Summary:
A Pacific storm will move into the Northwest bringing strong winds, areas of heavy rainfall to portions of Pacific Northwest and northern California, and heavy mountain snow to the Cascades, Sierra Nevada, and the northern Rockies through Thursday. A quick round of accumulating snowfall will impact the northern Plains, upper Midwest, and the Great Lakes through the next couple of days. Impacted Lanes: I-5, I-84, I-90, I-80, I-94, I-505, I-280, I-15, I-29
Wyoming
Winter Storm Warning remains in effect until 11 AM MST Friday morning
- Heavy snow expected. Total snow accumulations of 10 to 18 inches. Winds gusting as high as 40 mph.
- Impacts: Travel could be very difficult. The hazardous conditions could impact the morning or evening commute.
Winter Weather Advisory remains in effect until 11 AM MST Friday morning
- Heavy snow expected. Total snow accumulations of 10 to 18 inches. Winds gusting as high as 40 mph.
- Impacts: Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute.
South Carolina
Flood Advisory remains in effect until 4 AM EST Thursday morning
- Flooding caused by excessive rainfall continues.
- Impacts: Minor flooding in low-lying and poor drainage areas. Water over roadways.
Oregon
Winter Weather Advisory remains in effect until 4 PM PST Thursday afternoon
- Wet snow expected. Total snow accumulations of up to 3 inches. Winds gusting as high as 40 mph.
- Impacts: Plan on slippery road conditions. The hazardous conditions could impact Thursday morning`s commute.
Winter Storm Warning remains in effect until 10 PM PST Thursday evening
- Heavy snow expected. Total snow accumulations of 4 to 8 inches expected at river level, with 8 to 16 inches above 500 feet. Winds gusting as high as 50 mph.
- Impacts: Travel could be very difficult, even along Interstate 84 and Washington SR-14. The combination of heavy snow and gusty winds may lead to whiteout conditions at times. Gusty winds could bring down tree branches and cause localized power outages. The hazardous conditions could impact the commutes Wednesday evening and Thursday morning.
Dense Fog Advisory remains in effect until 9 AM PST this morning
- Visibility one quarter mile or less in dense fog.
- Impacts: Hazardous driving conditions due to low visibility.
California
Winter Storm Warning remains in effect until 4 PM PST Thursday afternoon
- Heavy snow expected. Total snow accumulations of 12 to 18 inches above 6000 feet with up to 2 feet above 7500 feet. Wind gusting as high as 50 mph.
- Impacts: Travel could be very difficult to impossible. Gusty wind could bring down tree branches.
Winter Weather Advisory remains in effect until 4 AM PST Friday morning
- Snow expected. Total snow accumulations of 3 to 7 inches with up to 14 inches over high remote terrain. Winds gusting as high as 40 mph.
- Impacts: Travel could be difficult. Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute.
Wind Advisory remains in effect until 10 PM PST this evening
- South wind 15 to 25 mph with gusts up to 40 mph expected.
- Impacts: Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel could be difficult, especially for high profile vehicles.
Additional Winter Storm Warnings include but are not limited to: Washington, Montana, Idaho, South Dakota, and Minnesota
Additional Winter Weather Advisories include but are not limited to: Washington, Idaho, Montana, Utah, North Dakota, Minnesota, and Wisconsin
Additional Flood Advisories include but are not limited to: Kentucky, and Tennessee
Additional Dense Fog Advisories include but are not limited to: Washington