4 (Moderate)
Last Updated 4 minutes ago
The hourly Billings, MT UV Index forecast for Monday, September 15th, 2025.
Last Updated 3 minutes ago
The UV index forecast for the next five days in Billings, MT has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Billings over the next five days will be 5.8 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Monday, September 15th in Billings, MT is below.
| Time | UV Index | Risk |
|---|---|---|
| 1pm | 2.4 |
Low |
| 2pm | 3.3 |
Moderate |
| 3pm | 2.7 |
Low |
| 4pm | 2.4 |
Low |
| 5pm | 1.3 |
Low |
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, September 16th in Billings, MT 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 | 0.9 |
Low |
| 10am | 2.1 |
Low |
| 11am | 3.6 |
Moderate |
| 12pm | 4.6 |
Moderate |
| 1pm | 5.5 |
Moderate |
| 2pm | 5.4 |
Moderate |
| 3pm | 4.4 |
Moderate |
| 4pm | 2.9 |
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 Billings, MT 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 | 0.9 |
Low |
| 10am | 2.1 |
Low |
| 11am | 3.6 |
Moderate |
| 12pm | 5 |
Moderate |
| 1pm | 5.6 |
Moderate |
| 2pm | 5.4 |
Moderate |
| 3pm | 4.3 |
Moderate |
| 4pm | 2.8 |
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 Thursday, September 18th in Billings, MT 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 | 0.9 |
Low |
| 10am | 2.2 |
Low |
| 11am | 3.7 |
Moderate |
| 12pm | 5.1 |
Moderate |
| 1pm | 5.8 |
Moderate |
| 2pm | 5.6 |
Moderate |
| 3pm | 4.5 |
Moderate |
| 4pm | 2.9 |
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 Friday, September 19th in Billings, MT 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 |