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

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As of 2:30 PM CDT on April 1, 2025, out of 98 cities in St. Louis County, MO in our database, 96 cities (98%) have a UV Index reading of Moderate, while 2 cities (2%) have a UV Index reading of High. The city with the highest UV Index reading right now is Wildwood, MO with a reading of 5.6.

Over the next 24 hours, the highest UV Index reading in St. Louis County, MO is expected to be 5.6 in Wildwood between 2:00 PM - 3:00 PM CDT today.

Search Cities in St. Louis County, MO

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

• Affton - 4.9
• Ballwin - 5.2
• Bel-Nor - 4.5
• Bel-Ridge - 4.5
• Bella Villa - 4.9
• Bellefontaine Neighbors - 4.5
• Bellerive Acres - 4.5
• Berkeley - 4.5
• Beverly Hills - 4.5
• Black Jack - 4.5
• Breckenridge Hills - 4.5
• Brentwood - 4.9
• Bridgeton - 5.1
• Calverton Park - 4.5
• Castle Point - 4.5
• Champ - 5.1
• Charlack - 4.5
• Chesterfield - 5.1
• Clarkson Valley - 5.1
• Clayton - 4.5
• Concord - 4.9
• Cool Valley - 4.5
• Country Club Hills - 4.5
• Country Life Acres - 5.2
• Crestwood - 5.2
• Creve Coeur - 5.1
• Crystal Lake Park - 5.2
• Dellwood - 4.5
• Des Peres - 5.2
• Edmundson - 4.5
• Ellisville - 5.2
• Eureka - 5.6
• Fenton - 5.2
• Ferguson - 4.5
• Flordell Hills - 4.5
• Florissant - 4.5
• Frontenac - 5.1
• Glasgow Village - 4.5
• Glen Echo Park - 4.5
• Glendale - 5.2
• Grantwood Village - 4.9
• Green Park - 4.9
• Greendale - 4.5
• Hanley Hills - 4.5
• Hazelwood - 5.1
• Hillsdale - 4.5
• Huntleigh - 5.2
• Jennings - 4.5
• Kinloch - 4.5
• Kirkwood - 5.2
• Ladue - 5.1
• Lakeshire - 4.9
• Lemay - 4.9
• Manchester - 5.2
• Maplewood - 4.9
• Marlborough - 4.9
• Maryland Heights - 5.1
• Mehlville - 4.9
• Moline Acres - 4.5
• Normandy - 4.5
• Northwoods - 4.5
• Norwood Court - 4.5
• Oakland - 5.2
• Oakville - 4.9
• Old Jamestown - 4.5
• Olivette - 5.1
• Overland - 4.5
• Pagedale - 4.5
• Pasadena Hills - 4.5
• Pasadena Park - 4.5
• Pine Lawn - 4.5
• Richmond Heights - 4.5
• Riverview - 4.5
• Rock Hill - 4.9
• Sappington - 4.9
• Shrewsbury - 4.9
• Spanish Lake - 4.5
• St. Ann - 5.1
• St. George - 4.9
• St. John - 4.5
• Sunset Hills - 5.2
• Sycamore Hills - 4.5
• Town and Country - 5.1
• Twin Oaks - 5.2
• University City - 4.5
• Uplands Park - 4.5
• Valley Park - 5.2
• Velda City - 4.5
• Velda Village Hills - 4.5
• Vinita Park - 4.5
• Warson Woods - 5.2
• Webster Groves - 4.9
• Wellston - 4.5
• Westwood - 5.1
• Wilbur Park - 4.9
• Wildwood - 5.6
• Winchester - 5.2
• Woodson Terrace - 4.5