Moderate

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Western Magic Valley. * WHEN...From midnight tonight to 8 AM MDT Monday. * 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 expected. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...From 8 AM EDT this morning through Monday 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...Dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...Through Monday 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.

* The warm air temperatures this weekend in the lower 70s may cause people to underestimate the dangers of the cold water temperatures which are currently only in the upper 40s on the lakes and in the mid 40s on the rivers. * The cold water temperatures can quickly cause hypothermia to anyone immersed in the water. According to the Maine Warden Service, when the water temperatures are below 50 degrees, the chance of immediate incapacitation due to cold shock is extremely

* WHAT...North winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...White Pine, Southern Lander and Southern Eureka, Northern Elko, Humboldt, and Northeastern Nye Counties. * WHEN...From 11 AM to 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Areas of blowing dust will reduce visibility to one mile or less in spots. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

* WHAT...Snow and blowing snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 45 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...Snow and blowing snow will impact back country recreation and travel along Highway 14 through the Bighorn Mountains. * ADDITIONAL DETAILS...Back country activities will be impacted by difficult winter conditions.

* WHAT...Snow and blowing snow expected. Total snow accumulations up to 4 inches. Winds gusting as high as 40 mph. * WHERE...Beartooth Foothills and Red Lodge Foothills. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...Plan on difficult driving conditions due to poor visibility and slick roads. The hazardous conditions will impact the Monday morning commute. * ADDITIONAL DETAILS...The greatest snow accumulations will occur along the higher foothills near the mountains.

* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 to 60 mph. * WHERE...Southwest corner of Imperial County. * WHEN...Until 1 AM PDT Monday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles.

* WHAT...Northwest winds 15 to 25 mph with gusts up to 40 to 50 mph expected. * WHERE...Western portion of Joshua Tree National Park, Eastern portion of Joshua Tree National Park, Chuckwalla Mountains, Chiriaco Summit, Palo Verde Valley, and Chuckwalla Valley. * WHEN...From 11 PM this evening to 7 AM PDT Monday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.

* WHAT...West winds 20 to 30 mph with gusts up to 40 to 50 mph expected. * WHERE...Western Imperial County, Salton Sea, and Imperial Valley. * WHEN...From 4 PM this afternoon to 11 PM PDT this evening. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds