RV Weather Road Trip Forecast for Tuesday May 19, 2026

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

Widely scattered severe thunderstorms today from Midland TX to Montpellier Vermont.
Flooding concerns become the major weather issue for the next week across Texas, the Southern Plains, and the lower Mississippi Valley.
Mid-summer heat today and again Wednesday in the Northeast.

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:

— No significant weather impacts to travel today or Wednesday.

Weather Impacts Mountain:

— Wyoming south-central mountains, Shirley Basin, North Snowy Range Foothills, Southwest Carbon County, South Laramie Range, Converse County Lower Elevations, and Laramie Valley: Freeze Watch late tonight through Wednesday morning, with sub-freezing temperatures as low as 18 to 23 degrees possible.

— Northwest Colorado’s Central and Lower Yampa River Basins: Freeze Warning Wednesday morning, with sub-freezing temperatures as low as 22 degrees expected.

— Middle Rio Grande Valley in New Mexico: Red Flag Warning beginning around midday through early evening, with winds 15 to 20 mph and gusts up to 35 mph. I-25, I-40, US-60, US-380, US-550 impacted.

— Southeastern and east-central New Mexico: Isolated severe thunderstorms are possible Wednesday afternoon into evening, with large hail the primary expected hazard. I-40, US-54, US-60, US-62, US-70, US-82, US-84, US-180, US-285, US-380 potentially impacted.

Weather Impacts Central:

— Central to eastern South Dakota and the western Nebraska Panhandle: Freeze Warnings through late morning in western Nebraska and late tonight through Wednesday morning across central and eastern South Dakota, with temperatures as low as 30 to 32 degrees expected.

— Western and central Missouri, parts of eastern Kansas, northeast Oklahoma, and southwest Missouri: Flood Warnings, Advisories and Watches continue into the afternoon, with additional rainfall amounts up to 1 to 2 inches; flooding may create high water in low-lying areas, poor-drainage spots, and small streams. Highways near I-29, I-35, I-44, I-49, I-57, I-64, I-70 may be impacted.

— Much of Missouri, eastern Oklahoma, Arkansas, much of Texas, parts of Illinois, western Kentucky and Tennessee, much of Mississippi, and much of Louisiana: Widely scattered severe thunderstorms are possible today into tonight, with damaging winds, hail and an isolated tornado or two. I-10, I-14, I-20, I-22, I-24, I-30, I-35, I-37, I-39, I-40, I-44, I-45, I-49, I-55, I-57, I-64, I-65, I-69, I-69E, I-70, I-72, I-74 potentially impacted.

— Parts of Illinois, southern Missouri, parts of western Tennessee and Kentucky, eastern Oklahoma, Arkansas, western and northern Mississippi, much of Louisiana, and central and eastern Texas: Flash flooding is possible today into tonight as repeated thunderstorms may produce excessive rainfall and runoff concerns, especially where storms train over the same areas. The greatest flash-flood risk will be across southeastern Illinois, northwestern Kentucky, and also central and southeastern Texas. I-10, I-12, I-14, I-20, I-22, I-24, I-30, I-35, I-37, I-40, I-44, I-45, I-49, I-55, I-57, I-64, I-65, I-69, I-69E, I-70, I-72, I-74 potentially impacted.

— Central and western Texas: Widely scattered strong to severe thunderstorms are possible Wednesday afternoon into evening, with large hail and severe wind gusts. I-10, I-20, I-27, I-40, US-60, US-62, US-67, US-70, US-79, US-82, US-83, US-84, US-87, US-90, US-180, US-190, US-277, US-285, US-380, US-385 potentially impacted.

— Western Kansas, most of Tennessee, central and eastern Kentucky, parts of Oklahoma, northern Alabama, southern Arkansas, most of Mississippi, Texas, and Louisiana: Flash flooding is possible Wednesday into Wednesday night, with deep Gulf moisture and thunderstorms capable of heavy rainfall. The greatest flash-flood risk will be across central and southern Texas with up to 2 inches of additional rainfall. I-10, I-12, I-14, I-20, I-22, I-24, I-27, I-30, I-35, I-37, I-40, I-44, I-45, I-49, I-55, I-59, I-65, I-69, I-70, I-75 potentially impacted.

— Eastern Kansas, parts of Missouri, far-western Tennessee, central and eastern Oklahoma, Arkansas, northwest Mississippi, northern Louisiana, and central and eastern Texas.: Flash flooding is possible Thursday into Thursday night, with numerous showers and thunderstorms affecting the Southern Plains through the Ozarks and lower Mississippi Valley. I-2, I-10, I-14, I-20, I-22, I-24, I-29, I-30, I-35, I-37, I-40, I-44, I-45, I-49, I-55, I-57, I-59, I-64, I-65, I-69, I-69C, I-69E, I-70, I-75, I-80 potentially impacted.

Weather Impacts Eastern:

— Mid-Hudson Valley, New York City metro, northern and central New Jersey, eastern Pennsylvania, Delaware Valley, southern New England, and southern New Hampshire: Heat Advisories continue through Wednesday evening, with heat index values generally in the mid to upper 90s.

— Coastal and inland eastern North Carolina: Patchy dense fog and visibility of one quarter mile or less observed in Onslow and Duplin counties and possible expansion into Carteret, Craven, Jones, and Lenoir counties; reduced visibility may slow travel. I-40, US-17, US-70 impacted.

— Inland southeast Georgia into north Florida: Locally dense fog and visibility of one half mile or less from the I-10 corridor northward across inland southeast Georgia before visibility improves later this morning. I-10, I-75, I-95, US-1, US-23, US-25, US-27, US-41 impacted.

— Western Maine, Vermont, New Hampshire, New York, much of Massachusetts, northwestern Rhode Island, most of Connecticut, eastern Michigan, northern New Jersey, much of Pennsylvania, Ohio, Indiana, and central and western Kentucky: Widely scattered severe thunderstorms are possible today into tonight, with damaging winds, hail and an isolated tornado or two. The greatest risk of severe weather will be across northern Vermont, much of New York, southeastern Michigan, northwestern Pennsylvania, much of Ohio, most of Indiana, and north-central and western Kentucky. I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-78, I-79, I-80, I-81, I-84, I-86, I-87, I-88, I-89, I-90, I-91, I-93, I-94, I-95, I-96, I-99 potentially impacted.

— Southern Michigan, much of Ohio, Indiana, and western and central Kentucky: Flash flooding is possible today into tonight where excessive rainfall overlaps already active flooding areas, leading to high water in low-lying and poor-drainage areas. The greatest flash-flood risk will be across southern Indiana. I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-80, I-90, I-94, I-96 potentially impacted.

— Most of Massachusetts, Rhode Island, Connecticut, southeastern New York, New Jersey, eastern, central and southern Pennsylvania, Delaware, Maryland, District of Columbia, most of West Virginia, and much of Virginia: Isolated severe thunderstorms are possible Wednesday afternoon into evening, with severe wind gusts and hail possible in stronger storms. I-64, I-66, I-68, I-70, I-76, I-77, I-78, I-79, I-80, I-81, I-83, I-84, I-85, I-86, I-87, I-90, I-91, I-93, I-95, I-97, I-99 potentially impacted.

Outlook through Sunday May 25th:

— Thursday, May 21 through Monday, May 25: from southeastern Oklahoma and eastern and southern Texas into the Lower Mississippi Valley: Heavy rain may create localized flooding or difficult travel conditions. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55.

— Thursday, May 21 through Friday, May 22: much of Vermont, much of New Hampshire, and most of Maine: Frost or freeze concerns may create challenging conditions for early season RVers. Major highways potentially affected include I-91, I-95.

— Friday, May 22: Chance of severe thunderstorms across western Oklahoma and the eastern Texas Panhandle. Major highways potentially affected include I-40.

Extended Outlook May 26th through June 1st:

— Tuesday, May 26 through Wednesday, May 27: from Oklahoma and Texas into Arkansas, Louisiana, and Mississippi: Heavy precipitation is likely, which may create localized flooding or difficult travel conditions. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55.

— Tuesday, May 26 through Friday, May 29: from southeastern New Mexico through the central and southern Plains into the Lower Mississippi Valley, Tennessee and Ohio Valleys, and parts of the Southeast: Heavy precipitation may develop, which could create localized flooding or difficult travel conditions. Major highways potentially affected include I-10, I-20, I-35, I-40, I-55, I-64, I-65, I-75, I-85.

Forecast Confidence for the Extended Outlook:

Confidence is average overall. The earlier period has generally good agreement on the large-scale pattern, but confidence decreases later because of differences in how the western U.S. pattern evolves and how smaller-scale features develop.

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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