Moderate

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of southwest Minnesota and central, east central, south central, and southeast South Dakota. * 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...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...Puerto Rico and the US Virgin Islands. * WHEN...Until 4 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...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, north central, and northeast South Dakota. * WHEN...Until noon CDT /11 AM 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.

At 856 AM CDT /756 AM MDT/, Doppler radar was tracking a strong thunderstorm 5 miles northwest of Mission Ridge, or 26 miles southeast of Eagle Butte, moving east at 15 mph. HAZARD...Wind gusts up to 40 mph and half inch 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 905 AM CDT.

At 718 AM MDT, Doppler radar was tracking a strong thunderstorm 18 miles south of Parade, or 18 miles southeast of Eagle Butte, moving east at 15 mph. HAZARD...Wind gusts up to 40 mph and half inch 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. This strong thunderstorm will remain over mainly rural areas of Southern Dewey County.

At 728 AM MDT, Doppler radar was tracking a strong thunderstorm 8 miles southeast of Parade, or 13 miles east of Eagle Butte, moving east at 20 mph. HAZARD...Wind gusts up to 40 mph and half inch 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. This strong thunderstorm will remain over mainly rural areas of South Central Dewey County.

At 704 AM MDT, Doppler radar was tracking a strong thunderstorm 6 miles southwest of Parade, or 5 miles southeast of Eagle Butte, moving east at 15 mph. HAZARD...Wind gusts up to 40 mph and half inch 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... Eagle Butte around 705 AM MDT. Parade around 720 AM MDT.

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Annette Island and Ketchikan Gateway Borough. * WHEN...From 11 AM this morning to 1 AM AKDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make travel difficult. Use extra caution.

* WHAT...South winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Prince of Wales Island and Western Kupreanof Island and Kuiu Island. * WHEN...From 11 AM this morning to 7 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. Winds this strong can make travel difficult. Use extra caution.

* WHAT...Southeast winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Admiralty Island and City and Borough of Juneau. * WHEN...Until 4 PM AKDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make travel difficult. Use extra caution.