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First Forecast For The 25 Hours Of Thunderhill, Powered By LuxPerformance.com

11/26/2018

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By Scott Martin.
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Thursday looks to be a pretty grey and possibly wet throughout the day. Rain will be likely during the morning and much of the afternoon, but those rain chances drop of for the late afternoon through the evening hours while skies become partly cloudy. Temperatures will be in the lower 50s at 7:00 am, warming into the upper 50s for the daytime high, then dropping into the lower 40s at midnight. Rain chances will be around 80% for the morning and into the early afternoon hours, then dropping to around 30% for the remainder of the on-track activity. Winds will start off out of the southeast at 10-20 MPH but will shift out of the northwest by late afternoon at 5-10 MPH.

Friday looks a little better than Thursday, but we'll continue to have a small chance of showers throughout the day. Skies will be partly to mostly cloudy with temperatures at 9:30 am in the upper 40s, topping out in the mid-50s for the afternoon high, and dropping into the lower 50s by the end of the qualifying session at 5:45pm. Rain chances will be around 20% for much of the on-track activity, but increasing to near 40% before the end of qualifying. Winds will be out of the south at 5-10 MPH.

Mostly cloudy skies and a small chance of showers will continue throughout the day on Saturday as the race is scheduled to start just after 11:00 am. Rain chances will be around 30% from the pre-grid at 9:30 am through mid-afternoon, then drops off a little to around 20% for the rest of the afternoon through midnight. Temperatures at the green flag will be in the lower 50s, topping out in the upper 50s for the high, then dropping into the mid-40s by midnight. Winds will be out of the south to southeast at 5-10 MPH.

While we should be mainly dry with partly cloudy skies during the early morning hours on Sunday through the checkered flag at noon and the awards ceremony to follow up during the afternoon, there still remains a very small chance of showers (less than 20%). Temperatures will remain dropping from the mid-40s at midnight to the lower 40s by 3:00 am, but they will begin to climb steadily into the lower 50s by 12:00 pm. Winds will be out of the northwest at 2-8 MPH.
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