Moderate

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Custer, Blaine, Garfield, Loup, Thomas, Wheeler, Frontier, Hayes, Lincoln, and Logan Counties. * WHEN...Until 10 AM CDT Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

At 1041 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 28 miles south of National Radio Astronomy Observatory to 18 miles south of Bosque Del Apache Refuge, moving north 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 damage to outdoor objects is possible. Locations impacted include... Socorro, Magdalena, San Antonio, Bosque Del Apache Refuge,

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of north central Kansas and central, east central, and south central Nebraska. * WHEN...Until 10 AM CDT Thursday. * 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...Republic, Washington, Brown, Marshall, and Nemaha Counties. * WHEN...Until 10 AM CDT Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.

At 954 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 35 miles east of Beaverhead to 29 miles south of Bosque Del Apache Refuge, moving north at 40 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... Bosque Del Apache Refuge. This includes Interstate 25 between Mile Markers 103 and 132. Monitor the weather situation closely and be alert for threatening

* WHAT...Visibility as low as one quarter to one half mile in dense fog. * WHERE...Portions of southwest Iowa and east central, northeast, and southeast Nebraska. * WHEN...Until 10 AM CDT Thursday. * 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 less than one half mile in dense fog. * WHERE...Portions of central and southern Iowa. * WHEN...Until 10 AM CDT Thursday. * 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 less than one half mile in dense fog. * WHERE...Polk, Mahaska, Marion, and Warren Counties. * WHEN...Until 10 AM CDT Thursday. * 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 up to 108 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 7 PM CDT Thursday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Heat index values up to 107 expected. * WHERE...In Arkansas, Southern Sebastian County. In Oklahoma, Okfuskee, Creek, Central Le Flore, Choctaw, Pushmataha, and Southern Le Flore Counties. * WHEN...From noon to 7 PM CDT Thursday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. Take extra precautions when outside. Wear lightweight and loose