Randolph County, IL: Current UV Index and Hourly Forecast

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As of 9:29 AM CDT on March 22, 2026, all 14 cities in Randolph County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Chester, IL with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Randolph County, IL is expected to be 6.6 in Rockwood between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Randolph County, IL

• Baldwin - 1.3
• Chester - 1.3
• Coulterville - 1.3
• Ellis Grove - 1.3
• Evansville - 1.3
• Kaskaskia - 1.3
• Percy - 1.3
• Prairie du Rocher - 1.3
• Red Bud - 1.3
• Rockwood - 1.3
• Ruma - 1.3
• Sparta - 1.3
• Steeleville - 1.3
• Tilden - 1.3