Moderate

Patchy dense fog has developed over the Hill Country extending into portions of the I-35 corridor and Coastal Plains producing local visibility of 1/4 mile or less. Motorists are advised to use caution, utilize low beam headlights, and allow extra space between vehicles.

At 611 AM CDT, Doppler radar was tracking a strong thunderstorm 5 miles south of Grayback, moving southeast at 20 mph. HAZARD...Wind gusts of 30 mph and pea 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. Locations impacted include... Dundee, Mankins, Grayback, Lake Diversion, northeastern Lake Kemp, and Lake Kickapoo. If outdoors, consider seeking shelter inside a building.

* WHAT...For the Heat Advisory, temperature values up to 100 degrees. For the Lake Wind Advisory, southeast winds 10 to 20 mph with gusts up to 35 mph. * WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, and McCone Counties. * WHEN...For the Heat Advisory, until 10 PM MDT this evening. For the Lake Wind Advisory, until 4 AM MDT Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Hot temperatures may cause heat illnesses.

* WHAT...Southeast winds 10 to 15 mph with gusts up to 30 mph. * WHERE...Petroleum County. * WHEN...Until 4 AM MDT Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Boaters on Fort Peck Lake should use extra caution since strong winds and rough waves can overturn small craft.

* WHAT...For the Heat Advisory, temperature values up to 100 degrees. For the Lake Wind Advisory, southeast winds 10 to 20 mph with gusts up to 35 mph. * WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, and McCone Counties. * WHEN...For the Heat Advisory, until 10 PM MDT this evening. For the Lake Wind Advisory, until 4 AM MDT Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Hot temperatures may cause heat illnesses.

* WHAT...Temperature values up to 100 degrees. * WHERE...Daniels, Dawson, Eastern Roosevelt, Northern Phillips, Northern Valley, Prairie, Richland, Sheridan, Western Roosevelt, and Wibaux Counties. * WHEN...Until 10 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

At 539 AM CDT, Doppler radar was tracking a strong thunderstorm 5 miles southwest of Lockett, moving southeast at 15 mph. HAZARD...Wind gusts of 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Lockett, Lake Kemp, Grayback, and Rayland. If outdoors, consider seeking shelter inside a building.

Some patchy dense fog is occurring this morning, especially in lower terrain areas. Fog will dissipate between 8am and 10am. For those traveling, utilize low-beam headlights, leave extra distance between cars and use extra caution when driving.

Fog has developed across portions of the region this morning. Fog could be dense in some locations, with visibility a quarter of a mile or less. Use caution if traveling, and be alert for rapidly changing visibility over a short distance. Use low beam headlights and allow for greater distances between vehicles.

Saturated ground from recent rains and ample low-level moisture have supported the development of patchy fog across portions of southern Indiana and central Kentucky. Motorists should be prepared for sudden changes in visibility to one-half mile or less by reducing speed, increasing following distance, and turning off high beam headlights. Fog should dissipate by mid-morning.