Moderate

* WHAT...Highly variable visibility as low as one quarter of a mile in dense fog. * WHERE...Canyon Ferry Area, Gallatin Valley, Madison River Valley, and Missouri Headwaters. * WHEN...Until noon MDT 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...Temperatures up to 95 expected. * WHERE...Coastal areas of southwest California * WHEN...From 10 AM Thursday to 8 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. In the event of a nearby wildfire, smoke may increase heat and physical stress. If smoke impacts your area; 1) Have a cooling plan in place as smoke could limit your ability to cool your home through

* WHAT...For the Beach Hazards Statement, dangerous rip currents and elevated surf are expected. For the Coastal Flood Advisory, minor to moderate coastal flooding can be expected near times of high tide. * WHERE...Malibu Coast and Los Angeles County Beaches. * WHEN...For the Coastal Flood Advisory, until 2 PM PDT this afternoon. For the Beach Hazards Statement, until 5 PM PDT this afternoon. * IMPACTS...Minor to moderate flooding of sea water is likely

* WHAT...For the Beach Hazards Statement, dangerous rip currents and elevated surf are expected. For the Coastal Flood Advisory, minor to moderate coastal flooding can be expected near times of high tide. * WHERE...Ventura County Beaches. * WHEN...For the Coastal Flood Advisory, until 2 PM PDT this afternoon. For the Beach Hazards Statement, until 5 PM PDT this afternoon. * IMPACTS...Minor to moderate flooding of sea water is likely around high tide at low-lying beach and harbor areas that is

* WHAT...Dangerous rip currents and elevated surf are expected. * WHERE...Santa Barbara County Southwestern Coast and Santa Barbara County Southeastern Coast. * WHEN...Until 2 PM PDT this afternoon. * IMPACTS...Minor flooding of sea water is possible around high tide at low-lying beach and harbor areas. Minor beach erosion is possible. There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore.

* WHAT...Visibility of one quarter of a mile or less in dense fog. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until 11 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.

* WHAT...Visibility of one quarter of a mile or less in dense fog. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until 11 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.

* WHAT...Highly variable visibility as low as one quarter of a mile in dense fog. * WHERE...Canyon Ferry Area, Helena Valley, Meagher County Valleys, Gallatin Valley, Madison River Valley, and Missouri Headwaters. * WHEN...Until noon MDT today. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Below freezing temperatures may lead to a glaze of ice on surfaces, most notably on bridges and overpasses. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Jefferson Davis, Lawrence, Marion, Covington, Forrest, Jones, and Lamar Counties. * 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.

* WHAT...Visibility less than one mile in dense fog. * WHERE...Portions of southeast Louisiana and southern Mississippi. * 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.