If you planning to travel to Rainbow Lake, Hot Springs, Montana, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 2:45 PM. The temperature feels like 28.299999999999997 with a humidity level of 81 so dress accordingly. Cloud coverage is 44 percent with visibility at 13.7 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 5 MPH. At the end of the day don’t miss the sunset at 12:03 AM.