Moderate

* WHAT...Sub-freezing temperatures in the upper 20s, with even colder values possible on higher ridgetops. * WHERE...Avery County. * 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. Remove hoses and cover above-ground pipes.

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Carbon and Monroe 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.

* WHAT...A developing southward flowing longshore current and a Moderate risk of rip currents is expected. * WHERE...The beaches of Volusia, Brevard, Indian River, Saint Lucie, and Martin counties. * WHEN...Through late tonight. * IMPACTS...North winds 15 to 20 mph and gusty behind a cold front will produce a north to south current parallel to the coast. These currents can push swimmers into deeper water and possibly into rip currents. Swim near a lifeguard. If caught in a rip current, relax and

* WHAT...Sub-freezing temperatures and heavy frost. * WHERE...In New York, Onondaga, Seneca, Southern Cayuga, and Yates Counties. In Pennsylvania, Lackawanna and Luzerne Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Clouds have been slow to clear this evening, but are expected to thin out late in most areas. It will only take

* WHAT...Temperatures at or slightly below freezing. * WHERE...In Tennessee, Johnson and Southeast Carter Counties. In Virginia, Lee, Russell, Scott VA, Washington VA, and Wise Counties. * WHEN...Until 9 AM EDT Sunday. * 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.

* WHAT...Temperatures up to 90 degrees F expected. Significant cooling expected overnight. * WHERE...Tualatin Valley. * WHEN...From 8 AM to 11 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...There is around 5% chance of high temperatures of 95 degrees or greater in urban areas around the Portland-Metro area. Overall Moderate HeatRisk with relieving cooling temperatures overnight. Highs will be near record breaking temperatures for this time of year.

* WHAT...Temperatures up to 91 degrees F expected. Significant cooling expected overnight. * WHERE...Greater Vancouver Metro, Lower Columbia River and Cowlitz River Valleys, Inner Portland Metro, and East Portland Metro. * WHEN...From 8 AM to 11 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...There is around 5% chance of high temperatures of 95 degrees or greater in urban areas around the Portland-Metro area. Overall Moderate HeatRisk with relieving

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of east central, northeast, south central, and southeast Kentucky. * WHEN...Until 9 AM EDT Sunday. * 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.

* WHAT...Dangerous rip currents. * WHERE...Kenedy Island, Willacy Island and Cameron Island Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

* WHAT...Sub-freezing temperatures expected across much of northern lower Michigan along and east of US-131 tonight. Low-lying interior areas could see low temperatures in the mid to upper 20s. Above-freezing low temperatures are possible along the immediate shorelines. * WHERE...A portion of Northern Lower Michigan. * WHEN...Until 8 AM EDT Sunday. * IMPACTS...Frost and freeze conditions could damage or kill crops and other sensitive vegetation if left unprotected. Take steps now to protect tender plants from the cold.