- Track temp
- 90°F32°C
- Rain chance
- 0%
- Wind
- 6mph10km/hE
- Density alt.
- 4,640ft1,414m
- Barometer 29.86 inHg1011 hPa falling
- Humidity 25%
Forecast updated · Open-Meteo
Hour by hour
ClearTemperature 70°21°Rain chance 0%Wind 6 mph10 km/hETrack temperature 90°32°Density altitude 4,640 ft1,414 m
OvercastTemperature 72°22°Rain chance 0%Wind 6 mph9 km/hETrack temperature 91°33°Density altitude 4,792 ft1,461 mClearTemperature 73°23°Rain chance 0%Wind 5 mph7 km/hNETrack temperature 90°32°Density altitude 4,817 ft1,468 mOvercastTemperature 70°21°Rain chance 0%Wind 7 mph12 km/hNTrack temperature 80°27°Density altitude 4,665 ft1,422 mOvercastTemperature 64°18°Rain chance 0%Wind 6 mph9 km/hNNWTrack temperature 68°20°Density altitude 4,345 ft1,324 m
ClearTemperature 59°15°Rain chance 0%Wind 7 mph12 km/hWNWTrack temperature 59°15°Density altitude 4,014 ft1,223 mClearTemperature 57°14°Rain chance 0%Wind 8 mph13 km/hWSWTrack temperature 57°14°Density altitude 3,901 ft1,189 mClearTemperature 56°14°Rain chance 0%Wind 11 mph18 km/hWTrack temperature 56°14°Density altitude 3,791 ft1,155 mClearTemperature 57°14°Rain chance 0%Wind 11 mph17 km/hWNWTrack temperature 57°14°Density altitude 3,825 ft1,166 mClearTemperature 55°13°Rain chance 0%Wind 10 mph16 km/hWNWTrack temperature 55°13°Density altitude 3,720 ft1,134 mClearTemperature 54°12°Rain chance 0%Wind 9 mph15 km/hWTrack temperature 54°12°Density altitude 3,616 ft1,102 m
OvercastTemperature 53°12°Rain chance 0%Wind 9 mph14 km/hWTrack temperature 53°12°Density altitude 3,578 ft1,091 mOvercastTemperature 53°12°Rain chance 0%Wind 8 mph13 km/hWTrack temperature 53°12°Density altitude 3,546 ft1,081 mOvercastTemperature 53°12°Rain chance 0%Wind 8 mph13 km/hWTrack temperature 53°12°Density altitude 3,498 ft1,066 m
Partly cloudyTemperature 52°11°Rain chance 0%Wind 7 mph11 km/hWTrack temperature 52°11°Density altitude 3,444 ft1,050 mMostly clearTemperature 50°10°Rain chance 0%Wind 6 mph9 km/hNWTrack temperature 50°10°Density altitude 3,293 ft1,004 mClearTemperature 46°8°Rain chance 0%Wind 8 mph13 km/hWNWTrack temperature 46°8°Density altitude 2,995 ft913 mClearTemperature 46°8°Rain chance 1%Wind 14 mph23 km/hWNWTrack temperature 46°8°Density altitude 2,963 ft903 mClearTemperature 45°7°Rain chance 1%Wind 12 mph19 km/hWTrack temperature 45°7°Density altitude 2,882 ft878 m
Partly cloudyTemperature 45°7°Rain chance 1%Wind 11 mph17 km/hWTrack temperature 45°7°Density altitude 2,824 ft861 mPartly cloudyTemperature 48°9°Rain chance 1%Wind 9 mph15 km/hWTrack temperature 51°11°Density altitude 2,989 ft911 mMostly clearTemperature 52°11°Rain chance 1%Wind 11 mph18 km/hWNWTrack temperature 61°16°Density altitude 3,244 ft989 mOvercastTemperature 55°13°Rain chance 1%Wind 10 mph17 km/hWNWTrack temperature 67°20°Density altitude 3,365 ft1,026 mOvercastTemperature 56°14°Rain chance 1%Wind 11 mph17 km/hNWTrack temperature 71°22°Density altitude 3,485 ft1,062 mHours are track time (MST). Track temperature is an estimate. DA is density altitude.
The racer numbers
Computed from the forecast air temperature, dew point and station pressure (NWS formulas; the correction factor by SAE J1349 and the older 60 °F STD standard). Track temperature is estimated from sun, wind and the surface; it is not a sensor reading. How these are figured.
Day by day
- TodayNov 873°23° 43°6° 0%Green flag
- TomorrowNov 959°15° 45°7° 1%Green flag
- TueNov 1064°18° 44°7° 3%Yellow flag
- WedNov 1156°14° 37°3° 1%Yellow flag
- ThuNov 1248°9° 32°0° 0%Yellow flag
- FriNov 1359°15° 37°3° 0%Green flag
- SatNov 1469°21° 50°10° 1%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Nov 8 | Green flag | Overcast | 73°23° 43°6° | 0% | 17 mph27 km/h WSW | 91°33° | 4,817 ft1,468 m | 6:39 AM · 4:35 PM |
| Tomorrow Nov 9 | Green flag | Overcast | 59°15° 45°7° | 1% | 19 mph30 km/h W | 75°24° | 3,660 ft1,116 m | 6:40 AM · 4:34 PM |
| Tue Nov 10 | Yellow flaggusty wind | Overcast | 64°18° 44°7° | 3% | 31 mph50 km/h WNW | 76°24° | 4,302 ft1,311 m | 6:42 AM · 4:33 PM |
| Wed Nov 11 | Yellow flaggusty wind | Overcast | 56°14° 37°3° | 1% | 34 mph54 km/h NW | 67°20° | 3,584 ft1,092 m | 6:43 AM · 4:32 PM |
| Thu Nov 12 | Yellow flagcold | Clear | 48°9° 32°0° | 0% | 19 mph30 km/h SE | 62°17° | 2,965 ft904 m | 6:44 AM · 4:31 PM |
| Fri Nov 13 | Green flag | Overcast | 59°15° 37°3° | 0% | 11 mph18 km/h SSE | 77°25° | 3,993 ft1,217 m | 6:46 AM · 4:30 PM |
| Sat Nov 14 | Green flag | Clear | 69°21° 50°10° | 1% | 4 mph7 km/h S | 89°32° | 4,630 ft1,411 m | 6:47 AM · 4:29 PM |
Flags judge the racing hours: 9 am to 10 pm at the track for a drag strip. National Weather Service alerts raise them. Days marked partial are at the edge of the forecast. How the flags work
Every hour, every number
Today’s remaining 12 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 70°21° | 33°0° | 25% | 29.86 inHg1011 hPa | 4,640 ft1,414 m | 1.067 | 30 | 90°32° | 6 mph10 km/h E | 0% | |
| 72°22° | 33°1° | 24% | 29.84 inHg1011 hPa | 4,792 ft1,461 m | 1.062 | 31 | 91°33° | 6 mph9 km/h E | 0% | |
| 73°23° | 34°1° | 24% | 29.86 inHg1011 hPa | 4,817 ft1,468 m | 1.061 | 32 | 90°32° | 5 mph7 km/h NE | 0% | |
| 70°21° | 36°2° | 29% | 29.85 inHg1011 hPa | 4,665 ft1,422 m | 1.066 | 35 | 80°27° | 7 mph12 km/h N | 0% | |
| 64°18° | 38°3° | 38% | 29.84 inHg1010 hPa | 4,345 ft1,324 m | 1.077 | 37 | 68°20° | 6 mph9 km/h NNW | 0% | |
| 59°15° | 35°1° | 40% | 29.87 inHg1011 hPa | 4,014 ft1,223 m | 1.087 | 33 | 59°15° | 7 mph12 km/h WNW | 0% | |
| 57°14° | 31°-1° | 37% | 29.87 inHg1011 hPa | 3,901 ft1,189 m | 1.091 | 28 | 57°14° | 8 mph13 km/h WSW | 0% | |
| 56°14° | 26°-3° | 31% | 29.91 inHg1013 hPa | 3,791 ft1,155 m | 1.095 | 23 | 56°14° | 11 mph18 km/h W | 0% | |
| 57°14° | 25°-4° | 29% | 29.93 inHg1013 hPa | 3,825 ft1,166 m | 1.094 | 22 | 57°14° | 11 mph17 km/h WNW | 0% | |
| 55°13° | 25°-4° | 31% | 29.93 inHg1014 hPa | 3,720 ft1,134 m | 1.097 | 22 | 55°13° | 10 mph16 km/h WNW | 0% | |
| 54°12° | 24°-4° | 31% | 29.95 inHg1014 hPa | 3,616 ft1,102 m | 1.101 | 21 | 54°12° | 9 mph15 km/h W | 0% | |
| 53°12° | 24°-4° | 32% | 29.95 inHg1014 hPa | 3,578 ft1,091 m | 1.102 | 22 | 53°12° | 9 mph14 km/h W | 0% |
Every hour from the forecast, the same arithmetic as the pit box above (NWS density-altitude formula; track temperature is an estimate). Hours are track time.
Plan the whole week at Sturgis
Pit box, all week
Every forecast hour for the next seven days at Sturgis: 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 Sturgis, and a heads-up three days out.
A year at Sturgis
Typical for November here: highs around 48°9°, lows 29°-2°, rain on 16% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to Sturgis
Sturgis, South Dakota
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
- Sturgis, South Dakota
- Layout
- Eighth-mile drag strip
- Length
- Eighth mile (660 ft)
- Opened
- 1987
- Series
- NHRA
- Time zone
- America/Denver
- Elevation
- 3,176 ft (968 m)