Summary:
Heavy rain may cause flooding along the Central California coast and the Transverse Range in Southern California. Severe thunderstorms pose a threat for hail, damaging wind gusts, and an isolated tornado across portions of the Sacramento Valley. A few feet of snow may fall over the Sierra Nevada and Shasta Siskiyous. A warming trend is expected across the Great Plains and Mississippi Valley. Impacted Lanes: I-5, I-84, I-80, I-25, I-15, I-710, I-605, I-210, I-10, I-280, I-680, I-505
California
Flash Flood Warning remains in effect until 10:30 AM PST this morning
- Flash flooding caused by heavy rain.
- Impacts: Flash flooding of urban areas, streets, underpasses and low-lying areas will likely occur. Mud and debris flows, as well as rockslides are also expected, especially in and near steep terrain. There will be significant ponding of water on area roadways.
Winter Storm Warning remains in effect until 10 PM PST Tuesday evening
- Heavy snow expected above 5000 feet. Total snow accumulations of 1 to 3 feet. Winds gusting as high as 50 mph.
- Impacts: Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute.
Flood Advisory remains in effect until 8 AM PST this morning
- Urban and small stream flooding caused by excessive rainfall is expected.
- Impacts: Roadway and small stream flooding is expected this morning, especially in low lying and poor drainage areas. As heavier rainfall overspreads the county, the threat of flooding, mudslides, and debris flows will increase.
Winter Weather Advisory remains in effect until 10 AM PST Wednesday morning
- Wet snow expected. Total snow accumulations of up to three inches from 7,000 to 8,000 feet and up to 8 inches above 8,000 feet.
- Impacts: Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute.
Flood Watch remains in effect until 10 AM PST Wednesday morning
- Flooding caused by excessive rainfall is possible.
- Impacts: Flooding may occur in poor drainage and urban areas. Rapid rises in small creeks and streams possible. Water over roadway is expected.
Wind Advisory remains in effect until 4 AM PST Tuesday morning
- South winds 20 to 30 mph with gusts up to 50 mph.
- 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.
High Wind Warning remains in effect until 10 AM PST this morning
- South to southwest winds 30 to 45 mph with damaging gusts up to 65 mph expected.
- Impacts: Damaging winds will blow down large objects such as trees and power lines. Power outages are expected. Travel will be difficult, especially for high profile vehicles.
Oregon
Wind Advisory remains in effect until 7 PM PST this evening
- South winds 25 to 35 mph with gusts up to 50 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.
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.
Additional Winter Storm Warnings include but are not limited to: Nevada
Additional Winter Weather Advisories include but are not limited to: Nevada, and Utah
Additional High Wind Warnings include but are not limited to: Wyoming
Additional Wind Advisories include but are not limited to: Nevada
Additional Dense Fog Advisories include but are not limited to: Washington
