Cave-In-Rock, IL: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Cave-In-Rock, Hardin County, Illinois (IL). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
3:04 PM CDT

4.7Risk: Moderate

(Updated 4 minutes ago.)

As of 3:04 PM CDT, the UV Index in Cave-In-Rock, IL is 4.7 (Moderate).
The UV Index is expected to fall sharply to 2.6 (still Moderate) between 4:00 PM - 5:00 PM CDT today.

Hourly UV Index Forecast for Today
Sunday, September 20, 2026

12 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PMCentral Daylight Time (CDT)0123456789101112Current Time: 3:04 PM, CDT

UV Index Data sourced from the NOAA.


As of 3:04 PM CDT today in Cave-In-Rock, IL, the UV Index is currently at a moderate level of 4.7. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 4:00 PM and then drop to low levels again from 5:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 7:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Cave-In-Rock, IL

Today

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (CDT)0 - 1.1
Low
10:00 AM - 12:00 PM2.9 - 4.7
Moderate
12:00 PM - 3:00 PM6.1 - 6.8
High
3:00 PM - 5:00 PM2.6 - 4.7
Moderate
5:00 PM - 12:00 AM0 - 1.2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (CDT)0 - 1.3
Low
10:00 AM - 12:00 PM2.9 - 4.8
Moderate
12:00 PM - 2:00 PM5.7 - 6
High
2:00 PM - 4:00 PM4.3 - 5.1
Moderate
4:00 PM - 12:00 AM0 - 2.3
Low

Detailed Hourly Cave-In-Rock UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, CDT)4.7
Moderate
4:00 PM - 5:00 PM 2.6
Moderate
5:00 PM - 6:00 PM 1.2
Low
6:00 PM - 7:00 PM 0.1
Low
7:00 PM - 8:00 PM 0
Low
8:00 PM - 9:00 PM 0
Low
9:00 PM - 10:00 PM 0
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

Current UV Index in Nearby Cities