Here is the football forecast for Halloween. (NOTE: Northern Iowa is off this weekend)

Indiana @ Iowa in Iowa City (11am)
Tailgating: Partly Cloudy, Low to Mid 40s, Winds West 10-15mph
Kickoff: Partly Cloudy, Mid 40s, Winds West 10-15mph
End of Game: Mostly Sunny, 50° Winds West 10-15mph

Iowa State @ Texas A&M at College Station TX (2:30pm)
Tailgating: Sunny, Low to mid 60s, light west wind.
Kickoff: Sunny, Mid 60s, light west wind.
End of Game: Sunny, Around 70°, light and variable wind.

Rest of State: Partly Cloudy, Highs 48-55 Winds West 10-15mph.
Trick or Treating: Partly Cloudy, 42-50°, Winds West 5-10mph.