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Come Fan with UsSunday, June 21, 2026

New Hampshire Motor Speedway NASCAR Weather Forecast: A Promising Forecast

Conditions in Loudon, NH: Click here for Current Weather ConditionsLook at Doppler Radar | Mobile Friendly Site | Mobile Radar

The upper level storm system mentioned in my previous forecast looks like it will remain far to the west over the Great Lakes near Chicago, keeping the bulk of the rain with it to the west. The forecast for the Truck race Saturday afternoon and the Sprint Cup race Sunday afternoon are looking better. Skies will remain mostly cloudy. The air very moist and humid but the showers look to be very limited.

Some forecasts, like the National Weather Service, have Sunday completely dry. I am not too that point, yet, maybe that’s because I was burned last weekend by my forecast for Chicago. My forecast for Saturday and Sunday afternoon is mostly dry but I am not ruling out the possibility of an isolated shower or some spotty annoying drizzle.

Worst case, the races are either delayed or temporarily red flagged by rain or drizzle but the most likely scenario is they get both races in with little to no problems.

SATURDAY:
9:30 a.m EDT
Sprint Practice – Cloudy, scattered rain showers – temp: 69
10:30 a.m EDT
Truck Qualifying – Mostly cloudy, sct’d showers – temp: 73
11:30 a.m EDT
Sprint Final Practice – Mostly cloudy, sct’d showers – temp: 74
3:00 p.m EDT
Truck Race – Mostly cloudy, isolated shower – temp: 76
SUNDAY:
2:00 p.m EDT
Sprint Cup Race – Mostly cloudy, just an isolated threat of showers, mainly dry – temp: 81

Please follow me on Twitter @NASCAR_WXMAN for the latest Weather updates during the race.

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