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Last Updated 32 minutes ago
The hourly Heart Butte, MT UV Index forecast for Tuesday, July 1st, 2025.
Last Updated 12 hours ago
The UV index forecast for the next five days in Heart Butte, MT has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Heart Butte over the next five days will be 10.1 on Tuesday, July 1st at 1:00 pm.
The UV index forecast for Tuesday, July 1st in Heart Butte, MT is below.
| Time | UV Index | Risk |
|---|---|---|
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0.4 |
Low |
| 8am | 1.1 |
Low |
| 9am | 2.6 |
Low |
| 10am | 4.7 |
Moderate |
| 11am | 7 |
High |
| 12pm | 9 |
Very High |
| 1pm | 10.1 |
Very High |
| 2pm | 10.1 |
Very High |
| 3pm | 8.9 |
Very High |
| 4pm | 6.7 |
High |
| 5pm | 3.6 |
Moderate |
| 6pm | 2.6 |
Low |
| 7pm | 1.2 |
Low |
| 8pm | 0.4 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, July 2nd in Heart Butte, 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 | 0.4 |
Low |
| 8am | 1.1 |
Low |
| 9am | 2.5 |
Low |
| 10am | 4.5 |
Moderate |
| 11am | 6.7 |
High |
| 12pm | 8.6 |
Very High |
| 1pm | 9.5 |
Very High |
| 2pm | 6.8 |
High |
| 3pm | 2.8 |
Low |
| 4pm | 6.6 |
High |
| 5pm | 4.4 |
Moderate |
| 6pm | 2.3 |
Low |
| 7pm | 0.9 |
Low |
| 8pm | 0.3 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, July 3rd in Heart Butte, 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 | 0.4 |
Low |
| 8am | 1.1 |
Low |
| 9am | 2.4 |
Low |
| 10am | 4.1 |
Moderate |
| 11am | 5.8 |
Moderate |
| 12pm | 7.6 |
High |
| 1pm | 8.8 |
Very High |
| 2pm | 9.1 |
Very High |
| 3pm | 8.1 |
Very High |
| 4pm | 6 |
High |
| 5pm | 4 |
Moderate |
| 6pm | 2.1 |
Low |
| 7pm | 1.1 |
Low |
| 8pm | 0.3 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, July 4th in Heart Butte, 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 |