...Lower Elevation Snow expected Sunday... ...Heavy Snow Likely Across Much of Siskiyou County Tuesday Into Wednesday... .A front moving into the area Sunday combined with cold air will bring lower elevation snow. Snow levels are expected to begin around 1000 to 2000 feet, then rise during the afternoon to 2000 to 2500 feet, gradually lowering again Sunday evening. Snow accumulations are likely on roadways above 2000 feet for much of the area and down to 1500 feet in Douglas County and in the southern Rogue Valley in and near Ashland. West of the Cascades, for lower valley floors, periods of light snow or a rain-snow mix are possible Sunday, especially Sunday morning and again late Sunday evening and night. An even stronger, cold low pressure system is then likely to bring heavy snow to much of Siskiyou County, especially the Mount Shasta area, Tuesday into Wednesday. ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM PST SUNDAY ABOVE 2000 FEET...

* WHAT...Snow expected above 2000 feet. Total snow accumulations of 1 to 4 inches.

* WHERE...Eastern Curry County, Josephine County, and Jackson County. This includes valleys and surrounding locations above 2000 feet elevation such as Jacksonville Hill along Highway 238, Butte Falls, Prospect, and portions of Highways 62 and 140. This also includes the City of Ashland as well as Interstate 5 near Ashland.

* WHEN...From 7 AM to 10 PM PST Sunday.

* IMPACTS...Travel could be very difficult with slick, snow covered roadways, at times.

* ADDITIONAL DETAILS...Periods of light snow or a rain-snow mix are possible down to around lower valley floors at times, especially Sunday morning and again Sunday evening and night.

* View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD

...Lower Elevation Snow expected Sunday... ...Heavy Snow Likely Across Much of Siskiyou County Tuesday Into Wednesday... .A front moving into the area Sunday combined with cold air will bring lower elevation snow. Snow levels are expected to begin around 1000 to 2000 feet, then rise during the afternoon to 2000 to 2500 feet, gradually lowering again Sunday evening. Snow accumulations are likely on roadways above 2000 feet for much of the area and down to 1500 feet in Douglas County and in the southern Rogue Valley in and near Ashland. West of the Cascades, for lower valley floors, periods of light snow or a rain-snow mix are possible Sunday, especially Sunday morning and again late Sunday evening and night. An even stronger, cold low pressure system is then likely to bring heavy snow to much of Siskiyou County, especially the Mount Shasta area, Tuesday into Wednesday. ...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING...

* WHAT...Heavy snow is likely. Total snow accumulations of 6 to 12 inches, except 12 to 24 inches in the Mount Shasta area. Moderate to strong winds of 30 to 60 mph are also likely at mid and upper elevations, generally above 5,000 foot elevations.

* WHERE...Mount Shasta City, McCloud, Dunsmuir, south Weed, Pondosa, and Tennant in South Central Siskiyou County and North Central and Southeast Siskiyou County. This includes Interstate 5, Highway 89, and portions of Highway 97 between Weed and Grass Lake.

* WHEN...From late Tuesday morning through late Wednesday morning.

* IMPACTS...Travel could be very difficult to impossible. The hazardous conditions care likely to impact the evening commute Tuesday. The heavy snowfall could cause tree and power line damage. Moderate to strong winds at mid to upper elevations could cause tree damage.

* ADDITIONAL DETAILS...Snow levels are very likely to be low for this winter storm and snow amounts are likely to be significant, especially in the Dunsmuir to Mount Shasta area. There are some indications this event could also continue longer. Stay tuned for updates as the time of this event draws nearer.

* View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD

...Lower Elevation Snow expected Sunday... ...Heavy Snow Likely Across Much of Siskiyou County Tuesday Into Wednesday... .A front moving into the area Sunday combined with cold air will bring lower elevation snow. Snow levels are expected to begin around 1000 to 2000 feet, then rise during the afternoon to 2000 to 2500 feet, gradually lowering again Sunday evening. Snow accumulations are likely on roadways above 2000 feet for much of the area and down to 1500 feet in Douglas County and in the southern Rogue Valley in and near Ashland. West of the Cascades, for lower valley floors, periods of light snow or a rain-snow mix are possible Sunday, especially Sunday morning and again late Sunday evening and night. An even stronger, cold low pressure system is then likely to bring heavy snow to much of Siskiyou County, especially the Mount Shasta area, Tuesday into Wednesday. ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM PST SUNDAY ABOVE 2000 FEET... ...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY MORNING THROUGH LATE WEDNESDAY MORNING ABOVE 2000 FEET...

* WHAT...For the Winter Weather Advisory above 2000 feet, snow expected. Total snow accumulations of 2 to 4 inches. For the Winter Storm Watch above 2000 feet, heavy snow and gusty mid to upper elevation winds likely. Total snow accumulations of 5 to 14 inches possible.

* WHERE...Elevations above 2,000 feet in Western Siskiyou County. This includes Sawyers Bar, Scott Bar, Fort Jones, Greenview, Etna, Callahan, and areas surrounding Somes Bar, Happy Camp, and Seiad Valley. This includes Highway 3, Sawyers Bar Road, and portions of Highway 96. Stay tuned for updates, especially for the Tuesday to Wednesday period, as snow levels could be lower.

* WHEN...For the Winter Weather Advisory, from 7 AM to 10 PM PST Sunday. For the Winter Storm Watch, from late Tuesday morning through late Wednesday morning.

* IMPACTS...Travel is likely to become increasingly difficult during this time period, and could be very difficult to impossible Tuesday night into Wednesday. The hazardous conditions could impact the morning and evening commute. Heavy snowfall at all elevations and strong winds at mid to upper elevations could cause tree and/or power line damage.

* ADDITIONAL DETAILS...It is best to prepare for the expected snowfall as soon as possible, as travel could be very difficult to nearly impossible Tuesday night into Wednesday morning in some areas.

* View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD

...Lower Elevation Snow expected Sunday... ...Heavy Snow Likely Across Much of Siskiyou County Tuesday Into Wednesday... .A front moving into the area Sunday combined with cold air will bring lower elevation snow. Snow levels are expected to begin around 1000 to 2000 feet, then rise during the afternoon to 2000 to 2500 feet, gradually lowering again Sunday evening. Snow accumulations are likely on roadways above 2000 feet for much of the area and down to 1500 feet in Douglas County and in the southern Rogue Valley in and near Ashland. West of the Cascades, for lower valley floors, periods of light snow or a rain-snow mix are possible Sunday, especially Sunday morning and again late Sunday evening and night. An even stronger, cold low pressure system is then likely to bring heavy snow to much of Siskiyou County, especially the Mount Shasta area, Tuesday into Wednesday. ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM PST SUNDAY ABOVE 2000 FEET... ...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY MORNING THROUGH LATE WEDNESDAY MORNING ABOVE 2000 FEET...

* WHAT...For the Winter Weather Advisory above 2000 feet, snow expected. Total snow accumulations of 2 to 4 inches. For the Winter Storm Watch above 2000 feet, heavy snow and gusty mid to upper elevation winds likely. Total snow accumulations of 5 to 14 inches possible.

* WHERE...Elevations above 2,000 feet in Western Siskiyou County. This includes Sawyers Bar, Scott Bar, Fort Jones, Greenview, Etna, Callahan, and areas surrounding Somes Bar, Happy Camp, and Seiad Valley. This includes Highway 3, Sawyers Bar Road, and portions of Highway 96. Stay tuned for updates, especially for the Tuesday to Wednesday period, as snow levels could be lower.

* WHEN...For the Winter Weather Advisory, from 7 AM to 10 PM PST Sunday. For the Winter Storm Watch, from late Tuesday morning through late Wednesday morning.

* IMPACTS...Travel is likely to become increasingly difficult during this time period, and could be very difficult to impossible Tuesday night into Wednesday. The hazardous conditions could impact the morning and evening commute. Heavy snowfall at all elevations and strong winds at mid to upper elevations could cause tree and/or power line damage.

* ADDITIONAL DETAILS...It is best to prepare for the expected snowfall as soon as possible, as travel could be very difficult to nearly impossible Tuesday night into Wednesday morning in some areas.

* View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD