UV Index for Lake Flat, SD

Current Lake Flat UV Index

0 (Low)

Last Updated 41 minutes ago

Hourly Lake Flat UV Index

The hourly Lake Flat, SD UV Index forecast for Thursday, July 17th, 2025.

5 Day Hourly Lake Flat UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in Lake Flat, SD has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Lake Flat over the next five days will be 9.1 on Friday, July 18th at 1:00 pm.

The UV index forecast for Thursday, July 17th in Lake Flat, SD is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.1
Low
8am 0.3
Low
9am 1
Low
10am 2.7
Low
11am 5
Moderate
12pm 7.6
High
1pm 9
Very High
2pm 8.2
Very High
3pm 4.9
Moderate
4pm 4.4
Moderate
5pm 2.6
Low
6pm 1.2
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 18th in Lake Flat, 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 0.1
Low
7am 0.6
Low
8am 1.6
Low
9am 3.2
Moderate
10am 5.3
Moderate
11am 7.3
High
12pm 8.8
Very High
1pm 9.1
Very High
2pm 8.3
Very High
3pm 6.6
High
4pm 4.3
Moderate
5pm 2.4
Low
6pm 1
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Lake Flat, 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 0.1
Low
7am 0.2
Low
8am 0.4
Low
9am 1
Low
10am 2.1
Low
11am 2.8
Low
12pm 3.6
Moderate
1pm 5.5
Moderate
2pm 6.4
High
3pm 5.2
Moderate
4pm 4
Moderate
5pm 2.3
Low
6pm 1
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 20th in Lake Flat, 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 0.1
Low