Essential Travel Weather Updates for Your Journey Today

Planning to travel today or this week? Here’s what could impact your route.

** Heads Up ** Strong to intense tornadoes and very large hail expected Monday evening and Monday night across eastern Kansas, southeast Nebraska, and into central Iowa. If you are in the Wichita — Omaha — Des Moines area, make sure you have access to a sturdy storm shelter Monday night
Winter driving conditions starting this evening and continuing Monday for much of Wyoming high terrain.
High winds today and tonight across the Great Basin.

Your route’s weather may vary from the general forecast — check your exact trip

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Significant travel weather for the next 2-3 days.

NEW: Extended forecast for the next 2 weeks now included!

Weather Impacts Pacific:

— Southeastern Oregon, southwest Idaho, eastern California, northern Nevada: Wind Advisories begin late this morning and continue through late tonight, with winds 20 to 35 mph, gusts up to 50 to 55 mph, and blowing dust reducing visibility to one mile or less in spots. Expect difficult travel for RVs and trailers across Mono County, Mineral and Lyon Counties, northern Nevada, the Treasure Valley, Owyhee Mountains, Harney County, Baker County, and Malheur County. I-80, I-84, US-6, US-20, US-26, US-50, US-93, US-95, US-395 impacted.

— Northern California valleys, Delta, foothills, and Bay Area hills: Red Flag Warnings and Wind Advisories continue through Monday evening, with winds 15 to 30 mph and gusts 35 to 60 mph. Dry winds may spread fires quickly while crosswinds make RV handling more difficult in the Sacramento Valley, Delta, North Bay Interior Mountains, Santa Cruz Mountains, Eastern Santa Clara Hills, and East Bay Hills. I-5, I-80, US-50, CA-4, CA-29, CA-36, CA-70, CA-99, CA-162, CA-299 impacted.

— North Bay Interior Valleys: Coastal Flood Advisory through Tuesday morning, with valley flooding concerns near vulnerable low-lying areas.

— Southern California deserts, passes, and adjacent southern Nevada: High Wind Warnings and Advisories continue through late tonight in some areas and expand this afternoon through Monday morning in others, with winds 25 to 45 mph, gusts 50 to 70 mph, and reduced visibility in blowing dust. Expect hazardous crosswinds for high-profile vehicles, difficult towing, and rapidly changing visibility near the Mojave Desert Slopes, Death Valley, Owens Valley, Las Vegas Valley, San Gorgonio Pass, Cajon-area desert routes, and the Colorado River Valley. I-8, I-10, I-11, I-15, I-40, US-6, US-93, US-95, US-395 impacted.

— Southern California coastal mountains, Antelope Valley, and I-5 corridor: High Wind Warnings and Advisories late morning into late tonight, with winds 25 to 50 mph and gusts up to 60 mph. RVs and trailers should expect hazardous crosswinds and difficult travel through the Santa Barbara County mountains, Santa Ynez Mountains, Ventura County mountains, Antelope Valley, and the I-5 corridor. I-5, US-101, CA-14, CA-138 impacted.

Weather Impacts Mountain:

— Idaho Snake River Plain and Magic Valley: Freeze Warning Monday morning in the Western Magic Valley, Lower Snake River Plain, Shoshone/Lava Beds, Arco/Mud Lake Desert, Upper Snake River Plain, and Eastern Magic Valley. Cold valley temperatures may affect early-morning travel planning and campground setups.

— Montana mountain passes and foothills above 5000 feet: Winter Weather Advisories continue through midday Monday with up to 10 inches of snow, locally up to 12 inches over the highest peaks, gusts 35 to 50 mph, blowing snow, poor visibility, and slick roads. Marias Pass, Homestake Pass, Lolo Pass, MacDonald Pass, Lost Trail Pass, Georgetown Lake, Glacier National Park higher terrain, Red Lodge foothills, Beartooth foothills, Pryor Mountains, and Bighorn Mountains may have slower or difficult travel. I-15, I-90, US-2, US-12, US-14, US-89, US-191, US-212 impacted.

— Wyoming mountains, basins, and I-80 corridor: Winter Storm Warnings and Advisories begin early evening and continue through Monday evening, with up to 18 inches of snow depending on location, gusts 35 to 60 mph, blowing or drifting snow, and snowpacked or slick travel over higher terrain. South Pass, Arlington and Elk Mountain along I-80, Powder River Pass, Wind River Mountains, Green Mountains, Rattlesnake Range, South Laramie Range, Bighorn Mountains, Cody foothills, Wind River Basin, Upper Green River Basin, Rock Springs, Green River, and Flaming Gorge may see difficult RV travel and slower mountain-pass travel. I-25, I-80, I-90, US-14, US-16, US-20, US-26, US-30, US-189, US-191, US-212, US-287 impacted.

— Much of Colorado, adjacent southeastern Wyoming, and east-central Utah: Severe thunderstorms are possible this afternoon into tonight, with locally supported damaging wind, large hail, and tornado potential. The greatest risk of severe weather will be across northeastern Colorado. I-25, I-70, I-76, I-80, US-6, US-24, US-26, US-30, US-34, US-36, US-40, US-50, US-85, US-191, US-285, US-287, US-385, US-491, US-550 potentially impacted.

— Utah Uintas and Colorado mountains above 9000 feet: Winter Weather Advisories begin Monday morning and continue through Tuesday morning, with up to 15 inches above 9000 feet in Colorado, 6 to 14 inches in the western Uintas and southwest Wyoming, and 6 to 12 inches above 8500 feet in the eastern Uintas. Expect slick roads, snowpacked higher passes, slower travel, and difficult towing through the Uinta Mountains, Medicine Bow Range, Summit County mountains, Mosquito Range, and Indian Peaks. I-70, I-80, US-34, US-40, US-189, US-191, US-285 impacted.

— Arizona, New Mexico, far west Texas, southern Colorado, and southern Utah: Red Flag Warnings and Wind Advisories begin late this morning and continue through Monday morning, with winds 15 to 30 mph and gusts 40 to 60 mph. Dry winds and wildfire spread risk combine with hazardous crosswinds across the Grand Canyon region, Mogollon Rim, White Mountains, southeast Arizona mountains above 5500 feet, central and eastern New Mexico, Guadalupe Mountains above 7000 feet, southern Colorado Front Range, Sangre de Cristo Mountains, Wet Mountains, La Veta Pass, and El Paso area. I-10, I-15, I-17, I-19, I-25, I-40, US-54, US-60, US-62, US-70, US-82, US-85, US-87, US-89, US-160, US-180, US-191, US-285, US-287, US-380, US-385, US-491, US-550 impacted.

Weather Impacts Central:

— Kansas, Nebraska, Iowa, Wisconsin, much of Minnesota, southeast South Dakota, western Missouri, much of Oklahoma, northern Texas, and northern Illinois: Severe thunderstorms are expected this afternoon into tonight, with supercells capable of very large hail and strong tornadoes before storm clusters increase wind-damage potential by evening. The greatest risk of severe weather will be across western Iowa, southwestern Minnesota, southeastern South Dakota, much of Nebraska, and northern Kansas. I-20, I-29, I-35, I-35E, I-35W, I-39, I-40, I-41, I-43, I-44, I-49, I-70, I-74, I-76, I-80, I-88, I-90, I-94 potentially impacted.

— Wisconsin, parts of Minnesota, Iowa, eastern Nebraska, Illinois, Missouri, much of Kansas, western Kentucky, parts of Arkansas, Oklahoma, and north-central and northeast Texas: Numerous organized severe thunderstorms are expected Monday afternoon into Monday night along a cold front and dryline, with supercells capable of damaging wind, very large hail, and strong to intense tornadoes. The greatest risk of severe weather will be across central eastern Kansas, southeast Nebraska, and southwest Iowa. I-20, I-24, I-29, I-30, I-35, I-35E, I-35W, I-39, I-40, I-41, I-43, I-44, I-45, I-49, I-55, I-57, I-64, I-69, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Parts of southern Minnesota, western Wisconsin, Iowa, eastern Nebraska, northwest Illinois, northern Missouri, and central and eastern Kansas: Flash flooding is possible Monday into early Tuesday as a strong system interacts with Gulf moisture and produces renewed lines of showers and storms. I-29, I-35, I-35E, I-35W, I-39, I-41, I-43, I-44, I-49, I-55, I-57, I-64, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Illinois, much of Missouri, western Kentucky, western Tennessee, eastern Oklahoma, Arkansas, northern Mississippi, and central and northeastern Texas: Widely scattered severe thunderstorms are possible Tuesday afternoon into Tuesday night along a cold front, with damaging wind and hail the primary concerns. I-10, I-14, I-20, I-22, I-24, I-30, I-35, I-39, I-40, I-41, I-43, I-44, I-45, I-49, I-55, I-57, I-64, I-65, I-69, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Much of Kansas and adjacent south-central Nebraska, northern and western Oklahoma, the Texas Panhandle, and northwest Texas: Red Flag Warnings and Wind Advisories begin this morning and continue through late evening, with winds 20 to 35 mph and gusts 35 to 50 mph. Dry winds, wildfire spread risk, and difficult crosswinds may affect RV handling. I-27, I-35, I-40, I-70, US-50, US-54, US-56, US-60, US-64, US-77, US-83, US-87, US-287, US-385, US-400 impacted.

— South-central Iowa and northern Missouri: Flood Watch this morning in southern Iowa and through Tuesday morning in northern Missouri, with excessive rainfall and flash flooding possible. Expect high water in low-lying areas and reduced route flexibility where smaller roads or low crossings flood. I-29, I-35, US-34, US-36, US-65, US-69 potentially impacted.

— North-central Missouri: Flood Warning through midday and another Flood Warning beginning late this morning through Monday evening, with flooding occurring or forecast, including rainfall totals of 3 to 8 inches and moderate flooding forecast on the Grand River near Chillicothe. High water may affect low-lying roads, river crossings, and campground access. Roads near I-35, US-36, US-65 may be impacted.

— Southern Louisiana and far southern Mississippi: Flood Warning through early to late evening along the Vermilion River near Lafayette and the Pearl River near Pearl River, with minor flooding occurring or forecast. Expect high water near rivers, low spots, and access roads. Roads near I-10, I-49, I-59, US-90, US-167 may be impacted.

Weather Impacts Eastern:

— Michigan: A few severe thunderstorms are possible this afternoon into tonight, with isolated tornado, hail, or damaging wind potential locally supported. Conditions may deteriorate quickly under stronger cells. I-69, I-75, I-94, I-96, US-2, US-8, US-10, US-23, US-31, US-41, US-45, US-51, US-127, US-131, US-141 potentially impacted.

— Michigan, Indiana, and western Ohio: Scattered severe thunderstorms are possible Monday afternoon into Monday night, with damaging wind, large hail, and some tornado potential. The greatest risk of severe weather will be across Michigan and northern Indiana. I-57, I-64, I-65, I-69, I-70, I-74, I-75, I-80, I-90, I-94, I-96 potentially impacted.

— Michigan Lower Peninsula, most of Indiana and Ohio, western New York and northwestern Pennsylvania, western Kentucky: Scattered severe thunderstorms are possible Tuesday afternoon into Tuesday night, with damaging wind and hail the primary concerns. I-57, I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-79, I-80, I-81, I-86, I-90, I-94, I-96 potentially impacted.

— Eastern Tennessee, southwestern North Carolina, northwestern South Carolina, most of Georgia, and much of Florida Peninsula: A few severe thunderstorms are possible this afternoon into tonight, with isolated hail and damaging wind potential. I-4, I-10, I-16, I-20, I-24, I-26, I-40, I-59, I-75, I-81, I-85, I-95 potentially impacted.

— Jefferson County, New York near Lake Ontario and near the Saint Lawrence River: Patchy dense fog continues through late morning, with rapid visibility changes possible near the Lake Ontario shore northeastward toward the Saint Lawrence River. I-81, US-11 impacted.

— Coastal South Carolina and the lower Cape Fear River in North Carolina: Coastal Flood Advisory begins early evening and continues through Monday morning, with up to one foot of inundation in low-lying coastal South Carolina areas and up to one half foot near the lower Cape Fear River including downtown Wilmington.

Outlook through Friday May 23rd:

— Tuesday, May 19: portions of southeastern Wyoming, northeastern Colorado, southwestern South Dakota, and northwestern Nebraska: Frost or freeze concerns may create challenging conditions for early season RVers. Major highways potentially affected include I-25, I-70, I-76, I-80.

— Tuesday, May 19: portions of southern Texas: Heat concerns may create challenging conditions. Major highways potentially affected include I-35.

— Tuesday, May 19: from Oklahoma and Texas into the Lower Mississippi Valley and portions of the Mid-Mississippi Valley: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55, I-64, I-70.

— Tuesday, May 19: from the Ohio Valley and central Appalachians into the Mid-Atlantic and Northeast, including New York City: Heat concerns may create challenging conditions. Major highways potentially affected include I-64, I-70, I-71, I-76, I-79, I-80, I-81, I-84, I-87, I-95.

— Tuesday, May 19 through Wednesday, May 20: much of Montana and Wyoming into portions of the northern Plains: Frost or freeze concerns may create challenging conditions for early season RVers. Major highways potentially affected include I-15, I-25, I-90, I-94.

— Wednesday, May 20: from the northern Plains into the Upper Midwest and northwestern Great Lakes: Frost or freeze concerns may create challenging conditions for early season RVers. Major highways potentially affected include I-29, I-35, I-90, I-94.

— Wednesday, May 20 through Friday, May 22: from Oklahoma and Texas into the Lower Mississippi Valley and Tennessee Valley: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55, I-65.

— Thursday, May 21: portions of the Carolinas, Virginia, the central Appalachians, and the Mid-Atlantic: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-40, I-64, I-74, I-81, I-85, I-87, I-95.

Extended Outlook May 24th through May 30th:

— Sunday, May 24: much of Oklahoma, Texas, Arkansas, Louisiana, and Mississippi, plus small portions of southwestern Alabama: Heavy rain is likely, which may create localized flooding and reduced visibility. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55.

— Sunday, May 24 through Monday, May 25: from Oklahoma and Texas into the Lower Mississippi Valley, Tennessee Valley, and northwestern Florida: Heavy rain may develop, which could create localized flooding and reduced visibility. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55, I-65, I-85.

Forecast Confidence for the Extended Outlook:

Confidence is average to somewhat above average early in the outlook, with generally good large-scale agreement at the start. Confidence decreases later as the western U.S. and northern Plains pattern becomes more uncertain, and as the overall pattern turns more transitional.

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

Your route’s weather may vary from the general forecast — check your exact trip

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