Sunday's Allianz Football League Divsion 3 encounter between Sligo and Clare and the Division 4 derby featuring Wexford and Wicklow have both been postponed.
Following pitch inspections, Markievicz Park and Chadwicks Wexford Park were deemed unplayable.
The CCCC will confirm refixture details early next week.
Tony McEntee's Sligo are currently without a point in the third tier; their latest defeat coming at the hands of Laois last Sunday.
Clare, after losing their opening game to Antrim have had subsequent wins, and are firmly back in the promotion mix.
Wexford-Wicklow was set to be an important battle in the Division 4 promotion battle with the Slaneysiders top on maximum points with the Garden County winning two of their three games to date.
Meanwhile, Sunday's Division 1 encounter between Tyrone and Kerry has been moved from O’Neill’s Healy Park to Pomeroy.
Initially, the game was part of a double-header with the same twi counties meeting in the Ladies National Football League.
That match will still take place at the Omagh venue with the men’s game making the move to Pomeroy.