UV Index for Signal, SD

Current Signal UV Index

6.2 (High)

Last Updated 31 minutes ago

Hourly Signal UV Index

The hourly Signal, SD UV Index forecast for Wednesday, July 9th, 2025.

5 Day Hourly Signal UV Index Forecast

Last Updated 22 hours ago

The UV index forecast for the next five days in Signal, SD has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Signal over the next five days will be 9.6 on Wednesday, July 9th at 1:00 pm.

The UV index forecast for Wednesday, July 9th in Signal, SD is below.

Time UV Index Risk
12pm 8.2
Very High
1pm 9.6
Very High
2pm 9.6
Very High
3pm 8.6
Very High
4pm 6.7
High
5pm 4.4
Moderate
6pm 2.4
Low
7pm 1
Low
8pm 0.3
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 10th in Signal, 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 0.2
Low
8am 0.8
Low
9am 2.1
Low
10am 4
Moderate
11am 6.3
High
12pm 8.4
Very High
1pm 9.6
Very High
2pm 8.6
Very High
3pm 5.5
Moderate
4pm 3.2
Moderate
5pm 3.7
Moderate
6pm 2.1
Low
7pm 0.8
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 11th in Signal, 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 0.2
Low
8am 0.7
Low
9am 1.2
Low
10am 3.9
Moderate
11am 6
High
12pm 7.9
High
1pm 9.2
Very High
2pm 5.3
Moderate
3pm 4.9
Moderate
4pm 5.7
Moderate
5pm 2.2
Low
6pm 2.3
Low
7pm 0.9
Low
8pm 0.3
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 12th in Signal, 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 0.2
Low