Moderate

* WHAT...Visibility of one quarter mile or less in dense fog. * WHERE...Jefferson, Keokuk, and Van Buren Counties. * WHEN...Until 9 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 800 PM MDT, Doppler radar was tracking a strong thunderstorm 14 miles northeast of Wild Horse Point, or 45 miles southeast of Limon, moving northwest at 10 mph. HAZARD...Wind gusts up to 50 mph and penny 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... Mainly rural areas of Southeastern Lincoln County.

At 801 PM MDT, Doppler radar was tracking a strong thunderstorm near Wellington, or 10 miles southeast of Price, moving northeast at 15 mph. HAZARD...Half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Wellington and East Carbon. This includes US Route 6 between mile markers 248 and 260. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to

At 703 PM PDT, Doppler radar was tracking a strong thunderstorm over Pepperwood, or over Grizzly Creek Redwoods State Park, moving west at 15 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Grizzly Creek Redwoods State Park, Rio Dell, Pepperwood, Carlotta, Scotia, Shively and Hydesville. HWY 36 Monitor the weather situation closely and be alert for threatening weather conditions.

At 705 PM PDT, Doppler radar was tracking a strong thunderstorm over Medford, moving west at 25 mph. HAZARD...Winds in excess of 30 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... Medford, Central Point, Eagle Point, Talent, Jacksonville, Gold Hill, Britt Gardens, Touvelle State Park, Roxy Ann Peak, White City, Upper

At 945 PM EDT, a strong thunderstorm was located near Granville, moving east at 25 mph. HAZARD...Wind gusts up to 40 mph, pea size hail, and frequent cloud-to-ground lightning. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Hail may cause minor damage to vegetation. Lightning can cause serious injury or death. Locations impacted include... Newark, Granville, Utica, Hanover, Granville South, Marne, St.

At 745 PM MDT, Doppler radar was tracking a strong thunderstorm 22 miles northeast of Sunnyside, or 39 miles southeast of Duchesne, moving northeast at 15 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation and outdoor objects is possible. This storm will remain over mainly rural areas of Uintah County. If outdoors, consider seeking shelter inside a building.

* WHAT...West winds 10 to 20 mph with gusts up to 35 mph. * WHERE...San Luis Reservoir. * WHEN...Until midnight PDT tonight. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Highways impacted include State Route 152.

* WHAT...Heat index values up to 105 degrees Thursday afternoon. * WHERE...Clay, Crawford, Effingham, Jasper, Lawrence, and Richland Counties. * WHEN...Until 7 PM CDT Thursday. * 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.

At 632 PM PDT, Doppler radar was tracking an area of strong thunderstorms 9 miles northwest of Dinsmore, or 14 miles northeast of Grizzly Creek Redwoods State Park, moving northwest at 10 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Mainly rural areas of East Central Humboldt County. HWY 36 Monitor the weather situation closely and be alert for threatening weather conditions.