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The initial forecast that I made on Monday still seems to be generally on track, but I've made a few tweaks for today's update. The main change has been to add a slight chance of rain on Sunday afternoon, however I still expect that impacts on the race will be very low.  Rain associated with a deep upper level trough and surface cold front is still expected to move across England late tonight and into Thursday. Although it will likely be wet for scrutineering, the rain will b

A low pressure system will move through Silverstone on Thursday, which will make for a wet day for scrutineering. Fortunately, the rest of the event looks like it should be mostly free of rain, with mostly cloudy skies, breezy winds, and comfortable temperatures.  The low pressure system that brings rain on Thursday will be long gone by Friday, and a weak ridge will build over France and southern England. With a mix of sun and clouds and a westerly wind, temperatures will rem

The chance of showers for today continues in the latest forecast update for the Bathurst 12 Hour. Showers are expected to develop near the Blue Mountains in the late morning hours, then track toward the west through the afternoon. The time period when showers are most likely at Mount Panorama will be between noon and 5 pm. Qualifying for the race is scheduled between 11 am and 12:25 pm, so I think the chances of dry conditions for qualifying are good. The support races - Radi

The opening day of on track action at Nurburgring will likely have some rain. A cold front will be moving across the area in the morning, but a high chance of rain will continue through the day as the upper level trough moves through. There is pretty good model agreement on this general pattern, so I have a high chance of rain at 70%. Rain amounts at this time appear to be between 0.15 and 0.3 inches, or between 4 and 8 mm. The upper level trough will be east of the area by

The festivities for the 24 Hours of Le Mans begin this Sunday with the traditional scrutineering ceremonies at the Place de la République in the town center of Le Mans. There's always a big crowd on hand, as it provides fans an opportunity to get up close to the cars and drivers in a relaxed setting. The weather looks good for scrutineering this year. Sunday will have warm temperatures and plenty of sunshine, with highs in the upper 80s F and around 31 C. A cold front is exp

The entire Six Hours of Spa-Francorchamps is expected to remain dry, but rain will be on the doorstep near the end of the race. The day will start with sunny skies, but clouds will be increasing through the afternoon. Temperatures will be quite pleasant, with highs in the lower 60s. In the closing hours of the race, clouds will be covering the entire sky. During this time, rain will be spreading across central and northern France, moving toward the northeast. The expected ar

The weather pattern over western Europe during the middle of the week will feature an area of low pressure that will be drifting eastward. Belgium will still be under the influence of this system on Thursday, so there will likely be numerous showers around the track for the opening practice sessions. With wet and cloudy conditions, temperatures will only be in the 40s on Thursday. Most of the rain showers should be fairly light, and I expect that rainfall amounts on Thursday

The forecast for Silverstone has been a bit of a moving target, with periods of rain shifting from one day to the next. My original forecast had Sunday staying dry, but now it looks like a weak low pressure trough will be moving across England from the northwest to southeast. It doesn't appear to be a very strong system that will bring a large amount of rain to the track, but it will create some wet conditions through most of the race. If you're going to the race, be sure to

The latest forecast has changed to shift the timing of the rain chances a little earlier, into Friday. All the models are in good agreement that a low pressure system will pass to the north of England on Friday and Friday night, and it could bring some light rain to Silverstone on Friday. However, I have kept the chance of rain low because much of the precipitation with this system will be across Scotland and Northern England. If some rain does fall at Silverstone, I expect t

At Racecast Weather, we're excited to be expanding to cover the weather for WEC races this year. I've done forecasts for Le Mans the past few years, but now we'll have forecasts for the entire WEC schedule. Our coverage will be a bit different from our races in North America. Normally we have the radar link at the top of our website to provide a track-centered view of rain at the track, but since we don't have a source for international radars, we will not be able to provide

The weather looks like it will be absolutely perfect for racing at Sebring late this week - much better than last year's rain-affected race. Not only will it be dry the entire event, the temperatures will be very comfortable during the day, with low humidity. It will be a little chilly overnight for those camping out, with overnight lows in the 40s. A cold front is expected to bring a good chance of showers to Sebring on Tuesday as teams start to load into the track. The f

My thoughts on the forecast for the Bathurst 12 Hour this weekend haven't changed much from the last forecast. A low pressure trough will be over New South Wales all weekend, which will keep a chance of showers and thunderstorms each day, mainly in the afternoon and evening. Friday has the lowest chance of seeing a storm at the track as the low pressure trough will be to the north, but it can't be ruled out. I think the chances are low enough to lower the weather impact to No

In a month of announcements we have 1 more for you!! We are excited to announce that we have teamed up with Racecast Weather to bring you specific forecasts for the FIA World Endurance Championship rounds we are covering in 2017, along with the IMSA series in the US. Some of you may know Racecast from the recent Daytona 24 race and they are well know for providing forecasts for the US series. Now in 2017 they are to provide us with coverage for the FIA WEC series, we are t

After a spectacular Rolex 24, sports car fans don't have to wait long for the next major race on the calendar, the Liqui-Moly Bathurst 12 Hour at the beautiful Mount Panorama Circuit this weekend. The weather pattern across southeast Australia will feature high pressure off the coast, and low pressure over central Australia, with a trough of low pressure extending into New South Wales. The position of this trough will be the main factor in the chance of showers and thunders