Aug 4 (Reuters) -ICE cotton futures were flat on Friday but were on track for a weekly rise, as a slide in the U.S. dollar helped to offset pressure from weak demand.

* The most-active December cotton contract CTZ3 fell 0.02 cent, to 84.68 cents per lb by 12:11 p.m. EDT (1611 GMT). It traded in a range of 83.81 and 85.14 cents a lb.

* The dollar fell 0.6% against its rivals, moving away from a four-week high hit in the previous session and making cotton cheaper for overseas buyers. USD/

* The market's going to stay range bound between 83 to 86 cents for some time until we get some clarity on either consumption or rainfall, said Louis Barbera, partner and analyst at VLM Commodities Ltd.

* "If we get significant rainfall before August 15th, cotton can slide down quite a bit, until that time there is nothing much affecting prices."

* Meanwhile, Texas grid operator ERCOT warned of extreme hot weather from August 8 to 11.

* Elsewhere, Chicago wheat Wv1, soybean Sv1 and corn Cv1 rose, after a Ukrainian drone attack near the Russian Black Sea export hub of Novorossiysk rekindled global supply fears. GRA/

* Also cushioning cotton, oil prices LCOc1, CLc1 were on track for a sixth week of gains, making cotton substitute polyester more expensive. O/R

* Looking at the cotton-on-call sales over the last month, China is the only customer right now. All of the other regions aren't really buying cotton, and that concerns the market, said Barbera.

* On Thursday, the U.S. Department of Agriculture's weekly export sales report showed net sales of 9,900 running bales of cotton for 2022/2023, down 47% from the previous week, also "down noticeably" from the prior four-week average. EXP/COT