Jefferson County, MO: Current UV Index and Hourly Forecast

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As of 10:47 AM CST on December 21, 2024, all 25 cities in Jefferson County, MO in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Arnold, MO with a reading of 1.1.

Over the next 24 hours, the highest UV Index reading in Jefferson County, MO is expected to be 2 in Festus between 12:00 PM - 1:00 PM CST today.

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Current UV Index in Cities in Jefferson County, MO

• Arnold - 1.1
• Barnhart - 1.1
• Briarwood Estates - 1.1
• Byrnes Mill - 1.1
• Cedar Hill - 1.1
• Cedar Hill Lakes - 1.1
• Crystal City - 1.1
• De Soto - 1.1
• Festus - 1.1
• Herculaneum - 1.1
• High Ridge - 1.1
• Hillsboro - 1.1
• Horine - 1.1
• Imperial - 1.1
• Kimmswick - 1.1
• LaBarque Creek - 1.1
• Lake Tekakwitha - 1.1
• Murphy - 1.1
• Olympian Village - 1.1
• Parkdale - 1.1
• Peaceful Village - 1.1
• Pevely - 1.1
• Raintree Plantation - 1.1
• Scotsdale - 1.1
• Summer Set - 1.1