Summary:
A clipper type system will track across the Ohio Valley, central Appalachians and mid-Atlantic regions today. Rain and some accumulating snow across the higher elevations of the central Appalachians can be expected. The Pacific Northwest and northern Rockies continue with heavy precipitation and flooding coinciding with strong winds that will make traveling difficult. Impacted Lanes: I-580, I-5, I-82, I-90, I-84, I-69, I-75, I-94, I-196, I-96, I-57, I-290, I-70 I-71, I-77, I-79, I-64
Montana
High Wind Warning remains in effect until 9 PM MST this evening
- Southwest winds 35 to 45 mph, with gusts ranging from 65 to 75 mph.
- Impacts: Travel could be difficult, especially for high profile vehicles.
Wind Advisory remains in effect until 8 AM MST Wednesday morning
- Southwest wind gusts up to 60 mph.
- Impacts: Gusty winds will blow around unsecured objects. Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills.
Washington
Flood Warning remains in effect until 9 PM PST Friday evening
- Moderate flooding is occurring and moderate flooding is forecast.
- Impacts: Heavy rain will cause moderate flooding, with deep and quick flood waters inundating some residential areas, and many roads.
Flood Watch remains in effect until 4 PM PST Thursday afternoon
- Flooding caused by rain and snowmelt continues to be possible.
- Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, roads, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Water may seep into basements, field flooding, and ponding of water over roads and in urban areas with poor drainage will be possible. Steep terrain will also see an increased risk for rock slides.
Dense Fog Advisory remains in effect until 8 AM PST this morning
- Visibility as low as a quarter mile or less in dense fog.
- Impacts: Hazardous driving conditions due to low visibility.
Flood Advisory remains in effect until 1 AM PST Thursday morning
- Urban and small stream flooding caused by excessive rainfall is expected.
- Impacts: Minor flooding in low-lying and poor drainage areas. Ponding of water is expected later tonight and Wednesday. Areas most likely to see such flooding will be the coast, coast mountains, and throughout the I-5 corridor.
North Carolina
Winter Weather Advisory remains in effect until 4 PM EST this evening
- Light snow accumulations expected. Total snow accumulations of up to 3 inches with the highest elevations seeing isolated higher totals. Winds gusting as high as 40 mph.
- Impacts: Plan on slippery road conditions. The hazardous conditions could impact the morning commute.
Additional High Wind Warnings include but are not limited to: Wyoming
Additional Wind Advisories include but are not limited to: Nevada, California, and Oregon
Additional Flood Warnings include but are not limited to: Oregon
Additional Flood Watches include but are not limited to: California, Oregon, and Idaho
Additional Flood Advisories include but are not limited to: Oregon
Additional Dense Fog Advisories include but are not limited to: Tennessee, California, North Dakota, and Oregon
Additional Winter Weather Advisories include but are not limited to: West Virginia, Pennsylvania, Maryland, Virginia, and South Carolina
