- Track temp
- 60°F16°C
- Rain chance
- 3%
- Wind
- 6mph10km/hSE
- Density alt.
- 1,303ft397m
- Barometer 30.19 inHg1023 hPa steady
- Humidity 91%
- Cloud 100%
- UV 0
Forecast updated · Open-Meteo
Hour by hour
OvercastTemperature 60°16°Rain chance 3%Wind 6 mph10 km/hSETrack temperature 60°16°
OvercastTemperature 58°15°Rain chance 3%Wind 7 mph11 km/hESETrack temperature 58°15°OvercastTemperature 59°15°Rain chance 4%Wind 9 mph14 km/hESETrack temperature 59°15°OvercastTemperature 59°15°Rain chance 4%Wind 10 mph16 km/hSETrack temperature 59°15°OvercastTemperature 58°15°Rain chance 4%Wind 12 mph19 km/hSETrack temperature 58°15°OvercastTemperature 58°14°Rain chance 3%Wind 10 mph17 km/hSETrack temperature 58°14°OvercastTemperature 57°14°Rain chance 4%Wind 6 mph10 km/hSETrack temperature 57°14°OvercastTemperature 56°14°Rain chance 5%Wind 7 mph11 km/hESETrack temperature 56°14°
Partly cloudyTemperature 56°13°Rain chance 8%Wind 6 mph10 km/hESETrack temperature 56°13°Partly cloudyTemperature 55°13°Rain chance 3%Wind 7 mph11 km/hESETrack temperature 55°13°Partly cloudyTemperature 54°12°Rain chance 3%Wind 7 mph12 km/hESETrack temperature 54°12°OvercastTemperature 53°12°Rain chance 2%Wind 6 mph10 km/hESETrack temperature 53°12°OvercastTemperature 52°11°Rain chance 2%Wind 7 mph11 km/hESETrack temperature 52°11°OvercastTemperature 52°11°Rain chance 2%Wind 8 mph14 km/hESETrack temperature 52°11°OvercastTemperature 52°11°Rain chance 3%Wind 7 mph11 km/hSETrack temperature 52°11°
Partly cloudyTemperature 53°12°Rain chance 3%Wind 8 mph13 km/hESETrack temperature 56°13°
Mostly clearTemperature 56°13°Rain chance 4%Wind 9 mph14 km/hSETrack temperature 63°17°OvercastTemperature 59°15°Rain chance 4%Wind 7 mph11 km/hSETrack temperature 72°22°OvercastTemperature 60°16°Rain chance 3%Wind 8 mph13 km/hSSETrack temperature 65°18°OvercastTemperature 60°16°Rain chance 3%Wind 9 mph14 km/hSSETrack temperature 63°17°OvercastTemperature 61°16°Rain chance 2%Wind 8 mph12 km/hSSETrack temperature 65°18°OvercastTemperature 61°16°Rain chance 2%Wind 5 mph8 km/hSSETrack temperature 63°17°OvercastTemperature 60°16°Rain chance 2%Wind 6 mph10 km/hSETrack temperature 61°16°OvercastTemperature 60°16°Rain chance 2%Wind 8 mph13 km/hSETrack temperature 61°16°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
63°17° 53°12° 47%Red flag - TomorrowNov 1
61°16° 52°11° 9%Green flag - MonNov 268°20° 59°15° 99%Red flag
- TueNov 369°21° 52°11° 78%Yellow flag
- WedNov 458°14° 45°7° 31%Green flag
- ThuNov 552°11° 46°8° 12%Green flag
- FriNov 656°13° 46°8° 10%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Red flagrain | Rain | 63°17° 53°12° | 47% 0.1 in2.5 mm | 26 mph41 km/h SE | 73°23° | 1,510 ft460 m | 7:45 AM · 6:12 PM |
| Tomorrow Nov 1 | Green flag | Fog | 61°16° 52°11° | 9% | 26 mph42 km/h SE | 72°22° | 1,402 ft427 m | 6:47 AM · 5:11 PM |
| Mon Nov 2 | Red flagrain, gusty wind | Rain | 68°20° 59°15° | 99% 0.44 in11.2 mm | 44 mph71 km/h SSE | 69°20° | 2,517 ft767 m | 6:48 AM · 5:09 PM |
| Tue Nov 3 | Yellow flaggusty wind | Overcast | 69°21° 52°11° | 78% 0.14 in3.6 mm | 35 mph57 km/h SSW | 84°29° | 2,341 ft714 m | 6:49 AM · 5:08 PM |
| Wed Nov 4 | Green flag | Overcast | 58°14° 45°7° | 31% | 30 mph49 km/h NNE | 72°22° | 1,497 ft456 m | 6:50 AM · 5:07 PM |
| Thu Nov 5 | Green flag | Overcast | 52°11° 46°8° | 12% | 16 mph25 km/h NNE | 55°13° | 916 ft279 m | 6:52 AM · 5:06 PM |
| Fri Nov 6 | Green flag | Overcast | 56°13° 46°8° | 10% | 10 mph16 km/h NNW | 69°20° | 1,241 ft378 m | 6:53 AM · 5:05 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 60°16° | 57°14° | 91% | 30.19 inHg1023 hPa | 1,303 ft397 m | 1.179 | 72 | 60°16° | 6 mph10 km/h SE | 3% | |
| 58°15° | 56°14° | 93% | 30.22 inHg1023 hPa | 1,170 ft357 m | 1.184 | 70 | 58°15° | 7 mph11 km/h ESE | 3% | |
| 59°15° | 57°14° | 95% | 30.24 inHg1024 hPa | 1,176 ft358 m | 1.183 | 72 | 59°15° | 9 mph14 km/h ESE · gusts 19 mph30 km/h | 4% | |
| 59°15° | 58°14° | 97% | 30.25 inHg1025 hPa | 1,163 ft354 m | 1.184 | 73 | 59°15° | 10 mph16 km/h SE · gusts 21 mph33 km/h | 4% | |
| 58°15° | 57°14° | 95% | 30.28 inHg1025 hPa | 1,095 ft334 m | 1.186 | 70 | 58°15° | 12 mph19 km/h SE · gusts 22 mph35 km/h | 4% | |
| 58°14° | 56°13° | 94% | 30.26 inHg1025 hPa | 1,103 ft336 m | 1.186 | 69 | 58°14° | 10 mph17 km/h SE · gusts 24 mph39 km/h | 3% |
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 Boone
Pit box, all week
Every forecast hour for the next seven days at Boone: 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 Boone, and a heads-up three days out.
Getting to Boone
1481 223rd Pl, Boone, IA 50036
Camping On site
Camping on the speedway grounds during the regular season, with no electrical hookups. IMCA Super Nationals week has its own reserved camping, booked through IMCA. raceboone.com
Good to know
Small personal coolers are allowed in the grandstands but must be empty at the gate. Concessions are cash only. raceboone.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Boone, Iowa
- Layout
- 1/3-mile dirt oval
- Length
- 0.333 mi (0.54 km)
- Surface
- Dirt
- Banking
- semi-banked
- Opened
- 1964
- Series
- IMCA
- Signature events
- IMCA Speedway Motors Super Nationals
- Time zone
- America/Chicago
- Elevation
- 1,096 ft (334 m)