UV Index for St. Louis, MO

Current St. Louis UV Index

2.5 (Low)

Last Updated 50 minutes ago

Hourly St. Louis UV Index

The hourly St. Louis, MO UV Index forecast for Sunday, February 23rd, 2025.

5 Day Hourly St. Louis UV Index Forecast

Last Updated 22 hours ago

The UV index forecast for the next five days in St. Louis, MO has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in St. Louis over the next five days will be 4.2 on Tuesday, February 25th at 12:00 pm.

The UV index forecast for Sunday, February 23rd in St. Louis, MO is below.

Time UV Index Risk
11am 3.4
Moderate
12pm 3.7
Moderate
1pm 3.4
Moderate
2pm 2.4
Low
3pm 1.3
Low
4pm 0.5
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, February 24th in St. Louis, MO 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 1.4
Low
10am 2.5
Low
11am 3.4
Moderate
12pm 3.7
Moderate
1pm 3.4
Moderate
2pm 2.7
Low
3pm 1.4
Low
4pm 0.6
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, February 25th in St. Louis, MO 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 2.8
Low
11am 3.9
Moderate
12pm 4.2
Moderate
1pm 4
Moderate
2pm 2.9
Low
3pm 1.5
Low
4pm 0.6
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, February 26th in St. Louis, MO 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
View Historical UV Index Data