UV Index for Castle Butte, SD

Current Castle Butte UV Index

0 (Low)

Last Updated 49 minutes ago

Hourly Castle Butte UV Index

The hourly Castle Butte, SD UV Index forecast for Sunday, June 15th, 2025.

5 Day Hourly Castle Butte UV Index Forecast

Last Updated 11 hours ago

The UV index forecast for the next five days in Castle Butte, SD has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Castle Butte over the next five days will be 10 on Sunday, June 15th at 1:00 pm.

The UV index forecast for Sunday, June 15th in Castle Butte, SD is below.

Time UV Index Risk

The UV index forecast for Monday, June 16th in Castle Butte, 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 0.1
Low
7am 0.5
Low
8am 1
Low
9am 1.6
Low
10am 3.6
Moderate
11am 4.7
Moderate
12pm 5.2
Moderate
1pm 4.6
Moderate
2pm 7.3
High
3pm 6.3
High
4pm 4.4
Moderate
5pm 2.4
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, June 17th in Castle Butte, 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 0.2
Low
7am 0.6
Low
8am 1.6
Low
9am 2.8
Low
10am 4.8
Moderate
11am 7
High
12pm 7.9
High
1pm 8.4
Very High
2pm 7.5
High
3pm 3.2
Moderate
4pm 3.2
Moderate
5pm 0.3
Low
6pm 0.2
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, June 18th in Castle Butte, 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 0.1
Low
7am 0.4
Low
8am 0.4
Low
9am 0.9
Low
10am 3.9
Moderate
11am 7.3
High
12pm 8.7
Very High
1pm 9
Very High
2pm 8.3
Very High
3pm 6.7
High
4pm 4.6
Moderate
5pm 2.8
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, June 19th in Castle Butte, 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 0.2
Low