Summary:
A vigorous weather system will move across the East. Scattered severe storms may produce damaging winds and large hail in the Mid-Atlantic, including the National Capital Region. Dangerous heat continues to build and spread across the southern states, and now stretches from the Southwest to the Lower Mississippi Valley. Critical fire weather threats are in place in the 4-Corners area. Impacted Lanes: I-95, I-90, I-20, I-49, I-55
Maine
Flash Flood Warning remains in effect until 10:15 AM EDT this morning
- Flash flooding caused by thunderstorms.
- Impacts: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Dense Fog Advisory remains in effect until 10 AM EDT this morning
- Visibility one quarter mile or less in dense fog.
- Impacts: Hazardous driving conditions due to low visibility.
Colorado
Flood Warning remains in effect until 3 PM MDT this afternoon
- Small stream flooding caused by excessive rainfall is expected.
- Impacts: Flooding of creeks, streams, roadways, and other low-lying and flood-prone locations is imminent or occurring.
Flood Advisory remains in effect until 5:15 PM MDT Wednesday afternoon
- Small stream flooding caused by rain and snowmelt continues.
- Impacts: Minor flooding in low-lying and poor drainage areas. Water may be over roadways.
California
Wind Advisory remains in effect until 11 PM PDT this evening
- West winds 20 to 30 mph with gusts up to 45 mph expected.
- Impacts: Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.
Pennsylvania
Flood Watch remains in effect until 11 PM EDT this evening
- Flash flooding caused by excessive rainfall is possible.
- Impacts: Excessive runoff may result in flooding of small creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
Additional Flood Advisories include but are not limited to: Nevada, Wyoming, Nebraska, and South Carolina
Additional Flood Warnings include but are not limited to: Nevada, South Dakota, Nebraska, and Mississippi
Additional Flood Watches include but are not limited to: Washington, Montana, New York, and New Jersey
Additional Dense Fog Advisories include but are not limited to: New Hampshire, Connecticut, and New York