Officials at Cheltenham believe the weather over the next couple of days will be crucial as to whether their Festival Trials meeting will go ahead on Saturday.
Although the course is raceable under the protective covers, it remains very cold and more snow is forecast before a hoped-for improvement in the second half of the week.
Clerk of the course Simon Claisse describes the meeting as "being in the balance" and expects a better idea of prospects by Wednesday morning.
"The course remains raceable under the covers. The temperatures are below freezing and there is a just a touch of very light snow in the air," he said on Monday.
"There is the chance we will get further light snow tomorrow with temperatures beginning to get better by Thursday/Friday and rain on Saturday. I think it is still very much in the balance at this stage.
"We will remove the covers when most of the snow has thawed and that is where we need the help of not too much more snow, and milder air by the end of the week.
"I think the next crucial stage in our thinking will be after we have had the snow that's forecast for tomorrow and tomorrow night. I think we will have a pretty good idea as to the way it's heading on Wednesday morning."
2 September 2014Maguire nearing racecourse return
Estimate among bumper Cup entry
Maguire hails 'fantastic' Peddlers
Balding staying grounded with Park
Culloty joins Leger Legends
Regard among September possibles
Cox takes Haydock plunge with Love
Paddy gunning for Chepstow
Athenian has sales date
No hurry for Cape call
Mirza on Abbaye trail
1 September 2014McCain salutes retiring Peddlers
Seven Towcester meetings go to ARC
Further checks for Condon
Due set to miss Sprint date
Condon 'stable' after Cork fall
Queen rules supreme for Smith
River eases to debut success
Carla tops it up to four
Atzeni strikes on Cappella
Ocean team want Haydock rain
Big time beckons for Orange
Palmer aims high with Aktabantay
Hills ponders Dutch gameplan
31 August 2014Atzeni strikes on Cappella
Imminent return Likely
Logic on comeback trail
Dan edges closer to Mile high
Keane error costly for Unrequited
Notarfbad makes all in Mildmay
Orange enjoys Big win
Fabre strikes with Fintry
Akta in late Solario swoop
Icon takes starring role
Pearl fires home in Bullet
Shortall suffers injury setback
Tent team consider chasing
30 August 2014Keane error costly for Unrequited
Shepherd's sent to Tower
Time will tell for Charlton
Stack filly Alive to chance
Sansevero sent to Tower
Palmer plots Solario success
Fabre has high hopes for Fintry
Belardo team keen on Champagne
Rigueur targets Chester consolation
Native in hunt for Bullet gains
Arc still target for Taghrooda