and tidal-waterway communities; the Atlantic coast and Delaware Beaches also face waves up to 12 feet, significant beach erosion and possible dune breaches. Routes potentially affected: I-95, US-9, US-13, US-40, US-113, DE-1.
— Eastern Virginia, including Virginia Beach; Chesapeake, Hampton/Poquoson, Suffolk, Norfolk and Portsmouth; and waterfront communities from Newport News and James City north through Gloucester, Mathews, Lancaster and Westmoreland: Coastal Flood Warnings continue through Saturday. Two to three feet of inundation will cause widespread waterfront and tidal-river flooding, numerous road closures and flooding of vehicles and low-lying property; Virginia Beach also faces 8- to 12-foot surf and a high rip-current risk. Routes potentially affected: I-64, I-85, I-95, US-13, US-17, US-58, US-60, US-360, US-460.
— Coastal portions of eastern North Carolina, including Eastern Currituck, the Northern Outer Banks and Hatteras Island: Coastal Flood Warnings cover Hatteras Island and Eastern Currituck, with 2 to 4 feet of inundation on Hatteras and 2 to 3 feet in Currituck; a Coastal Flood Advisory calls for 1 to 3 feet on the Northern Outer Banks. Waves of 10 to 15 feet, dune erosion and north-wind gusts to 50 mph continue today. Routes potentially affected: US-64, US-158, US-264, NC-12.
— Coastal portions of eastern North Carolina, including Wilmington, the southern Pamlico Sound and lower Neuse River: Coastal Flood Advisories continue through late morning. Up to one-half foot of water may cover low spots in Wilmington and New Hanover County, while 1 to 2 feet is possible along southern Pamlico Sound, Core Sound, the lower Neuse River and adjacent tidal creeks, flooding some roads, lots and waterfront property.
— Coastal South Carolina, coastal southeastern Georgia, and the northern Florida Peninsula through coastal Volusia, including Horry, Georgetown, Charleston and Colleton counties: Coastal Flood Advisories cover the coast this morning. Up to one-half foot of inundation may flood vulnerable roads and causeways in South Carolina, while minor flooding is expected on southeastern Georgia and northern Florida beaches; breaking waves of 4 to 9 feet, rip currents and localized beach erosion accompany the Florida and Georgia threat.
— Northeastern Florida, including coastal Duval County and the St. Johns River Basin through eastern Clay, eastern Putnam, southern Duval and western St. Johns counties: Coastal Flood Advisories continue through 8 AM Saturday. Minor flooding may affect lots, parks and roads along coastal Duval County and the St. Johns River Basin, with 6- to 9-foot breakers, dangerous rip currents and localized beach erosion along the Duval coast.
— West-central Florida, including Citrus, Levy and Marion counties along the Withlacoochee River near Dunnellon: A Flood Warning remains in effect until further notice. Minor flooding is forecast along the Withlacoochee River near Dunnellon, where high water is affecting docks and boat ramps and additional rises are possible. Routes potentially affected: US-41.
Tropical Weather Outlook for the next 7 days:
— The central Atlantic west-southwest of the Azores and the eastern Atlantic near the Cabo Verde Islands: Tropical Storm Fay has 50 mph winds and is moving west at 6 mph, with brief strengthening possible before weakening this weekend. Tropical Storm Gonzalo has 45 mph winds and will pass near or over parts of Cabo Verde today and tonight, bringing tropical-storm conditions, heavy rain, flash-flood potential and hazardous surf.
— The eastern Pacific west of Mexico and Baja California: Category 5 Hurricane Polo has 160 mph winds south-southwest of Cabo Corrientes and is forecast to turn north this weekend, approach Baja California Sur Monday and later cross into mainland Mexico. Category 3 Hurricane Odalys, far west-southwest of southern Baja California, has 115 mph winds and should weaken this weekend; moisture from both systems may indirectly increase Southwestern U.S. heavy-rain and flash-flood concerns.
Extended Hazard Outlook
Outlook Sunday, September 27th through Wednesday, September 30th:
— Sunday, September 27: Much of New Hampshire, southwestern Maine, most of Massachusetts and Rhode Island, and northeastern Connecticut: Heavy rain may create localized flooding and difficult travel. Major highways potentially affected include I-84, I-90, and I-95.
— Sunday, September 27: Southeastern New Hampshire, southwestern Maine, and much of Massachusetts, Rhode Island, and Connecticut: High winds may create hazardous crosswinds for high-profile vehicles. Major highways potentially affected include I-84, I-90, I-91, and I-95.
— Monday, September 28 through Tuesday, September 29: Southeastern Utah, most of Arizona and New Mexico, western and southeastern Colorado, and western Texas into northwestern Oklahoma: Heavy rain may create localized flooding and difficult travel. The southeastern Colorado and northwestern Oklahoma portion is limited to Tuesday, September 29. Major highways potentially affected include I-8, I-10, I-25, I-40, and I-70.
— Monday, September 28: Much of North Dakota, northeastern South Dakota, and northwestern Minnesota: Heavy rain may create localized flooding and difficult travel. Major highways potentially affected include I-29 and I-94.
— Tuesday, September 29: Central and southern Plains through the mid-Mississippi Valley and Upper Midwest: Heavy rain may create localized flooding and difficult travel. Major highways potentially affected include I-20, I-29, I-30, I-35, I-40, I-64, I-70, I-74, I-80, I-90, and I-94.
— Wednesday, September 30: Southern Plains through the lower and mid-Mississippi valleys into Tennessee and the lower Ohio Valley: Heavy rain may create localized flooding and difficult travel. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55, I-64, and I-70.
Extended Outlook Friday, October 2nd through Monday, October 5th:
— Friday, October 2 through Sunday, October 4: Western Oregon and much of northwestern California: High winds may develop, creating hazardous crosswinds for high-profile vehicles. Major highways potentially affected include I-5 and I-80.
— Friday, October 2 through Monday, October 5: From Texas and southeastern Oklahoma through the Mississippi Valley and Southeast to Florida and the Carolinas: Heavy precipitation may develop, possibly causing localized flooding and difficult travel. Major highways potentially affected include I-4, I-10, I-20, I-30, I-40, I-55, I-65, I-74, I-75, I-81, I-85, I-87, and I-95.
Confidence in the Extended Outlook:
Confidence is generally good for the earlier period’s large-scale pattern and hazard development, though exact details remain uncertain. Confidence decreases to average later in the outlook, with good overall agreement offset by continued model differences.
Looking for real-time road conditions? Here’s a link, courtesy of the Federal Highway Administration, to all the individual State 511 websites.
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Weather Maps and National Outlooks
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