UV Index for Altamont, SD

Current Altamont UV Index

0.6 (Low)

Last Updated 31 minutes ago

Hourly Altamont UV Index

The hourly Altamont, SD UV Index forecast for Friday, July 18th, 2025.

5 Day Hourly Altamont UV Index Forecast

Last Updated 5 hours ago

The UV index forecast for the next five days in Altamont, SD has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Altamont over the next five days will be 9 on Monday, July 21st at 2:00 pm.

The UV index forecast for Friday, July 18th in Altamont, SD is below.

Time UV Index Risk
7pm 0.7
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Altamont, 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 0.2
Low
9am 0.7
Low
10am 1.6
Low
11am 3.5
Moderate
12pm 4.4
Moderate
1pm 8.3
Very High
2pm 5.5
Moderate
3pm 5.6
Moderate
4pm 5.2
Moderate
5pm 2.4
Low
6pm 0.9
Low
7pm 0.7
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 20th in Altamont, 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 5.7
Moderate
12pm 6.4
High
1pm 3.2
Moderate
2pm 7.3
High
3pm 6.9
High
4pm 3.9
Moderate
5pm 1.9
Low
6pm 1
Low
7pm 0.6
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 21st in Altamont, 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 0.9
Low
10am 2.3
Low
11am 2.8
Low
12pm 4.2
Moderate
1pm 6.7
High
2pm 9
Very High
3pm 7.9
High
4pm 6
High
5pm 3.8
Moderate
6pm 2
Low
7pm 0.8
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 22nd in Altamont, 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