The last 10 Halloweens in Rapid City have actually varied by nearly 50 degrees!
The lowest high temperature in recent years was 25 degrees in 2003, and the highest high temperature was 73 degrees just this past year.
Now the average high in Rapid City on Halloween Day is around 54 degrees.
And usually Halloween in the area has a good history of being nice and dry for trick or treaters, since records began all the way back in 1888 it's either rain or snowed only 20 percent of the time.
The coldest Halloween ever recorded in the area was down right frigid, with lows for the day of -2 in Rapid City, -1 in Lead, and a bone chilling -4 degrees in Gillette, Wyoming.