Summary:
Atmospheric river of heavy precipitation, strong winds and high surf continues for the Northwest portion of the country. Meanwhile, warming temperatures are expected for the center of the nation where several record highs are in the forecast. Looking ahead into the weekend, a strong cold front is expected to sweep through the eastern two-thirds of the country with heavy rain and thunderstorms. Impacted Lanes: I-90, I-5, I-82, I-84, I-40, I-95, I-76, I-80, I-380, I-86, I-81, I-88, I-87
Wyoming
High Wind Warning remains in effect until 11 PM MST Thursday evening
- West winds 35 to 45 mph with gusts up to 70 mph expected.
- Impacts: Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
Washington
Flood Warning remains in effect until 11 AM PST Thursday morning
- Moderate flooding is occurring and moderate flooding is forecast.
- Impacts: Flooding from rain will inundate many roads including US Highway 12.
Flood Watch remains in effect until 11 PM PST this morning
- Flooding caused by excessive rainfall continues to be possible.
- Impacts: Excessive runoff will result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Extensive street flooding and flooding of creeks and rivers are possible.
Dense Fog Advisory remains in effect until 12 PM PST this afternoon
- 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 4 AM PST Thursday morning
- Urban and small stream flooding caused by rain and snowmelt continues.
- Impacts: Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. Water over roadways.
California
Winter Weather Advisory remains in effect until 4 PM PST Thursday afternoon
- Snow and blowing snow expected above 3500 feet. Total snow accumulations of 3 to 8 inches for eastern Siskiyou County and 12 to 14 inches across the high terrain of western Siskiyou County. Winds gusting as high as 45 mph.
- Impacts: Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute.
Dense Fog Advisory remains in effect until 10 AM PST this morning
- Visibility one quarter mile or less in dense fog.
- Impacts: Hazardous driving conditions due to low visibility.
Flash Flood Watch remains in effect until 10 PM PST this evening
- Flash flooding and debris flows caused by excessive rainfall are possible.
- Impacts: Heavy rainfall could trigger flash flooding of low-lying areas, and urbanized street flooding.
Flood Watch remains in effect until 11 PM PST this evening
- Flooding caused by excessive rainfall continues to be possible.
- Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, roadways, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded.
Wind Advisory remains in effect until 10 PM PST this evening
- Southwest winds 20 to 30 mph with gusts up to 50 mph. Localized gusts to 60-70 mph in wind prone areas along US-395/I-580 are possible.
- Impacts: Gusty winds will blow around unsecured objects. Tree limbs could be blown down. Travel could be difficult, especially for high profile vehicles.
Additional High Wind Warnings include but are not limited to: Colorado
Additional Flood Warnings include but are not limited to: Oregon
Additional Flood Watches include but are not limited to: Oregon
Additional Dense Fog Advisories include but are not limited to: Oregon
Additional Flood Advisories include but are not limited to: Idaho
Additional Winter Weather Advisories include but are not limited to: Oregon, Nevada, Idaho, Montana, West Virginia, Virginia, Tennessee, and North Carolina
Additional Wind Advisories include but are not limited to: South Dakota, Montana, Oregon, and Nevada
