UV Index for St. Louis, OK

Current St. Louis UV Index

0.3 (Low)

Last Updated 2 minutes ago

Hourly St. Louis UV Index

The hourly St. Louis, OK UV Index forecast for Wednesday, September 3rd, 2025.

5 Day Hourly St. Louis UV Index Forecast

Last Updated 19 hours ago

The UV index forecast for the next five days in St. Louis, OK has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in St. Louis over the next five days will be 8.4 on Wednesday, September 3rd at 1:00 pm.

The UV index forecast for Wednesday, September 3rd in St. Louis, OK is below.

Time UV Index Risk
9am 1.2
Low
10am 2.8
Low
11am 5
Moderate
12pm 7.1
High
1pm 8.4
Very High
2pm 8.3
Very High
3pm 7
High
4pm 4.8
Moderate
5pm 2.6
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 4th in St. Louis, OK 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 0.2
Low
9am 1
Low
10am 2.6
Low
11am 4.6
Moderate
12pm 6.6
High
1pm 7.8
High
2pm 7.7
High
3pm 6.5
High
4pm 4.5
Moderate
5pm 2.5
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 5th in St. Louis, OK 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 0.2
Low
9am 1.1
Low
10am 2.7
Low
11am 4.8
Moderate
12pm 6.6
High
1pm 8
Very High
2pm 7.8
High
3pm 6.3
High
4pm 4.4
Moderate
5pm 2.4
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 6th in St. Louis, OK 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