Moderate

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central North Dakota, including the James River Valley. * WHEN...Until 11 AM CDT /10 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 one quarter mile or less in dense fog. * WHERE...Central and Southern Ward and Renville Counties. * WHEN...Until 11 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.

Area webcams along Interstate 80, Highway 85, and Highway 385 show visibilities occasionally at or below one half mile near Cheyenne, Kimball, Alliance, and around Sidney early this morning. Low clouds and fog are expected to develop further west along the Interstate 25 corridor over the next few hours. Visibilities will fluctuate between one quarter mile and two miles before 10:00 AM MDT. Motorists are urged to slow down and be prepared for a sudden

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, north central, and northeast South Dakota. * WHEN...Until 11 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...Buffalo and Lyman Counties. * WHEN...Until 11 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...Grant and Western Sioux Counties. * WHEN...Until 11 AM CDT /10 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 one quarter mile or less in dense fog. * WHERE...Much of central North Dakota, including the James River Valley. * WHEN...Until 11 AM CDT /10 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 one quarter to one half mile in dense fog. * WHERE...Mellette, Todd, and Tripp. * WHEN...Until 11 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.

Fog, locally dense, will occur this morning across the area. Be prepared for rapid fluctuations in visibility. If traveling, be prepared for hazardous driving conditions due to low visibility. Visibility should improve by mid-morning.

At 430 AM MDT, Doppler radar was tracking a strong thunderstorm near Malaga, or 17 miles southeast of Carlsbad, moving northeast at 25 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Carlsbad, Loving, Malaga, Otis, and Cavern City Air Terminal. If outdoors, consider seeking shelter inside a building.