Expected

* WHAT...Northeast winds 15 to 25 mph with gusts 30 to 40 mph expected. * WHERE...Santa Clarita Valley. * WHEN...From 7 AM this morning to 3 PM PDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Northeast winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, Northern Ventura County Mountains, Santa Susana Mountains, Southern Ventura County Mountains, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 3 PM PDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Snow expected. Additional snow accumulations between 2 and 5 inches. Winds gusting as high as 55 mph. * WHERE...Flaming Gorge and Rock Springs and Green River. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult, especially along Interstate 80. The hazardous conditions could impact the Monday morning commute. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit

* WHAT...Heavy snow possible. Additional snow accumulations between 6 and 12 inches possible with locally higher amounts up to 15 inches. Winds gusting as high as 55 mph. * WHERE...Green Mountains and Rattlesnake Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult. The hazardous conditions will impact the Monday morning commute. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

* WHAT...Heavy snow expected. Total snow accumulations between 3 and 6 inches. Areas of higher amounts up to 8 inches between Hiland and Casper and the south side of Casper. Winds gusting as high as 40 mph. * WHERE...Natrona County Lower Elevations. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult, especially along US Highway 20/26 between Hiland and Casper. The hazardous conditions will impact the Monday morning commute. Heavy snow could break tree

* WHAT...Heavy snow expected. Additional snow accumulations between 5 and 9 inches, with locally higher amounts at the highest elevations. Winds gusting as high as 60 mph. * WHERE...Wind River Mountains East. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute, including over South Pass. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

* WHAT...Snow expected. Total snow accumulations up to 2 inches. Winds gusting as high as 50 mph. * WHERE...Southwest Bighorn Basin and Cody Foothills. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult due to a combination of snow and wind. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...There is potential for a steep gradient in snow totals along the mountains, with snow totals quickly going from around 1 inch to 4 inches or more.

* WHAT...Heavy snow expected. Additional snow accumulations between 4 and 8 inches. Lower amounts up to 2 inches in the Rock Springs area. Winds gusting as high as 60 mph. * WHERE...East Sweetwater County. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be very difficult, especially along Interstate 80 due to the crosswind component. The hazardous conditions will impact the Monday morning commute. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

* WHAT...Snow expected. Additional snow accumulations between 4 and 8 inches. Winds gusting as high as 60 mph. * WHERE...Wind River Mountains West. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult, especially along South Pass. The hazardous conditions could impact the Monday morning commute. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter .

* WHAT...Heavy snow possible. Additional snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Casper Mountain. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Heavy snow could break tree limbs as many trees have leafed out. If you must travel, keep an extra flashlight, food, and water in