Moderate

Gap winds out of the Paradise Valley will gust up to 50 mph over the next few hours. Gusty crosswinds may make travel difficult along Interstate 90 near Livingston. Winds are forecast to turn more westerly this afternoon. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution if driving through the area.

At 1144 AM EDT, Doppler radar was tracking a strong thunderstorm near Lake Kissimmee, moving east at 10 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... Lake Kissimmee. If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm. Seek safe shelter inside a sturdy building or hard-topped vehicle.

* WHAT...Heat index values up to 105 expected. * WHERE...Ellis, Rush, Barber, Comanche, Edwards, Kiowa, Pawnee, Pratt, and Stafford Counties. * WHEN...From noon to 8 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

At 949 AM MDT, Doppler radar was tracking an area of strong thunderstorms extending from 42 miles northwest of Livingston to 20 miles west of Livingston, moving northeast at 35 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... Livingston, Clyde Park and Wilsall. If outdoors, consider seeking shelter inside a building.

At 1149 AM EDT, Doppler radar was tracking a strong thunderstorm 9 miles south of Lake Kissimmee, moving east at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... River Ranch and Indian Lake Estates. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values up to 110 expected. * WHERE...Northern Harrison, Northern Jackson, Southern Harrison, and Southern Jackson Counties. * WHEN...Until 7 PM CDT this evening. * 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. 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 111 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 7 PM CDT this evening. * 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. 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 108 expected. * WHERE...Lower St. Bernard Parish. * WHEN...Until 7 PM CDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

At 1042 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 6 miles southwest of Souris to 7 miles west of Drake, or extending from 17 miles west of Bottineau to 29 miles west of Harvey, moving east at 35 mph. HAZARD...Wind gusts up to 40 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...

At 1120 AM EDT, Doppler radar was tracking a strong thunderstorm 8 miles southwest of Lake Kissimmee, moving east at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... River Ranch and Indian Lake Estates. If outdoors, consider seeking shelter inside a building.