UV Index for Big Water, UT

Current Big Water UV Index

1.6 (Low)

Last Updated 10 minutes ago

Hourly Big Water UV Index

The hourly Big Water, UT UV Index forecast for Sunday, August 17th, 2025.

5 Day Hourly Big Water UV Index Forecast

Last Updated 6 hours ago

The UV index forecast for the next five days in Big Water, UT has 1 day reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Big Water over the next five days will be 11 on Monday, August 18th at 1:00 pm.

The UV index forecast for Sunday, August 17th in Big Water, UT is below.

Time UV Index Risk
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, August 18th in Big Water, UT 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 0.5
Low
9am 1.8
Low
10am 4.1
Moderate
11am 6.8
High
12pm 9.4
Very High
1pm 11
Extreme
2pm 11
Extreme
3pm 9.3
Very High
4pm 6.7
High
5pm 3.9
Moderate
6pm 1.6
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 19th in Big Water, UT 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 0.5
Low
9am 1.6
Low
10am 3.8
Moderate
11am 6.6
High
12pm 9.1
Very High
1pm 10.8
Very High
2pm 10.8
Very High
3pm 9.2
Very High
4pm 6.5
High
5pm 3.8
Moderate
6pm 1.6
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, August 20th in Big Water, UT 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 0.5
Low
9am 1.7
Low
10am 3.9
Moderate
11am 6.6
High
12pm 9.1
Very High
1pm 10.4
Very High
2pm 10.4
Very High
3pm 8.8
Very High
4pm 6.3
High
5pm 3.6
Moderate
6pm 1.6
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, August 21st in Big Water, UT 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