Expected

* WHAT...An incoming long-period northwesterly swell will increase the risk of sneaker waves and strong rip currents. * WHERE...Beaches along the Pacific Coast. * WHEN...From Saturday morning through Sunday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Stay off of jetties, piers, rocks, and other waterside

* WHAT...Moderate risk of sneaker waves expected. * WHERE...Beaches of Curry, Coos, and Douglas counties. * WHEN...From this evening through Sunday morning. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and sweep them into the ocean. The waves can also move logs or other objects which could crush or trap anyone caught underneath. * ADDITIONAL DETAILS...A short period northwest swell and a

* WHAT...Sub-freezing temperatures as low as 30. * WHERE...Portions of west central Iowa and east central and northeast Nebraska. * WHEN...Until 8 AM CDT 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...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...In Arizona, Lake Mohave - AZ side. In California, Death Valley National Park, Owens Valley North, and Owens Valley South. In Nevada, Esmeralda and Central Nye County and Lake Mohave - NV side. * WHEN...From 11 AM PDT / MST to 8 PM PDT / MST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Western Mojave Desert. * WHEN...From 3 PM Sunday to 11 PM PDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high-profile vehicles. Use extra caution.

Near record heat is forecast for most of South Florida today, especially across the east coast metro. Temperatures are forecast to reach the lower to mid 90s by this afternoon, with heat index in the upper 90s to near 100. These temperatures could lead to heat illness or heat stroke for people outdoors for prolonged periods without adequate cooling, hydration, or attire could be dangerous. If you are planning on being outdoors for extended

With temperatures falling into the mid and upper 30s, patchy frost is possible early this morning, mainly in rural valleys. Those with sensitive plants outdoors may want to consider protecting them.

Patchy dense fog has developed this morning, especially in valley areas. Remain alert for rapid changes in visibility if driving this morning. Visibilities will improve as the morning progresses.

* WHAT...Sub-freezing temperatures as low as 27 TO 32 degrees along with widespread frost. * WHERE...Greeley, Howard, Merrick, Nance, Sherman, Valley, Polk, Buffalo, Dawson, and Gosper Counties. * WHEN...Until 8 AM CDT 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. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

* WHAT...Dangerous rip currents expected. * WHERE...Franklin County Beaches along with the South-facing and State Park Beaches of Gulf County. * WHEN...Through late tonight. * 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.