UV Index for Johnson Siding, SD

Current Johnson Siding UV Index

2.8 (Low)

Last Updated 18 minutes ago

Hourly Johnson Siding UV Index

The hourly Johnson Siding, SD UV Index forecast for Thursday, September 4th, 2025.

5 Day Hourly Johnson Siding UV Index Forecast

Last Updated 23 hours ago

The UV index forecast for the next five days in Johnson Siding, SD has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Johnson Siding over the next five days will be 7 on Saturday, September 6th at 1:00 pm.

The UV index forecast for Thursday, September 4th in Johnson Siding, SD is below.

Time UV Index Risk
12pm 3.6
Moderate
1pm 4.6
Moderate
2pm 4.7
Moderate
3pm 2.2
Low
4pm 0.9
Low
5pm 1.2
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 Friday, September 5th in Johnson Siding, 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 4.9
Moderate
12pm 6.2
High
1pm 6.7
High
2pm 6.1
High
3pm 4.7
Moderate
4pm 3
Moderate
5pm 1.4
Low
6pm 0.5
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 Johnson Siding, 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 0.6
Low
9am 1.7
Low
10am 3.4
Moderate
11am 5.2
Moderate
12pm 6.6
High
1pm 7
High
2pm 6.4
High
3pm 4.8
Moderate
4pm 2.9
Low
5pm 1.4
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 Johnson Siding, 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