- Track temp
- 51°F11°C
- Rain chance
- 8%
- Wind
- 8mph14km/hSE · gusts 17 mph27 km/h
- Density alt.
- 783ft239m
- Barometer 30.18 inHg1022 hPa steady
- Humidity 92%
- 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
50°10° 41°5° 11%Green flag
- TomorrowNov 1
56°13° 51°11° 11%Green flag
- MonNov 2
62°17° 55°13° 100%Red flag
- TueNov 3
62°17° 40°5° 94%Red flag
- WedNov 4
49°10° 41°5° 43%Yellow flag
- ThuNov 5
56°13° 43°6° 10%Green flag
- FriNov 6
57°14° 43°6° 5%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | 50°10° 41°5° | 11% | 19 mph31 km/h SE | 58°15° | 819 ft250 m | 7:55 AM · 6:05 PM | |
| Tomorrow Nov 1 | Green flag | 56°13° 51°11° | 11% | 21 mph33 km/h S | 61°16° | 1,275 ft389 m | 6:57 AM · 5:04 PM | |
| Mon Nov 2 | Red flagrain | 62°17° 55°13° | 100% 0.65 in16.6 mm | 37 mph59 km/h SSE | 61°16° | 2,350 ft716 m | 6:58 AM · 5:02 PM | |
| Tue Nov 3 | Red flagrain | 62°17° 40°5° | 94% 0.56 in14.3 mm | 29 mph46 km/h WSW | 47°9° | 1,332 ft406 m | 7:00 AM · 5:01 PM | |
| Wed Nov 4 | Yellow flaggusty wind | 49°10° 41°5° | 43% 0.08 in2 mm | 30 mph48 km/h WNW | 51°10° | 1,286 ft392 m | 7:01 AM · 4:59 PM | |
| Thu Nov 5 | Green flag | 56°13° 43°6° | 10% | 17 mph27 km/h N | 78°25° | 1,213 ft370 m | 7:03 AM · 4:58 PM | |
| Fri Nov 6 | Green flag | 57°14° 43°6° | 5% | 12 mph20 km/h S | 72°22° | 1,484 ft452 m | 7:04 AM · 4:57 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 7 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° | 48°9° | 92% | 30.18 inHg1022 hPa | 783 ft239 m | 1.197 | 51 | 51°11° | 8 mph14 km/h SE · gusts 17 mph27 km/h | 8% | |
| 49°10° | 48°9° | 95% | 30.16 inHg1021 hPa | 777 ft237 m | 1.197 | 51 | 49°10° | 8 mph14 km/h SE · gusts 19 mph31 km/h | 10% | |
| 49°10° | 48°9° | 96% | 30.17 inHg1022 hPa | 761 ft232 m | 1.198 | 52 | 49°10° | 7 mph12 km/h SE · gusts 15 mph24 km/h | 8% | |
| 49°10° | 49°9° | 98% | 30.16 inHg1021 hPa | 779 ft237 m | 1.197 | 53 | 49°10° | 7 mph11 km/h SE · gusts 14 mph22 km/h | 8% | |
| 49°10° | 49°9° | 98% | 30.19 inHg1022 hPa | 747 ft228 m | 1.198 | 53 | 49°10° | 7 mph11 km/h SE | 3% | |
| 50°10° | 49°10° | 99% | 30.21 inHg1023 hPa | 753 ft230 m | 1.198 | 54 | 50°10° | 9 mph14 km/h SSE | 4% | |
| 50°10° | 50°10° | 98% | 30.20 inHg1023 hPa | 795 ft242 m | 1.197 | 55 | 50°10° | 7 mph12 km/h S | 4% |
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 Brainerd
Pit box, all week
Every forecast hour for the next seven days at Brainerd: 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 Brainerd, and a heads-up three days out.
A year at Brainerd
Typical for October here: highs around 58°15°, lows 44°7°, rain on 27% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to Brainerd
5523 Birchdale Rd, Brainerd, MN 56401
Parking
Free at every event except the NHRA Nationals. Nationals: day parking $15 per vehicle per day; Gate parking $80 Thu to Sun in advance ($25 a day at the gate); Premium $100 in advance. Towing after 9 p.m. birmn.com
Camping On site
Full-service reserved RV sites in the VIP Campground (limited, book early) plus 200-plus acres of first-come open camping with no electricity or water; showers and restrooms. Family area at the Nationals. birmn.com
Good to know
Buy firewood at BIR rather than bringing it, to prevent the spread of invasive pests. birmn.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Brainerd, Minnesota
- Layout
- 3.1-mile Donnybrooke course; 2.5-mile competition course; quarter-mile drag strip
- Length
- 3.1 mi (4.99 km)
- Surface
- Asphalt
- Opened
- 1968
- Series
- NHRA, Club racing
- Signature events
- NHRA Brainerd Nationals
- Time zone
- America/Chicago
- Elevation
- 1,217 ft (371 m)