UV Index for Grand, SD

Current Grand UV Index

1.5 (Low)

Last Updated 52 minutes ago

Hourly Grand UV Index

The hourly Grand, SD UV Index forecast for Saturday, December 13th, 2025.

5 Day Hourly Grand UV Index Forecast

Last Updated 1 hour ago

The UV index forecast for the next five days in Grand, SD has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Grand over the next five days will be 2 on Sunday, December 14th at 1:00 pm.

The UV index forecast for Saturday, December 13th in Grand, SD is below.

Time UV Index Risk
2pm 1.2
Low
3pm 0.7
Low
4pm 0.3
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 Sunday, December 14th in Grand, 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
Low
9am 0.2
Low
10am 0.7
Low
11am 1.4
Low
12pm 1.9
Low
1pm 2
Low
2pm 1.4
Low
3pm 0.8
Low
4pm 0.3
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 Monday, December 15th in Grand, 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
Low
9am 0.2
Low
10am 0.7
Low
11am 1.3
Low
12pm 1.8
Low
1pm 1.8
Low
2pm 1.4
Low
3pm 0.8
Low
4pm 0.3
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 Tuesday, December 16th in Grand, 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
Low
9am 0.2
Low
10am 0.7
Low
11am 1.2
Low
12pm 1.6
Low
1pm 1.6
Low
2pm 1.1
Low
3pm 0.6
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 Wednesday, December 17th in Grand, 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