- Track temp
- 56°F14°C
- Rain chance
- 0%
- Wind
- 2mph4km/hE
- Density alt.
- -426ft-130m
- Barometer 30.46 inHg1032 hPa steady
- Humidity 48%
Forecast updated · Open-Meteo
Hour by hour
Mostly clearTemperature 56°14°Rain chance 0%Wind 2 mph4 km/hETrack temperature 56°14°
OvercastTemperature 54°12°Rain chance 0%Wind 2 mph4 km/hNETrack temperature 54°12°OvercastTemperature 53°12°Rain chance 1%Wind 1 mph2 km/hNETrack temperature 53°12°OvercastTemperature 52°11°Rain chance 1%Wind 1 mph1 km/hNTrack temperature 52°11°OvercastTemperature 50°10°Rain chance 1%Wind 1 mph2 km/hNETrack temperature 50°10°OvercastTemperature 50°10°Rain chance 1%Wind 0 mph1 km/hWNWTrack temperature 50°10°OvercastTemperature 50°10°Rain chance 2%Wind 1 mph2 km/hSWTrack temperature 50°10°OvercastTemperature 50°10°Rain chance 2%Wind 1 mph2 km/hWTrack temperature 50°10°OvercastTemperature 49°10°Rain chance 1%Wind 2 mph4 km/hNWTrack temperature 49°10°OvercastTemperature 49°9°Rain chance 2%Wind 3 mph5 km/hNNWTrack temperature 49°9°OvercastTemperature 48°9°Rain chance 2%Wind 3 mph6 km/hNNWTrack temperature 48°9°OvercastTemperature 47°9°Rain chance 3%Wind 3 mph5 km/hNNWTrack temperature 47°9°OvercastTemperature 47°8°Rain chance 4%Wind 3 mph4 km/hNTrack temperature 47°8°
OvercastTemperature 47°8°Rain chance 6%Wind 1 mph2 km/hNTrack temperature 47°8°OvercastTemperature 49°10°Rain chance 7%Wind 1 mph1 km/hWNWTrack temperature 55°13°OvercastTemperature 55°13°Rain chance 8%Wind 1 mph2 km/hNETrack temperature 68°20°OvercastTemperature 59°15°Rain chance 9%Wind 3 mph4 km/hESETrack temperature 78°25°OvercastTemperature 60°16°Rain chance 6%Wind 3 mph5 km/hESETrack temperature 84°29°OvercastTemperature 62°17°Rain chance 5%Wind 3 mph5 km/hESETrack temperature 86°30°OvercastTemperature 63°17°Rain chance 5%Wind 4 mph6 km/hESETrack temperature 86°30°OvercastTemperature 64°18°Rain chance 4%Wind 3 mph5 km/hESETrack temperature 83°28°OvercastTemperature 64°18°Rain chance 4%Wind 3 mph5 km/hESETrack temperature 79°26°OvercastTemperature 63°17°Rain chance 3%Wind 4 mph6 km/hETrack temperature 71°22°OvercastTemperature 60°16°Rain chance 3%Wind 4 mph6 km/hETrack temperature 61°16°Hours in your time zone (the track's when they match). Track temperature is an estimate.
The racer numbers
Computed from the forecast air temperature, dew point and station pressure (NWS formulas). Track temperature is estimated from sun, wind and the surface; it is not a sensor reading. How these are figured.
Day by day
- TodayOct 3164°18° 43°6° 1%Green flag
- TomorrowNov 164°18° 47°8° 9%Green flag
- MonNov 265°18° 44°7° 4%Green flag
- TueNov 372°22° 48°9° 0%Green flag
- WedNov 475°24° 53°12° 8%Green flag
- ThuNov 5
73°23° 58°14° 45%Green flag - FriNov 6
77°25° 61°16° 45%Red flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | Overcast | 64°18° 43°6° | 1% | 13 mph22 km/h NNE | 93°34° | 128 ft39 m | 7:33 AM · 6:13 PM |
| Tomorrow Nov 1 | Green flag | Overcast | 64°18° 47°8° | 9% | 10 mph16 km/h E | 86°30° | 50 ft15 m | 6:34 AM · 5:12 PM |
| Mon Nov 2 | Green flag | Overcast | 65°18° 44°7° | 4% | 8 mph13 km/h SSW | 87°31° | 251 ft77 m | 6:36 AM · 5:11 PM |
| Tue Nov 3 | Green flag | Overcast | 72°22° 48°9° | 0% | 15 mph25 km/h S | 95°35° | 897 ft273 m | 6:37 AM · 5:10 PM |
| Wed Nov 4 | Green flag | Overcast | 75°24° 53°12° | 8% | 23 mph37 km/h S | 96°36° | 1,280 ft390 m | 6:38 AM · 5:09 PM |
| Thu Nov 5 | Green flag | Light drizzle | 73°23° 58°14° | 45% 0.05 in1.3 mm | 18 mph29 km/h SSE | 83°28° | 1,413 ft431 m | 6:39 AM · 5:08 PM |
| Fri Nov 6 | Red flagrain | Showers | 77°25° 61°16° | 45% 0.47 in11.9 mm | 10 mph17 km/h S | 92°34° | 1,810 ft552 m | 6:40 AM · 5:07 PM |
Flags judge the racing hours, 9 am to 10 pm at the track. Days marked partial are at the edge of the forecast.
Every hour, every number
Today’s remaining 5 hours are free. Pro members get all seven days and the CSV.
| Hour | Air | Dew pt | Humidity | Barometer | Density alt. | Air density kg/m³ | Grains | Track temp (est.) | Wind | Rain |
|---|---|---|---|---|---|---|---|---|---|---|
| 56°14° | 37°3° | 48% | 30.46 inHg1032 hPa | -426 ft-130 m | 1.240 | 32 | 56°14° | 2 mph4 km/h E | 0% | |
| 54°12° | 38°4° | 56% | 30.47 inHg1032 hPa | -611 ft-186 m | 1.247 | 34 | 54°12° | 2 mph4 km/h NE | 0% | |
| 53°12° | 40°4° | 61% | 30.49 inHg1033 hPa | -667 ft-203 m | 1.249 | 36 | 53°12° | 1 mph2 km/h NE | 1% | |
| 52°11° | 40°4° | 63% | 30.51 inHg1033 hPa | -767 ft-234 m | 1.253 | 35 | 52°11° | 1 mph1 km/h N | 1% | |
| 50°10° | 39°4° | 65% | 30.49 inHg1033 hPa | -846 ft-258 m | 1.256 | 35 | 50°10° | 1 mph2 km/h NE | 1% |
Every hour from the forecast, the same arithmetic as the pit box above (NWS density-altitude formula; track temperature is an estimate). Hours in your time zone, the track’s when they match.
Plan the whole week at Dominion
Pit box, all week
Every forecast hour for the next seven days at Dominion: density altitude, air density, grains, track temp and more, with a CSV for the tuning laptop.
Do the models agree?
ECMWF, GFS and ICON side by side for the next three racing days, so you know when the forecast is shaky.
Next 6 hours of rain
Rain in 15-minute steps for the next six hours at your tracks, refreshed every hour.
Alerts for your tracks
An email the morning a red or yellow flag is due at Dominion, and a heads-up three days out.
Getting to Dominion
Thornburg, Virginia
No street address published; directions go to the track itself.
We have not checked parking and camping here yet. The track’s own site has them: official site.
Facts
- Location
- Thornburg, Virginia
- Layout
- 4/10-mile paved oval
- Length
- 0.4 mi (0.64 km)
- Surface
- Asphalt
- Banking
- 14°
- Opened
- 2016
- Series
- Late Models, Virginia Modifieds, Dominion Stocks, Legends, Bandoleros, CARS Tour
- Time zone
- America/New York
- Elevation
- 217 ft (66 m)
