Moderate

* 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.

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of northern and north central Iowa. * 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...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 3 to 9 feet in the surf zone. For the Coastal Flood Statement, isolated minor coastal flooding expected. * WHERE...Kenedy Island, Willacy Island and Cameron Island Counties. * WHEN...For the High Rip Current Risk, through Sunday evening. For the High Surf Advisory, until 1 AM CDT Sunday. For the Coastal Flood Statement, until 2 PM CDT this afternoon.

* WHAT...Sub-freezing temperatures away from the immediate lakeshores of northern lower Michigan. Temperatures in the low 30s are anticipated for many interior areas. Low-lying interior areas may see temperatures in the upper 20s. Above-freezing temperatures possible along lakeshore areas. * WHERE...A portion of Northern Lower Michigan. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Freeze conditions could damage or kill crops and other sensitive vegetation. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as low as 30 degrees. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. Take steps now to protect tender plants from the cold.