UV Index for Spearfish, SD

Current Spearfish UV Index

0.3 (Low)

Last Updated 25 minutes ago

Hourly Spearfish UV Index

The hourly Spearfish, SD UV Index forecast for Wednesday, January 28th, 2026.

5 Day Hourly Spearfish UV Index Forecast

Last Updated 21 hours ago

The UV index forecast for the next five days in Spearfish, SD has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Spearfish over the next five days will be 1.9 on Wednesday, January 28th at 11:00 am.

The UV index forecast for Wednesday, January 28th in Spearfish, SD is below.

Time UV Index Risk
9am 0.8
Low
10am 1.4
Low
11am 1.9
Low
12pm 1.9
Low
1pm 1.7
Low
2pm 1.1
Low
3pm 0.5
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, January 29th in Spearfish, 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 0.2
Low
9am 0.5
Low
10am 1
Low
11am 1.4
Low
12pm 1.6
Low
1pm 1.2
Low
2pm 0.9
Low
3pm 0.4
Low
4pm 0.1
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, January 30th in Spearfish, 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 0.6
Low
10am 1.3
Low
11am 1.8
Low
12pm 1.8
Low
1pm 1.5
Low
2pm 1
Low
3pm 0.5
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, January 31st in Spearfish, 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