0 (Low)
Last Updated 25 minutes ago
The hourly Helena, MN UV Index forecast for Tuesday, September 16th, 2025.
Last Updated 18 hours ago
The UV index forecast for the next five days in Helena, MN has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Helena over the next five days will be 5.5 on Tuesday, September 16th at 1:00 pm.
The UV index forecast for Tuesday, September 16th in Helena, MN is below.
Time | UV Index | Risk |
---|---|---|
8am | 0.2 |
Low |
9am | 0.8 |
Low |
10am | 2 |
Low |
11am | 3.5 |
Moderate |
12pm | 4.8 |
Moderate |
1pm | 5.5 |
Moderate |
2pm | 5.3 |
Moderate |
3pm | 4.2 |
Moderate |
4pm | 2.8 |
Low |
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 Wednesday, September 17th in Helena, MN 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 | 0.8 |
Low |
10am | 2 |
Low |
11am | 3.3 |
Moderate |
12pm | 4.6 |
Moderate |
1pm | 5.2 |
Moderate |
2pm | 4.9 |
Moderate |
3pm | 3.8 |
Moderate |
4pm | 2.5 |
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 Thursday, September 18th in Helena, MN 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 | 0.1 |
Low |
9am | 0.4 |
Low |
10am | 1.4 |
Low |
11am | 2.3 |
Low |
12pm | 0.7 |
Low |
1pm | 0.8 |
Low |
2pm | 0.4 |
Low |
3pm | 3.7 |
Moderate |
4pm | 2.8 |
Low |
5pm | 1.2 |
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 19th in Helena, MN 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 |