- Track temp
- 65°F18°C
- Rain chance
- 0%
- Wind
- 12mph19km/hWNW · gusts 19 mph30 km/h
- Density alt.
- 803ft245m
- Barometer 30.05 inHg1018 hPa steady
- Humidity 73%
Forecast updated · Open-Meteo
Hour by hour
ClearTemperature 50°10°Rain chance 0%Wind 12 mph19 km/hWNWTrack temperature 65°18°Density altitude 803 ft245 mClearTemperature 50°10°Rain chance 0%Wind 11 mph18 km/hWNWTrack temperature 64°18°Density altitude 848 ft258 mClearTemperature 50°10°Rain chance 0%Wind 11 mph17 km/hWNWTrack temperature 61°16°Density altitude 841 ft256 mClearTemperature 49°10°Rain chance 0%Wind 7 mph11 km/hWNWTrack temperature 55°13°Density altitude 780 ft238 m
ClearTemperature 46°8°Rain chance 0%Wind 5 mph9 km/hWTrack temperature 46°8°Density altitude 538 ft164 mClearTemperature 43°6°Rain chance 0%Wind 6 mph10 km/hWSWTrack temperature 43°6°Density altitude 407 ft124 mClearTemperature 42°6°Rain chance 0%Wind 5 mph8 km/hWSWTrack temperature 42°6°Density altitude 299 ft91 m
OvercastTemperature 41°5°Rain chance 0%Wind 6 mph9 km/hSWTrack temperature 41°5°Density altitude 198 ft60 mOvercastTemperature 40°4°Rain chance 0%Wind 7 mph11 km/hSSWTrack temperature 40°4°Density altitude 155 ft47 mOvercastTemperature 40°4°Rain chance 0%Wind 6 mph10 km/hSTrack temperature 40°4°Density altitude 167 ft51 mOvercastTemperature 40°4°Rain chance 0%Wind 8 mph13 km/hSSWTrack temperature 40°4°Density altitude 199 ft61 mOvercastTemperature 40°5°Rain chance 0%Wind 9 mph15 km/hSTrack temperature 40°5°Density altitude 221 ft67 mOvercastTemperature 40°5°Rain chance 0%Wind 9 mph15 km/hSSWTrack temperature 40°5°Density altitude 244 ft74 mOvercastTemperature 40°5°Rain chance 0%Wind 10 mph16 km/hSTrack temperature 40°5°Density altitude 261 ft80 mOvercastTemperature 41°5°Rain chance 0%Wind 12 mph20 km/hSSWTrack temperature 41°5°Density altitude 349 ft106 mOvercastTemperature 41°5°Rain chance 0%Wind 13 mph20 km/hSSWTrack temperature 41°5°Density altitude 360 ft110 mOvercastTemperature 41°5°Rain chance 0%Wind 11 mph18 km/hSSWTrack temperature 41°5°Density altitude 356 ft109 mOvercastTemperature 39°4°Rain chance 0%Wind 11 mph17 km/hSTrack temperature 39°4°Density altitude 177 ft54 mOvercastTemperature 40°4°Rain chance 1%Wind 11 mph17 km/hSSWTrack temperature 40°4°Density altitude 203 ft62 m
OvercastTemperature 40°5°Rain chance 1%Wind 11 mph18 km/hSSWTrack temperature 41°5°Density altitude 249 ft76 mOvercastTemperature 43°6°Rain chance 1%Wind 11 mph17 km/hSSWTrack temperature 48°9°Density altitude 459 ft140 mOvercastTemperature 46°8°Rain chance 2%Wind 10 mph15 km/hWSWTrack temperature 55°13°Density altitude 662 ft202 mOvercastTemperature 49°9°Rain chance 2%Wind 7 mph12 km/hWTrack temperature 59°15°Density altitude 848 ft258 mOvercastTemperature 51°11°Rain chance 2%Wind 9 mph14 km/hWNWTrack temperature 66°19°Density altitude 1,019 ft311 mHours are track time (CST). 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 850°10° 38°4° 0%Green flag
- TomorrowNov 955°13° 39°4° 2%Yellow flag
- TueNov 1055°13° 37°3° 6%Green flag
- WedNov 11
47°9° 35°2° 21%Yellow flag - ThuNov 1237°3° 28°-2° 0%Yellow flag
- FriNov 1339°4° 26°-3° 0%Yellow flag
- SatNov 1446°8° 29°-1° 1%Yellow flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Nov 8 | Green flag | Overcast | 50°10° 38°4° | 0% | 24 mph39 km/h W | 65°18° | 848 ft258 m | 7:06 AM · 4:58 PM |
| Tomorrow Nov 9 | Yellow flaggusty wind | Overcast | 55°13° 39°4° | 2% | 25 mph40 km/h WSW | 68°20° | 1,189 ft362 m | 7:07 AM · 4:57 PM |
| Tue Nov 10 | Green flag | Overcast | 55°13° 37°3° | 6% | 15 mph24 km/h SW | 68°20° | 1,155 ft352 m | 7:08 AM · 4:56 PM |
| Wed Nov 11 | Yellow flagcold | Light drizzle | 47°9° 35°2° | 21% 0.05 in1.2 mm | 21 mph35 km/h N | 61°16° | 629 ft192 m | 7:10 AM · 4:55 PM |
| Thu Nov 12 | Yellow flagcold | Overcast | 37°3° 28°-2° | 0% | 25 mph40 km/h N | 50°10° | -436 ft-133 m | 7:11 AM · 4:54 PM |
| Fri Nov 13 | Yellow flagcold | Overcast | 39°4° 26°-3° | 0% | 12 mph19 km/h WNW | 61°16° | -145 ft-44 m | 7:13 AM · 4:53 PM |
| Sat Nov 14 | Yellow flagcold | Overcast | 46°8° 29°-1° | 1% | 20 mph32 km/h S | 55°13° | 720 ft219 m | 7:14 AM · 4:52 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 11 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 50°10° | 42°5° | 73% | 30.05 inHg1018 hPa | 803 ft245 m | 1.196 | 40 | 65°18° | 12 mph19 km/h WNW · gusts 19 mph30 km/h | 0% | |
| 50°10° | 42°6° | 73% | 30.04 inHg1017 hPa | 848 ft258 m | 1.195 | 41 | 64°18° | 11 mph18 km/h WNW · gusts 19 mph30 km/h | 0% | |
| 50°10° | 43°6° | 75% | 30.05 inHg1018 hPa | 841 ft256 m | 1.195 | 42 | 61°16° | 11 mph17 km/h WNW · gusts 20 mph32 km/h | 0% | |
| 49°10° | 43°6° | 80% | 30.03 inHg1017 hPa | 780 ft238 m | 1.197 | 43 | 55°13° | 7 mph11 km/h WNW · gusts 16 mph25 km/h | 0% | |
| 46°8° | 42°5° | 86% | 30.03 inHg1017 hPa | 538 ft164 m | 1.206 | 40 | 46°8° | 5 mph9 km/h W | 0% | |
| 43°6° | 40°5° | 89% | 30.02 inHg1017 hPa | 407 ft124 m | 1.210 | 38 | 43°6° | 6 mph10 km/h WSW | 0% | |
| 42°6° | 39°4° | 88% | 30.03 inHg1017 hPa | 299 ft91 m | 1.214 | 36 | 42°6° | 5 mph8 km/h WSW | 0% | |
| 41°5° | 37°3° | 88% | 30.04 inHg1017 hPa | 198 ft60 m | 1.218 | 34 | 41°5° | 6 mph9 km/h SW | 0% | |
| 40°4° | 37°3° | 91% | 30.04 inHg1017 hPa | 155 ft47 m | 1.219 | 34 | 40°4° | 7 mph11 km/h SSW | 0% | |
| 40°4° | 37°3° | 90% | 30.01 inHg1016 hPa | 167 ft51 m | 1.219 | 33 | 40°4° | 6 mph10 km/h S | 0% | |
| 40°4° | 37°3° | 89% | 30.00 inHg1016 hPa | 199 ft61 m | 1.218 | 33 | 40°4° | 8 mph13 km/h SSW · gusts 17 mph27 km/h | 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 Grove Creek
Pit box, all week
Every forecast hour for the next seven days at Grove Creek: 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 Grove Creek, and a heads-up three days out.
A year at Grove Creek
Typical for November here: highs around 42°6°, lows 28°-2°, rain on 19% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to Grove Creek
Grove City, Minnesota
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
- Grove City, Minnesota
- Layout
- Eighth-mile drag strip with night racing
- Length
- Eighth mile (660 ft)
- Series
- NHRA
- Time zone
- America/Chicago
- Elevation
- 1,145 ft (349 m)