Moderate

* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...Portions of Puerto Rico and Virgin Islands. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and

* WHAT...Snow and blowing snow. Total snow accumulations of 4 to 6 inches at or above pass level. Wind gusts up to 30 mph. Blowing snow could reduce visibility to 1/2 mile or less at times. Pockets of wintry mix possible. * WHERE...Central Brooks Range, primarily Atigun Pass. * WHEN...Until 4 PM AKDT Saturday. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...Snow is initially expected above 2500 feet, with snow levels rising to 4000 feet Friday afternoon. What snow

* WHAT...South winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Windy Pass * WHEN...Until 10 PM AKDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Wind gusts have likely peaked this morning, with gusts of 70 mph observed. Winds will gradually weaken throughout the day. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Strong southeasterly winds are expected to increase this morning and continue through this evening before diminishing late tonight. The strongest winds are expected between 8 AM and 6 PM today. Periods of rain will accompany the strong winds through much of the day. South and West Anchorage (along Turnagain Arm): Winds 20 to 30 mph with gusts 35 to 45 mph. Isolated gusts to 50 mph possible. Anchorage Hillside: Winds 20 to 30 mph with gusts 40 to 55 mph. Anchorage Bowl: Winds 15 to 25 mph with gusts 25 to 35 mph.

* WHAT...Temperatures of 85 to 92. * WHERE...Orange County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

* WHAT...Temperatures of 85 to 95. * WHERE...San Bernardino County Mountains below 6000 feet. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 10 to 15 degrees above normal will limit overnight relief from the heat and will increase the threat of heat-related illness. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Temperatures of 85 to 93. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * 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.

* WHAT...Temperatures of 85 to 99. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 10 to 15 degrees above normal will limit overnight relief from the heat and will increase the threat of heat-related illness. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. If you do not have air conditioning in your home or lack shelter, you

* WHAT...Visibility quarter mile in dense fog. * WHERE...Admiralty Island, City and Borough of Yakutat, and Eastern Chichagof Island. * WHEN...Until 10 AM AKDT this morning. * IMPACTS...Low visibility could make travel conditions hazardous. If traveling, slow down and leave plenty of distance ahead of you.

* WHAT...Visibility quarter mile in dense fog. * WHERE...Gustavus * WHEN...Until 10 AM AKDT this morning. * IMPACTS...Low visibility could make travel conditions hazardous. If traveling, slow down and leave plenty of distance ahead of you.