Y-O Ranch, WY: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Y-O Ranch, Platte County, Wyoming (WY). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
2:03 PM MDT

7.6Risk: Very High

(Updated 3 minutes ago.)

As of 2:03 PM MDT, the UV Index in Y-O Ranch, WY is 7.6 (Very High).
The UV Index is expected to fall to 6.3 (High) between 3:00 PM - 4:00 PM MDT today.

Hourly UV Index Forecast for Today
Friday, May 22, 2026

7 AM10 AM1 PM4 PM7 PM10 PMMountain Daylight Time (MDT)0123456789101112Current Time: 2:03 PM, MDT

UV Index Data sourced from the NOAA.


As of 2:03 PM MDT today in Y-O Ranch, WY, the UV Index is currently at a very high level of 7.6. 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 6:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 8:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Y-O Ranch, WY

Today

Time RangeUV IndexRisk
7:00 AM - 9:00 AM (MDT)0.4 - 1.2
Low
9:00 AM - 11:00 AM2.6 - 4.4
Moderate
11:00 AM - 12:00 PM6.3
High
12:00 PM - 3:00 PM7.6 - 8.1
Very High
3:00 PM - 4:00 PM6.3
High
4:00 PM - 6:00 PM2.5 - 4.4
Moderate
6:00 PM - 12:00 AM0 - 1.1
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (MDT)0 - 2.4
Low
10:00 AM - 11:00 AM4.3
Moderate
11:00 AM - 12:00 PM6.1
High
12:00 PM - 3:00 PM7.5 - 8.2
Very High
3:00 PM - 4:00 PM5.6
High
4:00 PM - 6:00 PM2.5 - 4.5
Moderate
6:00 PM - 12:00 AM0 - 1.2
Low

Detailed Hourly Y-O Ranch UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, MDT)7.6
Very High
3:00 PM - 4:00 PM 6.3
High
4:00 PM - 5:00 PM 4.4
Moderate
5:00 PM - 6:00 PM 2.5
Moderate
6:00 PM - 7:00 PM 1.1
Low
7:00 PM - 8:00 PM 0.4
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

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