Summary:
Combination of strong winds, dry conditions and warming temperatures will bring elevated to critical fire weather concerns for portions of the western High Plains, Southern Rockies and Mid-Atlantic region today. Meanwhile, a storm tracking across the Intermountain West will move onto the Plains and focus showers and thunderstorms later this week. Severe weather and flooding will be possible. Impacted Lanes: I-94, I-90, I-5, I-84, I-80, I-15
Montana
Winter Weather Advisory remains in effect until 6 AM MDT Wednesday morning
- Snow expected. Total snow accumulations between 2 and 8 inches. Winds gusting as high as 45 mph.
- Impacts: Travel could be very difficult. The hazardous conditions could impact the Tuesday evening commute. Gusty winds and heavy wet snow could bring down tree branches.
Winter Storm Warning remains in effect until 12 PM MDT Wednesday afternoon
- Heavy snow and strong winds expected. Total snow accumulations between 1 and 7 inches, with locally higher accumulations to 12 inches possible on the western sides and foothills of the mountains. Winds gusting as high as 60 mph.
- Impacts: Travel could be very difficult. Strong winds and wet snow could cause extensive damage to trees and power lines.
Flood Advisory remains in effect until 6 PM MDT Friday evening
- Minor flooding caused by snowmelt continues, and may increase somewhat this week.
- Impacts: Minor flooding in low-lying and poor drainage areas, with the potential for additional water on roadways. Water on roadways will make travel difficult, so make sure to obey posted speed limits and road closures.
North Dakota
Flood Warning remains in effect until 1 PM CDT this afternoon
- Flooding caused by snowmelt will continue.
- Impacts: Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding.
Wyoming
Winter Weather Advisory remains in effect until 1 AM MDT Wednesday morning
- Snow. Additional snow accumulations of 5 to 10 inches above 9,000 feet. 2 to 5 inches expected at Union Pass, and 1 to 3 inches at South Pass. Winds gusting as high as 60 mph.
- Impacts: Travel could be difficult, including in the backcountry.
High Wind Warning remains in effect until 3 PM MDT Wednesday afternoon
- West winds 35 to 50 MPH with frequent gusts up to 75 MPH expected. Wind gusts may occasionally exceed 80 MPH.
- Impacts: Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
Arizona
Wind Advisory remains in effect until 8 PM MST Wednesday evening
- Southwest winds 25 to 35 mph with gusts up to 50 mph expected.
- Impacts: Gusty winds could blow around unsecured objects. Saturated soils from snowmelt combined with the wind will result in an increased threat for blown down trees. In addition, winds this strong can make driving difficult, especially for high profile vehicles.
Additional Winter Weather Advisories include but are not limited to: Washington, Oregon, California, Idaho and Utah
Additional Flood Advisories include but are not limited to: Minnesota, Wisconsin and Idaho
Additional Flood Warnings include but are not limited to: Minnesota
Additional High Wind Warnings include but are not limited to: South Dakota
Additional Wind Advisories include but are not limited to: California, Nevada, Idaho, Utah, Colorado and Nebraska
