We require passports or passport cards on all trips. You must bring your passport or passport card (you must use one or the other) to check in and it must be with you on the boat. We must have your passport information to complete your reservation for manifest purposes. We will need full name (as on the passport/passport card), passport/passport card number, expiration date, and date of birth. You can fill out our passport form (available here) or call/email the information to our office.
Although keep in mind in Montana summer comes last and does not last very long usually lasts until 2nd week of August or 3rd week of August then winter comes ! Yes it can snow in August in Montana, it is not rare to see it ! Usually by the end of August you will see it snow ! Then from Sept. - April 15 you have winter agian.
Montana, Montana, gets 15 inches of rain per year. The US average is 37. Snowfall is 45 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 84. On average, there are 189 sunny days per year in Montana, Montana. The July high is around 84 degrees. The January low is 9. Our comfort index, which is based on humidity during the hot months, is a 70 out of 100, where higher is more comfortable.