Moderate

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Clatsop County Coast, Tillamook County Coast, and Central Coast of Oregon Counties. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.

* WHAT...West to Southwest winds 30 to 40 mph with gusts up to 50 mph expected. * WHERE...Unalaska and Nikolski. * WHEN...From 4 AM to 10 PM AKDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel may be difficult. * ADDITIONAL DETAILS...A low pressure system in the southern Bering will bring strong westerly and southwesterly winds beginning Sunday morning and continuing through Sunday evening. Intermittent wind

* WHAT...Hot conditions with maximum temperatures in the low-80s to low-90s. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The Marin Hills, San Francisco, and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...From 11 AM this morning to 10 PM PDT Sunday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.

* 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.

* WHAT...For the Heat Advisory, hot conditions with maximum temperatures in the low-80s to low-90s. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...Northern Monterey Bay. * WHEN...From 11 AM this morning to 10 PM PDT Sunday. * IMPACTS...For the Heat Advisory, this level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through Sunday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard and away from rocks, jetties, and piers. 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

At 942 AM EDT/842 AM CDT/, Doppler radar was tracking a strong thunderstorm 15 miles west of Port St. Joe, moving north at 15 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Panama City, Panama City Beach, Callaway, Port St. Joe, Springfield, Mexico Beach, Tyndall Air Force Base, Parker, St Andrews State Park, Allanton, Cedar Grove, Dirego Park, Beacon Beach, Odena, Overstreet,

* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Sunday 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...Visibility under one mile in dense fog. * WHERE...Far Northeast Highlands, Johnson and Bartlett Mesas Including Raton Pass, and Northeast Highlands. * WHEN...Until 9 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.

Winds out of the south to southwest will gust 30 to near 45 mph this morning. These gusty winds will blow around unsecured objects.