UV Index for Lake Flat, SD

Current Lake Flat UV Index

2.5 (Low)

Last Updated 25 minutes ago

Hourly Lake Flat UV Index

The hourly Lake Flat, SD UV Index forecast for Thursday, September 4th, 2025.

5 Day Hourly Lake Flat UV Index Forecast

Last Updated 23 hours ago

The UV index forecast for the next five days in Lake Flat, SD has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Lake Flat over the next five days will be 6.6 on Saturday, September 6th at 1:00 pm.

The UV index forecast for Thursday, September 4th in Lake Flat, SD is below.

Time UV Index Risk
12pm 3.3
Moderate
1pm 4.3
Moderate
2pm 3.8
Moderate
3pm 2.8
Low
4pm 1.2
Low
5pm 0.6
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 5th 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
Low
7am 0.1
Low
8am 0.6
Low
9am 1.6
Low
10am 3.2
Moderate
11am 4.8
Moderate
12pm 6
High
1pm 6.3
High
2pm 5.7
Moderate
3pm 4.4
Moderate
4pm 2.7
Low
5pm 1.3
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 6th 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
Low
7am 0.1
Low
8am 0.6
Low
9am 1.7
Low
10am 3.3
Moderate
11am 5
Moderate
12pm 6.3
High
1pm 6.6
High
2pm 5.9
Moderate
3pm 4.4
Moderate
4pm 2.7
Low
5pm 1.3
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 7th 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
Low