St. Louis County, MO: Current UV Index and Hourly Forecast

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As of 11:12 AM CST on December 21, 2024, all 98 cities in St. Louis County, MO in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Chesterfield, MO with a reading of 1.7.

Over the next 24 hours, the highest UV Index reading in St. Louis County, MO is expected to be 1.9 in Florissant between 12:00 PM - 1:00 PM CST today.

Search Cities in St. Louis County, MO

Current UV Index in Cities in St. Louis County, MO

• Affton - 1.7
• Ballwin - 1.7
• Bel-Nor - 1.6
• Bel-Ridge - 1.6
• Bella Villa - 1.7
• Bellefontaine Neighbors - 1.6
• Bellerive Acres - 1.6
• Berkeley - 1.6
• Beverly Hills - 1.6
• Black Jack - 1.6
• Breckenridge Hills - 1.6
• Brentwood - 1.7
• Bridgeton - 1.7
• Calverton Park - 1.6
• Castle Point - 1.6
• Champ - 1.7
• Charlack - 1.6
• Chesterfield - 1.7
• Clarkson Valley - 1.7
• Clayton - 1.6
• Concord - 1.7
• Cool Valley - 1.6
• Country Club Hills - 1.6
• Country Life Acres - 1.7
• Crestwood - 1.7
• Creve Coeur - 1.7
• Crystal Lake Park - 1.7
• Dellwood - 1.6
• Des Peres - 1.7
• Edmundson - 1.6
• Ellisville - 1.7
• Eureka - 1.7
• Fenton - 1.7
• Ferguson - 1.6
• Flordell Hills - 1.6
• Florissant - 1.6
• Frontenac - 1.7
• Glasgow Village - 1.6
• Glen Echo Park - 1.6
• Glendale - 1.7
• Grantwood Village - 1.7
• Green Park - 1.7
• Greendale - 1.6
• Hanley Hills - 1.6
• Hazelwood - 1.7
• Hillsdale - 1.6
• Huntleigh - 1.7
• Jennings - 1.6
• Kinloch - 1.6
• Kirkwood - 1.7
• Ladue - 1.7
• Lakeshire - 1.7
• Lemay - 1.7
• Manchester - 1.7
• Maplewood - 1.7
• Marlborough - 1.7
• Maryland Heights - 1.7
• Mehlville - 1.7
• Moline Acres - 1.6
• Normandy - 1.6
• Northwoods - 1.6
• Norwood Court - 1.6
• Oakland - 1.7
• Oakville - 1.7
• Old Jamestown - 1.6
• Olivette - 1.7
• Overland - 1.6
• Pagedale - 1.6
• Pasadena Hills - 1.6
• Pasadena Park - 1.6
• Pine Lawn - 1.6
• Richmond Heights - 1.6
• Riverview - 1.6
• Rock Hill - 1.7
• Sappington - 1.7
• Shrewsbury - 1.7
• Spanish Lake - 1.6
• St. Ann - 1.7
• St. George - 1.7
• St. John - 1.6
• Sunset Hills - 1.7
• Sycamore Hills - 1.6
• Town and Country - 1.7
• Twin Oaks - 1.7
• University City - 1.6
• Uplands Park - 1.6
• Valley Park - 1.7
• Velda City - 1.6
• Velda Village Hills - 1.6
• Vinita Park - 1.6
• Warson Woods - 1.7
• Webster Groves - 1.7
• Wellston - 1.6
• Westwood - 1.7
• Wilbur Park - 1.7
• Wildwood - 1.7
• Winchester - 1.7
• Woodson Terrace - 1.6