UV Index for Rapid City, SD

Current Rapid City UV Index

0 (Low)

Last Updated 19 minutes ago

Hourly Rapid City UV Index

The hourly Rapid City, SD UV Index forecast for Sunday, August 31st, 2025.

5 Day Hourly Rapid City UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Rapid City, SD has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Rapid City over the next five days will be 7.5 on Sunday, August 31st at 1:00 pm.

The UV index forecast for Sunday, August 31st in Rapid City, SD is below.

Time UV Index Risk
6am 0
Low
7am 0.2
Low
8am 0.7
Low
9am 2
Low
10am 3.7
Moderate
11am 5.6
Moderate
12pm 7
High
1pm 7.5
High
2pm 6.8
High
3pm 5
Moderate
4pm 3.3
Moderate
5pm 1.6
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 1st in Rapid City, 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 0.1
Low
8am 0.7
Low
9am 1.8
Low
10am 3.5
Moderate
11am 5.3
Moderate
12pm 6.6
High
1pm 7.1
High
2pm 6.4
High
3pm 4.9
Moderate
4pm 3.2
Moderate
5pm 1.6
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, September 2nd in Rapid City, 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 0.1
Low
8am 0.7
Low
9am 1.8
Low
10am 3.5
Moderate
11am 5.3
Moderate
12pm 6.5
High
1pm 6.8
High
2pm 6.2
High
3pm 4.6
Moderate
4pm 2.6
Low
5pm 1.3
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 3rd in Rapid City, 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