Stay up to date with all weather conditions affecting transportation in the United States

Summary:
In southeast Texas, the coastal Carolinas, and much of New Mexico today, showers and thunderstorms may bring excessive rainfall which could lead to areas of flooding. Dry, gusty winds will contribute to scattered areas of elevated to critical fire weather today in the western U.S. Wildfire smoke is causing unhealthy air quality today in parts of the Pacific Northwest and central Plains. Impacted Lanes: I-37, I-69, I-10, I-45, I-49, I-20, I-77, I-485, I-95, I-40

Texas
Flash Flood Warning remains in effect until 9 AM CDT this morning

Summary:
Heavy to excessive rainfall will persist through Thursday from southeast Texas into southern Louisiana, bringing the threat of flash, urban and small stream flooding. A Moderate Risk (level 3 of 4) of excessive rainfall is in effect through Thursday. Dangerous heat will continue across the Western U.S. and northern Plains through Thursday. High temperatures could reach or exceed 100 degrees. Impacted Lanes: I-10, I-69, I-45, I-20, I-55, I-59, I-40, I-85, I-16, I-75, I-26, I-95, I-64

Texas
Flash Flood Warning remains in effect until 8:30 AM CDT this morning

Summary:
Hazardous heat will persist over much of interior California, the central Great Basin, northern Rockies and Northern Plains into Thursday. Heavy to excessive rainfall will persist across the Southeast US. through mid-week. The Southwest Monsoon will continue to bring a flash flooding threat to the Four Corners Region this week. Impacted Lanes: I-10, I-69, I-45, I-49, I-20, I-55, I-59, I-95

Maine
Dense Fog Advisory remains in effect until 10 AM EDT this morning

Summary:
Dangerous heat will persist over portions of interior California, the Great Basin, and the northern Rockies through Thursday. Heat will gradually spread into the northern Plains today. Across the western Gulf Coast, heavy to excessive rainfall will persist through mid-week. Additionally, the Southwest Monsoon will continue to bring a flash flooding threat to the Four Corners Region this week. Impacted Lanes: I-10, I-14 I-35, I-45, I-40, I-22, I-69, I-240, I-269, I-55, I-65, I-24, I-88, I-90, I-91, I-95, I-93, I-89

Texas
Flash Flood Warning remains in effect until 10 AM CDT this morning

Summary:
High temperatures in the 90s to 100s and warm overnight temperatures will continue across parts of the Interior Northwest, central California, and the Great Basin. Thunderstorms and heavy rain may produce scattered flash flooding across much of the Southern Rockies into the Southwest, particularly over sensitive burn scars in New Mexico, and across the Southeast into the Carolinas. Impacted Lanes: I-10, I-20, I-64, I-77, I-71, I-70, I-81, I-95, I-40

Virginia
Flood Warning remains in effect until 1:30 PM EDT this afternoon

Summary:
Heavy to excessive rainfall may bring flooding today to parts of the southern Rockies, eastern Mid-Atlantic, and ArkLaTex regions. Dangerous heat will redevelop Friday through this weekend into next week over much of southern California and the Desert Southwest. Dry thunderstorms continue to pose a threat for new wildfire starts across parts of the Great Basin today and Friday. Impacted Lanes: I-35, I-45, I-69, I-49

Alabama
Flash Flood Warning remains in effect until 8 AM CDT this morning

Summary:
Strong to severe thunderstorms are possible from the central Plains to the Northeast through this evening. Widespread damaging winds are the primary threat but hail and a tornado or two is also possible. Extremely dangerous heat continues across the Eastern U.S. Warm overnight low temperatures will provide little to no relief. Impacted Lanes: I-40, I-35, I-44, I-49, I-30

Missouri 
Flash Flood Warning remains in effect until 10:15 AM CDT this morning

Summary:
Severe storms capable of producing severe winds, large hail, tornadoes and heavy rainfall are expected through this evening across portions of the Midwest. A Moderate Risk (level 4 of 5) of Severe Storms and Excessive Rainfall is in effect. Excessive heat will continue to impact the Central and Eastern U.S. this week. Impacted Lanes: I-70, I-335, I-35, I-94, I-44, I-55, I-64, I-57, I-69, I-74

Illinois
Flash Flood Warning remains in effect until 12:15 PM CDT this morning

Summary:
Excessive heat will affect the center and eastern portions of our country today with numerous record highs are expected. The combination of heat and humidity, along and ahead of cold front, will focus showers and thunderstorms. Storms could be severe from the western High Plains, Midwest into the Great Lakes region; Locally heavy rainfall may result in isolated instances of flash flooding. Impacted Lanes: I-94, I-70, I-69, I-74, I-65, I-75, I-96

Indiana
Flood Warning remains in effect until 8 AM EDT Friday morning

Summary:
Extremely dangerous heat continues in the Western U.S. through Saturday with widespread Excessive Heat Warnings and Heat Advisories. Hazardous heat will expand over much of the central and eastern U.S. late this weekend into next week. Confidence is increasing in extremely dangerous heat, particularly for urban areas in the Southeast and East Coast beginning Monday. Impacted Lanes: I-44, I-95, I-73, I-74, I-40, I-85, I-295, I-64, I-70, I-84, I-76, I-66

Virginia
Flash Flood Warning remains in effect until 11 AM EDT this morning