Moderate

* WHAT...Snow. Additional snow accumulations 2 to 4 inches. * WHERE...The higher terrain of southern Siskiyou County near the Trinity Alps. This includes Highway 3 south of Callahan. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Travel may be very difficult. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for snow probabilities.

* WHAT...Sub-freezing temperatures as low as 31. * WHERE...Avery, Mitchell, and Yancey Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold. In-ground sprinkler systems should be drained. Remove hoses and cover above- ground pipes.

Dry conditions will lead to near critical fire weather conditions today. Minimum relative humidity values of 15 to 20 percent are expected. However, wind speeds will be light around 5 mph. Check burning restrictions and fire danger before burning. For more information on burning restrictions for Minnesota, see www.dnr.state.mn.us/forestry/fire/firerating_restrictions.html.

* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches. Winds gusting as high as 50 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be difficult, including over Salt River Pass. 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...Snow expected. Total snow accumulations generally between 6 and 12 inches with locally higher amounts to 18 inches across the Tetons. Winds gusting as high as 45 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the

* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches with the highest amounts across southwestern portions of the Park. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult. 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...Southwest winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Arco/Mud Lake Desert. * WHEN...From noon Wednesday to midnight MDT Wednesday Night. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

* WHAT...Temperatures between 28 and 32, with areas of frost. * WHERE...Granville and Person Counties. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures expected. * WHERE...Portions of southeast Maryland, northeast North Carolina, and central, east central, north central, south central, and southeast Virginia. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation. Take steps now to protect tender plants from the cold.

* WHAT...Snow expected ABOVE 6500 FEET ELEVATION. Total snow accumulations between 2 and 14 inches. Winds gusting as high as 40 mph. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, Bear River Range, and Caribou Range. * WHEN...From noon Wednesday to midnight MDT Thursday Night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travel from Wednesday afternoon through Thursday evening. Slow down and use caution while traveling. Call 5 1 1 or visit