College baseball teams in the state have returned from southern trips and now face their most ominous foe of the season: the weather. The long winter has made fields unplayable. Iowa has already cancelled tomorrow’s home opener with Mount St. Claire and coach Scott Broghamer says the field won’t be ready for this weekend’s Big Ten series with Michigan. He says they’ve got ten inches of frost in some areas and need some warming sun.Broghamer says they are considering moving this weekend’s Michigan series to a neutral site.Iowa State has its next eight dates at home beginning Friday when the Cyclones open a weekend series against South Dakota. Coach Lyle Smith is still holding out hope Cap Timm field will be ready, even thought he outfield still has snow and the infield is sopping wet.Smith says a couple more days of snowmelt are a must if they hope to play this weekend.Northern Iowa has already cancelled its home opener with Minnesota State-Mankato tomorrow and coach Rick Heller says it may be until the end of the month before the field is playable.Heller says an extended period of warm weather would be a plus.