UV Index for Lyon, SD

Current Lyon UV Index

2.1 (Low)

Last Updated 29 minutes ago

Hourly Lyon UV Index

The hourly Lyon, SD UV Index forecast for Sunday, April 20th, 2025.

5 Day Hourly Lyon UV Index Forecast

Last Updated 22 hours ago

The UV index forecast for the next five days in Lyon, SD has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Lyon over the next five days will be 6.2 on Tuesday, April 22nd at 2:00 pm.

The UV index forecast for Sunday, April 20th in Lyon, SD is below.

Time UV Index Risk
12pm 4.3
Moderate
1pm 4.5
Moderate
2pm 4
Moderate
3pm 2.8
Low
4pm 2.9
Low
5pm 1.8
Low
6pm 0.8
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, April 21st in Lyon, SD is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.3
Low
9am 1
Low
10am 2.2
Low
11am 3.7
Moderate
12pm 5.1
Moderate
1pm 6
High
2pm 6.1
High
3pm 5.4
Moderate
4pm 3.9
Moderate
5pm 2.6
Low
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, April 22nd in Lyon, SD is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.3
Low
9am 1
Low
10am 2.2
Low
11am 3.7
Moderate
12pm 5.2
Moderate
1pm 6.1
High
2pm 6.2
High
3pm 5.5
Moderate
4pm 4.2
Moderate
5pm 2.2
Low
6pm 1.1
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, April 23rd in Lyon, SD is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low