If you planning to travel to Great Falls, Great Falls, 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 11:08 AM. The temperature feels like 49.099999999999994 with a humidity level of 86 so dress accordingly. Cloud coverage is 100 percent with visibility at 9.7 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 10:46 PM.