Moderate

Localized dense fog with visibilities dropping below one-quarter of a mile has developed. The fog is patchy, so sudden drops in visibilities when traveling our expected. Motorists should use extreme caution when driving this morning. Reduce speed, leave extra travel time and following distance, and use low beam headlights.

* WHAT...Dangerous rip currents expected. * WHERE...Northeast Florida Beaches. * WHEN...From Tuesday afternoon through late Wednesday night. * 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 expected. * WHERE...Southeast Georgia Beaches. * WHEN...From Tuesday morning through late Wednesday night. * 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.

Patchy to areas of fog have developed across portions of the area this morning. In some locations, the fog will become locally dense and reduce visibility to one-quarter mile or less at times. These conditions may persist until shortly after sunrise. Slow down, use low beam headlights, and allow for extra distance between yourself and other motorists if encountering fog during the morning commute.

* WHAT...Dangerous rip currents. * WHERE...Kenedy Island, Willacy Island and Cameron Island Counties. * WHEN...Through this 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.

Patchy dense fog has formed across the area south of I-70. Some areas may see visibilities falling to one- quarter mile or less. Fog will last into the morning commute. Slow down, use low beam headlights, and keep extra distance between your vehicle and other vehicles. Fog will begin to dissipate by about 9 AM EDT this morning.

Pockets of dense fog have developed across parts of eastern Kentucky early this morning, with visibility reduced to below one-quarter mile in some locations. These conditions may persist until near or shortly after sunrise before the fog begins to lift or burn off. You should expect to encounter sharp reductions in visibility if traveling through the remainder of the overnight. Use low-beam headlights, allow yourself extra time to reach your destination,

Localized dense fog with visibilities dropping below one-quarter of a mile has developed. The fog is patchy, so sudden drops in visibilities when traveling our expected. Motorists should use extreme caution when driving this morning. Reduce speed, leave extra travel time and following distance, and use low beam headlights.

* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...Puerto Rico and U.S. Virgin Islands. * WHEN...From 10 AM this morning to 3 PM AST this afternoon. * IMPACTS...High temperatures or elevated heat indices can worsen symptoms in people with chronic conditions. They can also increase the risk of heat-related illness among individuals sensitive to heat with inadequate cooling or hydration. These risks are highest

* WHAT...Hot conditions with maximum temperatures in the mid-90s to low-100s. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio.