
- Track temp
- 61°F16°C
- Rain chance
- 4%
- Wind
- 5mph8km/hESE
- Density alt.
- 1,320ft402m
- Barometer 30.13 inHg1020 hPa rising
- Humidity 96%
- 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
64°18° 60°15° 73%Red flag
- TomorrowNov 1
68°20° 60°16° 4%Green flag
- MonNov 2
76°25° 61°16° 83%Red flag
- TueNov 3
67°19° 56°13° 83%Green flag
- WedNov 4
62°17° 51°10° 3%Green flag
- ThuNov 5
62°16° 48°9° 13%Green flag
- FriNov 6
63°17° 46°8° 3%Green flag
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Red flagrain | 64°18° 60°15° | 73% 0.33 in8.4 mm | 18 mph29 km/h ESE | 65°18° | 1,403 ft428 m | 7:47 AM · 6:32 PM | |
| Tomorrow Nov 1 | Green flag | 68°20° 60°16° | 4% | 17 mph27 km/h SSE | 85°30° | 1,775 ft541 m | 6:48 AM · 5:31 PM | |
| Mon Nov 2 | Red flaglightning possible, gusty wind | 76°25° 61°16° | 83% 0.55 in13.9 mm | 43 mph69 km/h S | 86°30° | 2,747 ft837 m | 6:49 AM · 5:30 PM | |
| Tue Nov 3 | Green flag | 67°19° 56°13° | 83% | 28 mph45 km/h W | 86°30° | 2,042 ft622 m | 6:50 AM · 5:29 PM | |
| Wed Nov 4 | Green flag | 62°17° 51°10° | 3% | 23 mph37 km/h NNW | 81°27° | 1,713 ft522 m | 6:51 AM · 5:28 PM | |
| Thu Nov 5 | Green flag | 62°16° 48°9° | 13% 0.04 in1 mm | 16 mph26 km/h NNW | 74°23° | 1,557 ft475 m | 6:52 AM · 5:27 PM | |
| Fri Nov 6 | Green flag | 63°17° 46°8° | 3% | 15 mph24 km/h NW | 81°27° | 1,606 ft490 m | 6:53 AM · 5:26 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 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 61°16° | 60°15° | 96% | 30.13 inHg1020 hPa | 1,320 ft402 m | 1.178 | 78 | 61°16° | 5 mph8 km/h ESE | 4% | |
| 60°16° | 59°15° | 96% | 30.12 inHg1020 hPa | 1,314 ft401 m | 1.179 | 78 | 60°16° | 6 mph9 km/h ESE | 2% | |
| 60°16° | 59°15° | 96% | 30.15 inHg1021 hPa | 1,269 ft387 m | 1.180 | 77 | 60°16° | 5 mph7 km/h ESE | 1% | |
| 60°16° | 59°15° | 96% | 30.15 inHg1021 hPa | 1,269 ft387 m | 1.180 | 77 | 60°16° | 5 mph8 km/h ESE | 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 Hallett
Pit box, all week
Every forecast hour for the next seven days at Hallett: 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 Hallett, and a heads-up three days out.
A year at Hallett
Typical for October here: highs around 76°24°, lows 56°14°, rain on 21% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to Hallett
59901 E. 5500 Rd, Jennings, OK 74038
Parking
All parking is reserved online. Covered raceports and RV spaces are booked per event; partial-event and single-day reservations are handled onsite. Prices are not published. hallettracing.net
Camping On site
Tent, van or RV, for multi-day events. Reserved full-hookup sites, or paddock spots with electric: 20 amp $10/day, 30 amp $15/day, 50 amp $25/day. Primitive camping typically free, plus gate fee. hallettracing.net
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Hallett, Oklahoma
- Layout
- 1.8-mile, 10-turn road course
- Length
- 1.8 mi (2.90 km)
- Surface
- Asphalt
- Opened
- 1976
- Series
- Club racing
- Signature events
- SCCA and NASA regional racing
- Time zone
- America/Chicago
- Elevation
- 994 ft (303 m)