Moderate

Possible threat to life or property

Puerto Rico, U.S. Virgin Islands Moderate Heat Advisory | Effective 08/17/2026 22:44

* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. expected. * WHERE...Portions of Puerto Rico and Virgin Islands. * WHEN...From 10 AM this morning to 5 PM AST this afternoon. * 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

Utah Moderate Special Weather Statement | Effective 08/17/2026 22:15

At 1115 PM MDT, Doppler radar was tracking a strong thunderstorm near Delle, or 18 miles west of Grantsville, moving northeast at 30 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... Grantsville, Stansbury Park, Delle, Great Salt Lake South of the Causeway, Lake Point, and Erda. This includes Interstate 80 in Utah between mile markers 66 and 99. If outdoors, consider seeking shelter inside a building.

South Dakota Moderate Special Weather Statement | Effective 08/17/2026 22:27

At 1227 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 6 miles southwest of Vayland to 6 miles northeast of Byre Lake, or extending from 9 miles southeast of Miller to 10 miles southwest of Lower Brule, moving southeast at 45 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. The strong thunderstorm will be near...

South Dakota Moderate Special Weather Statement | Effective 08/17/2026 22:01

At 1201 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 6 miles northeast of Highmore to near Degrey Rec Area, or extending from 6 miles northeast of Highmore to 21 miles northwest of Lower Brule, moving south at 40 mph. HAZARD...Wind gusts of 50 to 55 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. The strong thunderstorm will be near...

Arkansas, Louisiana, Oklahoma, Texas Moderate Heat Advisory | Effective 08/17/2026 22:02

* WHAT...Heat index values up to 110. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * WHEN...Until 8 PM CDT Wednesday. * 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

Nebraska Moderate Special Weather Statement | Effective 08/17/2026 22:02

At 1102 PM MDT, Doppler radar was tracking a strong thunderstorm over Scottsbluff, moving east at 60 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... Scottsbluff, Gering, Mitchell, Bayard, Terrytown, Minatare, Melbeta, McGrew, Lake Minatare State Recreation Area, Lake Alice Number 2,

Georgia, South Carolina Moderate Heat Advisory | Effective 08/17/2026 22:13

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of east central Georgia and central South Carolina. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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.

Georgia Moderate Heat Advisory | Effective 08/17/2026 21:50

* WHAT...Heat index values up to 112 expected. * WHERE...A portion of southeast Georgia. * WHEN...From 11 AM this morning to 8 PM EDT 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

Nebraska, Wyoming Moderate Special Weather Statement | Effective 08/17/2026 21:30

At 1029 PM MDT, Doppler radar was tracking a strong thunderstorm over Morrill, or 12 miles east of Torrington, moving southeast at 50 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... Scottsbluff, Gering, Mitchell, Terrytown, Morrill, Minatare, Lyman, Melbeta, Henry, Huntley, Wildcat Hills State Recreation Area, Lake
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