Moderate

At 617 AM CDT, Doppler radar was tracking a strong thunderstorm near Moweaqua, or 12 miles northeast of Taylorville, moving southeast at 35 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Moweaqua, Assumption, Blue Mound, Macon, Stonington, Willeys, and Westervelt. If outdoors, consider seeking shelter inside a building.

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Eastern Alaska Range North of Trims Camp. * WHEN...From 10 AM this morning to midnight AKDT Monday Night. * 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 will be strongest Monday. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Heat index values up to 105. * WHERE...A portion of Middle Tennessee. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity 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. 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 heat stroke.

Areas of dense fog have developing in the mountains, foothills, and river valleys, and will persist through 10 AM in some areas. Motorists should exercise extra caution, reduce speed, allow extra travel time and following distance, and use low beam headlights.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Illinois and east central and northeast Iowa. * WHEN...Until 9 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 one quarter mile or less in dense fog. * WHERE...Whiteside County. * WHEN...Until 9 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...Heat index values near or exceeding 105 will be common in the afternoon. * WHERE...A portion of east Tennessee. * WHEN...Until 8 PM EDT /7 PM CDT/ Monday. * IMPACTS...Hot temperatures and high humidity 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

At 616 AM EDT, Doppler radar was tracking a strong thunderstorm near Rio Grande, moving southeast at 25 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Point Pleasant, Gallipolis, Rio Grande, Henderson, Leon, Adamsville, Gallopolis Ferry, Southside, Gage, Ashton, and Centerpoint. If outdoors, consider seeking shelter inside a building.

Areas of fog have developed across portions of northeast Iowa this morning resulting in reduced visibilities. The fog may be locally dense with visibilities of a quarter mile or lower at times. Motorists are encouraged to slow down and use low-beam headlights when encountering dense fog.

* WHAT...Heat index values up to 109. * WHERE...Portions of central, east central, north central, northeast, northwest, southeast, and west central Georgia. * WHEN...Until 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Overnight temperatures and humidity will remain elevated, providing little relief for vulnerable populations. * ADDITIONAL DETAILS...Highest heat index values will occur from late morning through late afternoon.