- Track temp
- 67°F20°C
- Rain chance
- 1%
- Wind
- 4mph6km/hENE
- Density alt.
- 865ft264m
- Barometer 30.23 inHg1024 hPa steady
- Humidity 59%
Forecast updated · Open-Meteo
Hour by hour
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 31
72°22° 59°15° 26%Green flag
- TomorrowNov 1
62°17° 59°15° 40%Green flag
- MonNov 2
69°20° 58°14° 6%Yellow flag
- TueNov 3
77°25° 68°20° 62%Yellow flag
- WedNov 4
70°21° 62°17° 62%Green flag
- ThuNov 5
62°17° 54°12° 23%Red flag
- FriNov 6
54°12° 52°11° 8%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | 72°22° 59°15° | 26% | 15 mph24 km/h E | 85°29° | 1,223 ft373 m | 7:20 AM · 6:00 PM | |
| Tomorrow Nov 1 | Green flag | 62°17° 59°15° | 40% 0.13 in3.3 mm | 22 mph35 km/h SE | 62°17° | 397 ft121 m | 6:21 AM · 4:59 PM | |
| Mon Nov 2 | Yellow flaggusty wind | 69°20° 58°14° | 6% | 38 mph62 km/h SSE | 74°23° | 1,248 ft380 m | 6:22 AM · 4:58 PM | |
| Tue Nov 3 | Yellow flaggusty wind | 77°25° 68°20° | 62% | 39 mph63 km/h S | 88°31° | 1,966 ft599 m | 6:23 AM · 4:57 PM | |
| Wed Nov 4 | Green flag | 70°21° 62°17° | 62% 0.13 in3.4 mm | 15 mph24 km/h S | 78°26° | 1,493 ft455 m | 6:24 AM · 4:56 PM | |
| Thu Nov 5 | Red flagrain | 62°17° 54°12° | 23% 0.7 in17.7 mm | 7 mph12 km/h NW | 63°17° | 852 ft260 m | 6:25 AM · 4:55 PM | |
| Fri Nov 6 | Green flag | 54°12° 52°11° | 8% 0.06 in1.5 mm | 13 mph20 km/h W | 56°13° | 435 ft133 m | 6:27 AM · 4:54 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 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 67°20° | 52°11° | 59% | 30.23 inHg1024 hPa | 865 ft264 m | 1.194 | 58 | 67°20° | 4 mph6 km/h ENE | 1% | |
| 65°18° | 52°11° | 64% | 30.24 inHg1024 hPa | 692 ft211 m | 1.200 | 58 | 65°18° | 4 mph7 km/h E | 3% | |
| 63°17° | 52°11° | 66% | 30.24 inHg1024 hPa | 608 ft185 m | 1.203 | 57 | 63°17° | 4 mph7 km/h E · gusts 12 mph20 km/h | 5% | |
| 62°17° | 53°11° | 70% | 30.27 inHg1025 hPa | 516 ft157 m | 1.207 | 59 | 62°17° | 4 mph7 km/h E · gusts 13 mph21 km/h | 6% | |
| 63°17° | 54°12° | 71% | 30.29 inHg1026 hPa | 559 ft170 m | 1.205 | 62 | 63°17° | 7 mph11 km/h SE · gusts 15 mph24 km/h | 21% | |
| 63°17° | 56°13° | 77% | 30.30 inHg1026 hPa | 558 ft170 m | 1.205 | 66 | 63°17° | 3 mph5 km/h S | 26% |
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 Du Quoin
Pit box, all week
Every forecast hour for the next seven days at Du Quoin: 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 Du Quoin, and a heads-up three days out.
Getting to Du Quoin
Du Quoin, Illinois
No street address published; directions go to the track itself.
We have not checked parking and camping here yet.
Facts
- Location
- Du Quoin, Illinois
- Layout
- One-mile dirt oval, the Du Quoin Magic Mile
- Length
- 1 mi (1.61 km)
- Surface
- Dirt
- Opened
- 1946
- Series
- USAC Silver Crown Series, American Flat Track, ARCA Menards Series
- Signature events
- Ted Horn 100
- Time zone
- America/Chicago
- Elevation
- 423 ft (129 m)