Moderate

At 137 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles southeast of Antonito, or 26 miles northwest of Questa, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... Manassa and Mesita. If outdoors, consider seeking shelter inside a building.

At 139 PM MDT, Doppler radar was tracking a strong thunderstorm near Spanish Peaks, or 25 miles northwest of Trinidad, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... Walsenburg, La Veta, Aguilar, La Veta Pass, Gulnare, Cuchara Pass,

At 143 PM MDT, Doppler radar was tracking a strong thunderstorm 32 miles east of Ranch Campground, or 33 miles east of Ursine, moving northeast at 30 mph. HAZARD...Wind gusts of 50 to 55 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. This storm will remain over mainly rural areas of south central Beaver and northwestern Iron Counties. If outdoors, consider seeking shelter inside a building.

At 115 PM MDT, Doppler radar was tracking a strong thunderstorm 19 miles northwest of Big Water, or 33 miles east of Kanab, moving north at 10 mph. HAZARD...Wind gusts of 50 to 55 mph and nickel 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. This storm will remain over mainly rural areas of central Kane County. This includes US Route 89 between mile markers 29 and 33.

* WHAT...Heat index values up to 105. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...Until 8 PM CDT Friday. * 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

* WHAT...Heat index values up to 108. * WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...Until 8 PM CDT Friday. * 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. Young children and pets should never be left unattended in vehicles under any

At 104 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles east of Big Water, or 50 miles south of Escalante, moving northeast at 25 mph. HAZARD...Wind gusts of 50 to 55 mph and nickel 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... Lake Powell. This includes US Route 89 near mile marker 2. If outdoors, consider seeking shelter inside a building.

At 110 PM MDT, Doppler radar was tracking a strong thunderstorm 7 miles southeast of Zion National Park, moving northeast at 25 mph. HAZARD...Wind gusts of 50 to 55 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... Zion National Park, Springdale, Glendale, and Rockville. This includes US Route 89 between mile markers 100 and 101.

* WHAT...Heat index values up to around 105. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest, and west central Missouri. * WHEN...Until 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 each day, the combination of the longevity of the heat and little or limited relief during overnight periods have prompted the multi-day Heat Advisory.

At 1216 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles southeast of Cedar Breaks National Monument, or 20 miles northeast of Zion National Park, moving northeast at 15 mph. HAZARD...Wind gusts of 50 to 55 mph and nickel 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... Hatch, Cedar Breaks National Monument, Panguitch Lake, and Long Valley Junction.