Some heavy rain and possible flash flooding may affect the Central Plains through Thursday. Meanwhile, wintry weather conditions will spread through portions of Central and Northern Plains. A powerful storm system is forecast to approach the Pacific Northwest, then spreading inland and down through California through the end of this week. A series of storms will impact Alaska into the weekend. Impacted Lanes: I-90, I-82, I-84, I-5, I-80, I-70
Winter Storm Warning remains in effect until 4 AM PST Friday morning
- Heavy snow. Total snow accumulations of 10 to 15 inches above 3000 feet, with locally up to 20 inches possible on the higher peaks. Between 2000 and 3000 feet, total snow accumulations of 2 to 8 inches are likely. May also have spotty light freezing rain this morning.
- Impacts: Travel could be very difficult.
Winter Weather Advisory remains in effect until 4 AM PST Friday morning
- Snow expected. Total snow accumulations of 3 to 6 inches.
- Impacts: Plan on slippery road conditions. The hazardous conditions could impact the evening commute.
Freezing Fog Advisory remains in effect until 7 AM PST this morning
- Visibility one quarter mile or less in freezing fog.
- Impacts: Hazardous driving conditions due to low visibility and potential frost on bridges.
High Wind Warning remains in effect until 8 PM MST this evening
- West winds 40 to 50 MPH with gusts up to 70 MPH expected.
- Impacts: Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers.
Dense Fog Advisory remains in effect until 10 AM CST this morning
- Visibility one quarter mile or less in dense fog.
- Impacts: Hazardous driving conditions due to low visibility.
Additional Winter Weather Advisories include but are not limited to: Oregon, California, Idaho, Colorado, South Dakota, Nebraska, Kansas, Iowa, Minnesota, and Wisconsin
Additional Freezing Fog Advisories include but are not limited to: Oregon and Idaho
Additional Dense Fog Advisories include but are not limited to: California, Colorado, Kansas, Oklahoma, Texas, Arkansas, Mississippi, Alabama, Florida, Georgia, Tennessee, South Carolina, North Carolina, and Virginia