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

Summary: Monsoonal showers have been causing heavy rain and localized flash flooding over the last several days across the central and southern Rockies. This has caused Mudslides in Colorado through the Grizzly Creek burn scar, resulting in the indefinite closure of I-70 through Glenwood Canyon, CO.  Motorists should plan for an extended closure, and freight may be delayed. 

Summary: Tropical Storm Elsa will impact the Northeast U.S. today, spreading heavy rain, gusty winds and the threat of a few tornadoes up the East Coast, causing flash and urban flooding is expected across coastal New England. Thunderstorms, some with potentially significant severe weather, are expected Friday afternoon into Friday night across parts of the central Plains and Mid Missouri Valley. Dangerous heat will be found throughout much of the west, worsening this weekend. Current Advisories: New Jersey, New York, Connecticut, Rhode Island, Massachusetts, New Hampshire, Maine

Summary: Elsa is tracking through the Southeast U.S. after its Florida landfall, and will spread heavy rain, gusty winds and the threat of a few tornadoes across parts of southeast Georgia and South Carolina  today before pushing up the Mid-Atlantic on Thursday and Northeast by Friday. Torrential downpours throughout parts of South Texas may bring widespread, possibly life-threatening, flash flooding to the area. Excessive heat and fire weather threats are impacting the West. Current Advisories: Georgia, South Carolina, North Carolina, Virginia, Maryland, Delaware, New Jersey, New York, Connecticut, Rhode Island, Massachusetts 

Summary: Damaging winds, dangerous storm surge, and heavy rainfall likely across the west coast of Florida as Elsa moves through the region, with tropical storm conditions extending into the Southeast and coastal Mid-Atlantic by Thursday. Elsa is expected to make landfall today. Current Advisories: Florida, Georgia, South Carolina, North Carolina, Virginia

Summary: Elsa is expected pass near the Florida Keys early Tuesday and move near or over portions of the west coast of Florida. Tropical storm conditions, dangerous storm surge, and heavy rainfall are possible along the Florida Keys and portions of the west coast; along with isolated tornadoes in Florida. Current Advisories: Florida, Georgia, South Carolina

Summary: Tropical Storm Elsa is expected to move into the eastern Caribbean Sea over the course of today. While she is not currently a threat to the mainland U.S., there is a risk of storm surge, wind, and rainfall impacts in the Florida Keys and portions of the Florida Peninsula early next week. Current Advisories: Puerto Rico

Summary: Tropical Storm Danny made landfall late last night  just north of Hilton Head on Pritchards Island, SC. Danny has since weakened, and while major disruption is not expected, the remnants may produce isolated flash flooding -  especially in urban areas - across western and northern GA into central and northern AL today.

Summary: Tropical Storm Claudette is expected to slowly strengthen over the Carolinas as it approaches the Mid-Atlantic Coast from the west. Tropical Storm conditions are expected to develop along the coastal regions of the Carolinas before the storms moves into the Atlantic later today. Severe storms are possible across the Northeast U.S. Monday. Record breaking heat is expected in the Pacific Northwest. Active Advisories: North Carolina

Summary: Over the last several days, a storm system has been organizing over the southern Gulf of Mexico. Now moving towards the US Gulf Coast, the currently named "Potential Tropical Cyclone Three" is expected to strengthen into a tropical storm later today, with a northeastward motion across the southeastern United States likely after landfall. Active Advisories: Louisiana, Mississippi, Alabama, Florida

• Intracoastal City, LA to Okaloosa/Walton County line, FL
• Including New Orleans, Mobile, and Pensacola
• Heavy Rainfall
• Flash, urban, and small stream Flooding
• Continuing through the weekend

Additionally, sweltering temperatures resulting in Excessive Heat advisories is continuing in parts of the West and Central Plains due to a large dome of stationary high pressure. 

Flash, urban, and small stream flooding, along with isolated river flooding is possible from Arkansas into Kentucky through Wednesday. Severe thunderstorms will be possible across portions of the northern Plains through Thursday. ACTIVE ADVISORIES: NEVADA, CALIFORNIA, MONTANA, ARKANSAS, AND LOUISIANA

• Southwest winds 20 to 30 mph with gusts 40 to 50 mph expected
• From 11 AM to 8 PM PDT Wednesday
• Lincoln County, Western Clark and Southern Nye County and the Spring Mountains-Red Rock Canyon area

• Sustained west winds 20 to 30 mph, with gusts around 50 mph expected
• Gusty winds could blow around unsecured objects. Blowing dust may reduce visibilities in some locations
• Travel will be difficult, particularly for high profile vehicles
• Highways affected: Highway 14, Highway 178, and Highway 58 

• Thunderstorms will bring locally heavy rain in some areas this afternoon and evening
• Rainfall in excess of 2 inches is possible from thunderstorms
• Flash flooding is possible in any areas where heavy rain occurs this afternoon and tonight