Wagga Cricket made a call on Monday morning to abandon the planned round of Twenty 20 matches.

It's not only the forecast top of 45 which saw the early decision made, but the hot weather leading into it that raised concerns.

Cricket NSW area manager Luke Olsen, who is also a Wagga Cricket board member, believes with protracted heat forecast increasing the risk of heat stress and heat stroke they had little choice.

"The fact we're looking at four days in a row of over 40 degrees is a good indicator that people are going to be tired, fatigued and dehydrated by the time we get to the weekend," Olsen said.

"The duty of care directive and guideline we give to all associations is that if you have a constant lead up temperature range to the high 30s to low 40s is you should consider calling off cricket regardless of what the temperature is on Saturday.

"It is the long term exposure to heat that we are concerned about.

"That was really the indicator for us to call it off now as we are looking at that forecast."

It means the top-of-the-table clash between South Wagga and St Michaels won't be played.

Wagga RSL and Lake Albert miss out on the chance to move into outright fourth while Kooringal Colts can't bring up their second win of the season up against Wagga City. Instead all games will be draws.

Olsen admitted the fact it was a round of Twenty20s played into the decision and is pleased to be able to make it early in the week.

"The weighting isn't as heavy on those games as it is for say the second day of a two-day game," he said.

"I think they would have waited a little longer.

"It now gives people a chance to plan as well, curators don't need to start to prepare wickets and they can go into the break with a little bit of extra time to do maintenance work on their pitches.

"I think it helps everyone and very rarely do forecast change a hell of a lot within a few days."

The competition will now resumes with a one-day round on January 11.

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