Moderate

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of central, northwest, south central, southwest, and west central Iowa. * WHEN...From 1 PM to 9 PM CDT Tuesday. * 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 1021 PM EDT, Doppler radar was tracking a strong thunderstorm near Ravenna, or 14 miles south of Newaygo, moving north at 35 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Newaygo... White Cloud... Fremont... Ravenna... Hesperia... Grant... Holton... Bridgeton... Conklin...

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and south central and southeast South Dakota. * WHEN...From 1 PM to 9 PM CDT Tuesday. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

At 937 PM EDT, Doppler radar was tracking a strong thunderstorm near Ravenna, or 11 miles east of Muskegon, moving north at 30 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Fremont... Ravenna... Hesperia... Holton... Sullivan... Bridgeton... Brunswick... Moorland... Reeman...

At 840 PM CDT, Doppler radar was tracking a strong thunderstorm 9 miles south of Turkey Bay, moving east at 35 mph. HAZARD...Wind gusts up to 40 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... Dover, Big Rock, and Land Between The Lakes. If outdoors, consider seeking shelter inside a building.

At 841 PM CDT, Doppler radar was tracking a strong thunderstorm 9 miles southwest of Eagle Bend, or 15 miles northeast of Alexandria, moving northeast at 15 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Clarissa, Eagle Bend and Rose City. Monitor the weather situation closely and be alert for threatening weather conditions. Torrential rainfall is also occurring with this storm and may lead to

At 710 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles west of Grant, moving northeast at 20 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 is possible. Locations impacted include... Ogallala and Wild Horse Spring. This includes the following highways... Highway 61 between mile markers 69 and 92.

At 713 PM MDT, Doppler radar was tracking a strong thunderstorm 7 miles northeast of Escondida, or 10 miles northeast of Socorro, moving northeast at 25 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... La Joya, San Acacia, Lemitar, Escondida, Contreras and Chamizal. This includes the following highways... Highway 60 between Mile Markers 166 and 172. Interstate 25 between

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...Mojave Desert Slopes. * WHEN...Until 5 AM PDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to, State Routes 14, 58, and 178, as well as U.S. 395. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Northwest winds 10 to 20 mph expected with gusts up to 35 mph possible. * WHERE...A portion of central California. * WHEN...Until 2 AM PDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.