Moderate

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Buffalo, Hand, Jones, and Lyman Counties. * WHEN...Until noon CDT today. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...East winds 25 to 35 mph with gusts to 55 mph. * WHERE...Oahu, Kauai, and Niihau. The strongest winds are expected on Oahu, especially over and downwind of terrain. * WHEN...Until 6 PM HST this evening. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. Watch out for falling tree branches when walking or driving. Make

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of central, south central, and southeast South Dakota. * WHEN...Until 11 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...For the Coastal Flood Advisory, 1 to 2 feet of inundation above ground level low-lying areas near shorelines and tidal waterways with compromised dune structures. Elevated water levels due to high astronomical tides and moderate west winds may lead to localized minor flooding of low-lying areas prone to soundside flooding. For the Beach Hazards Statement, dangerous rip currents, large breaking waves, and hazardous debris expected in the surf zone.

* WHAT...For the Beach Hazards Statement, dangerous rip currents, large breaking waves, and hazardous debris in the surf zone. For the Coastal Flood Advisory, up to one to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways with compromised dune structures. * WHERE...Hatteras Island. * WHEN...For the Coastal Flood Advisory, until midnight EDT tonight. For the Beach Hazards Statement, through this evening.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of south central and southwestern South Dakota. * WHEN...Until 10 AM MDT /11 AM CDT/ this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

At 943 AM CDT /843 AM MDT/, Doppler radar was tracking a strong thunderstorm near Mission Ridge, or 30 miles southeast of Eagle Butte, moving east at 20 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. The strong thunderstorm will be near... Mission Ridge around 955 AM CDT. Monitor the weather situation closely and be alert for threatening

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of central, north central, and southwest Nebraska. * WHEN...Until 11 AM CDT /10 AM MDT/ this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Dense fog has cleared across portions of the Sandhills and southwest Nebraska. Therefore, the Dense Fog Advisory will be expired at 10 AM CDT.

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Yankton County. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.