Louisiana (LA): Current UV Index and Hourly Forecast

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As of 12:25 PM CST on December 15, 2025, all 488 cities in Louisiana in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Houma, LA with a reading of 3.8.

Over the next 24 hours, the highest UV Index reading in Louisiana is expected to be 3.8 in Houma between 12:00 PM - 1:00 PM CST today.

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Counties in Louisiana (LA)

• Acadia Parish
• Allen Parish
• Ascension Parish
• Assumption Parish
• Avoyelles Parish
• Beauregard Parish
• Bienville Parish
• Bossier Parish
• Caddo Parish
• Calcasieu Parish
• Caldwell Parish
• Cameron Parish
• Catahoula Parish
• Claiborne Parish
• Concordia Parish
• De Soto Parish
• East Baton Rouge Parish
• East Carroll Parish
• East Feliciana Parish
• Evangeline Parish
• Franklin Parish
• Grant Parish
• Iberia Parish
• Iberville Parish
• Jackson Parish
• Jefferson Davis Parish
• Jefferson Parish
• LaSalle Parish
• Lafayette Parish
• Lafourche Parish
• Lincoln Parish
• Livingston Parish
• Madison Parish
• Morehouse Parish
• Natchitoches Parish
• Orleans Parish
• Ouachita Parish
• Plaquemines Parish
• Pointe Coupee Parish
• Rapides Parish
• Red River Parish
• Richland Parish
• Sabine Parish
• St. Bernard Parish
• St. Charles Parish
• St. Helena Parish
• St. James Parish
• St. John the Baptist Parish
• St. Landry Parish
• St. Martin Parish
• St. Mary Parish
• St. Tammany Parish
• Tangipahoa Parish
• Tensas Parish
• Terrebonne Parish
• Union Parish
• Vermilion Parish
• Vernon Parish
• Washington Parish
• Webster Parish
• West Baton Rouge Parish
• West Carroll Parish
• West Feliciana Parish
• Winn Parish

Current UV Index in Major Cities in Louisiana (LA)

• Alexandria - 3.6
• Baton Rouge - 3.7
• Bayou Cane - 3.8
• Bossier City - 3.3
• Central - 3.7
• Chalmette - 3.7
• Estelle - 3.8
• Gretna - 3.7
• Hammond - 3.7
• Harvey - 3.7
• Houma - 3.8
• Kenner - 3.7
• Lafayette - 3.7
• Lake Charles - 3.7
• Laplace - 3.7
• Luling - 3.7
• Mandeville - 3.7
• Marrero - 3.7
• Metairie - 3.7
• Monroe - 3.3
• Natchitoches - 3.5
• New Iberia - 3.7
• New Orleans - 3.7
• Opelousas - 3.7
• Pineville - 3.6
• Prairieville - 3.7
• River Ridge - 3.7
• Ruston - 3.3
• Shenandoah - 3.7
• Shreveport - 3.3
• Slidell - 3.7
• Sulphur - 3.7
• Terrytown - 3.7
• Thibodaux - 3.7
• Youngsville - 3.7
• Zachary - 3.7