Route 66 Raceway
NHRA Route 66 Nationals
500 Speedway Blvd, Joliet, IL 60433
What’s nearby
Tailwind down the strip: 8 mph13 km/h
Layout © OpenStreetMap contributors · north up- Track temp
- 59°F15°C
- Rain chance
- 2%
- Wind
- 8mph13km/hE
- Density alt.
- 521ft159m
- Barometer 30.29 inHg1026 hPa steady
- Humidity 64%
- Cloud 100%
- UV 0
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
65°18° 53°12° 39%Green flag
- TomorrowNov 1
68°20° 52°11° 14%Green flag
- MonNov 2
61°16° 56°13° 17%Yellow flag
- TueNov 3
73°23° 59°15° 64%Red flag
- WedNov 4
64°18° 53°11° 62%Green flag
- ThuNov 5
55°13° 52°11° 23%Red flag
- FriNov 6
52°11° 46°8° 23%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | 65°18° 53°12° | 39% 0.02 in0.4 mm | 24 mph39 km/h ESE | 78°26° | 848 ft258 m | 7:21 AM · 5:50 PM | |
| Tomorrow Nov 1 | Green flag | 68°20° 52°11° | 14% 0.02 in0.4 mm | 22 mph36 km/h SSE | 77°25° | 1,086 ft331 m | 6:22 AM · 4:48 PM | |
| Mon Nov 2 | Yellow flaggusty wind | 61°16° 56°13° | 17% 0.05 in1.2 mm | 38 mph62 km/h SSE | 66°19° | 977 ft298 m | 6:24 AM · 4:47 PM | |
| Tue Nov 3 | Red flagrain, gusty wind | 73°23° 59°15° | 64% 0.46 in11.8 mm | 44 mph71 km/h S | 83°28° | 1,986 ft605 m | 6:25 AM · 4:46 PM | |
| Wed Nov 4 | Green flag | 64°18° 53°11° | 62% 1.95 in49.6 mm | 27 mph43 km/h NE | 64°18° | 1,310 ft399 m | 6:26 AM · 4:45 PM | |
| Thu Nov 5 | Red flagrain | 55°13° 52°11° | 23% 0.37 in9.3 mm | 14 mph22 km/h NNE | 57°14° | 649 ft198 m | 6:27 AM · 4:44 PM | |
| Fri Nov 6 | Green flag | 52°11° 46°8° | 23% 0.36 in9.2 mm | 15 mph24 km/h NW | 50°10° | 288 ft88 m | 6:29 AM · 4:43 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 59°15° | 47°8° | 64% | 30.29 inHg1026 hPa | 521 ft159 m | 1.206 | 48 | 59°15° | 8 mph13 km/h E | 2% | |
| 57°14° | 47°8° | 68% | 30.30 inHg1026 hPa | 362 ft110 m | 1.212 | 47 | 57°14° | 5 mph9 km/h SE · gusts 12 mph19 km/h | 2% | |
| 56°14° | 46°8° | 68% | 30.32 inHg1027 hPa | 296 ft90 m | 1.214 | 46 | 56°14° | 7 mph11 km/h SE · gusts 16 mph26 km/h | 3% | |
| 56°13° | 44°7° | 65% | 30.33 inHg1027 hPa | 239 ft73 m | 1.216 | 43 | 56°13° | 10 mph15 km/h SE · gusts 17 mph28 km/h | 3% | |
| 56°13° | 43°6° | 62% | 30.34 inHg1027 hPa | 223 ft68 m | 1.217 | 41 | 56°13° | 9 mph15 km/h SE | 3% | |
| 55°13° | 44°6° | 64% | 30.32 inHg1027 hPa | 219 ft67 m | 1.217 | 42 | 55°13° | 9 mph15 km/h SE | 2% |
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 Route 66
Pit box, all week
Every forecast hour for the next seven days at Route 66: 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 Route 66, and a heads-up three days out.
Getting to Route 66
500 Speedway Blvd, Joliet, IL 60433
Good to know
At the 2026 Route 66 NHRA Nationals, spectator gates opened at 7:30 a.m. each day. app.nhra.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Joliet, Illinois
- Layout
- Quarter-mile drag strip beside Chicagoland Speedway
- Length
- Quarter mile (1,320 ft)
- Surface
- Asphalt/concrete
- Opened
- 1998
- Series
- NHRA
- Signature events
- NHRA Route 66 Nationals
- Time zone
- America/Chicago
- Elevation
- 633 ft (193 m)