Severe

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of southwest North Carolina, including the following areas, Cherokee and Clay and east Tennessee, including the following areas, Anderson, Bledsoe, Blount Smoky Mountains, Bradley, Campbell, Claiborne, Cocke Smoky Mountains, East Polk, Grainger, Hamblen, Hamilton, Hancock, Hawkins, Jefferson, Knox, Loudon, Marion, McMinn, Meigs, Morgan, North Sevier, Northwest Blount, Northwest Cocke, Northwest Greene, Northwest Monroe, Rhea,

* AFFECTED AREA...In Colorado, Fire Weather Zone 207 Southwest Colorado Lower Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast Area and Fire Weather Zone 292 North Fork Forecast Area. In Utah, Fire Weather Zone 486 Eastern Uinta Basin, Fire Weather Zone 487 Book Cliffs, Fire Weather Zone 490 Colorado River Basin and Fire Weather Zone 491 Southeast Utah. * TIMING...Until 8 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...11 to 16 percent.

* WHAT...North winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...Barnstable MA and Nantucket MA Counties. * WHEN...From 8 AM to 8 PM EDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 8 to 13 feet expected. * WHERE...Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM, Ocean Waters from Provincetown to Nantucket from 20 to 60 NM, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...From 2 AM to 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

* WHAT...Northwest winds 25 to 35 kt with gusts up to 45 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 2 AM to 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...From 2 AM to 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

* WHAT...Northwest winds 25 to 35 kt with gusts up to 50 kt and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 2 AM to 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 7 to 12 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. * WHEN...From 2 AM to 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

Heavy rain combined with mountain snowpack melt may cause flows in streams and rivers to increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt is possible. * WHERE...A portion of northwest Montana, including the following areas, Flathead/Mission Valleys and West Glacier Region. This includes the following Specific Areas... Kalispell and Going-to-the-Sun Road in Glacier Park. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers,

...The National Weather Service in Missoula has issued a Flood Watch for the following rivers in Montana... Flathead River At Columbia Falls affecting Flathead County. .Heavy rain combined with mountain snowpack melt may cause flows in rivers to increase quickly and reach critical levels. For the Flathead River...including At Columbia Falls...flooding is possible. * WHAT...Flooding is possible. * WHERE...Flathead River At Columbia Falls. * WHEN...From Saturday morning to Monday morning.