60°16°OvercastFeels like 55°13° · Dew point 47°9°
- Track temp
- 71°F22°C
- Rain chance
- 6%
- Wind
- 8mph13km/hSSE
- Density alt.
- 1,173ft358m
- Barometer 30.30 inHg1026 hPa falling
- Humidity 62%
- Cloud 94%
- UV 1
Forecast updated · Open-Meteo
Next 24 hours
The week Hour by hour
NowOvercastTemperature 60°16°Rain chance 6%Wind 8 mph13 km/hSSETrack temperature 71°22°
OvercastTemperature 60°16°Rain chance 6%Wind 8 mph13 km/hSSETrack temperature 71°22°OvercastTemperature 58°15°Rain chance 8%Wind 7 mph10 km/hESETrack temperature 63°17°
OvercastTemperature 56°13°Rain chance 6%Wind 7 mph12 km/hSSETrack temperature 56°13°OvercastTemperature 53°12°Rain chance 17%Wind 8 mph12 km/hSETrack temperature 53°12°OvercastTemperature 53°11°Rain chance 10%Wind 8 mph13 km/hSETrack temperature 53°11°OvercastTemperature 51°11°Rain chance 7%Wind 7 mph11 km/hSSETrack temperature 51°11°OvercastTemperature 50°10°Rain chance 6%Wind 7 mph12 km/hSSETrack temperature 50°10°OvercastTemperature 50°10°Rain chance 6%Wind 7 mph11 km/hSTrack temperature 50°10°OvercastTemperature 49°10°Rain chance 4%Wind 6 mph10 km/hSTrack temperature 49°10°OvercastTemperature 50°10°Rain chance 4%Wind 6 mph10 km/hSTrack temperature 50°10°OvercastTemperature 50°10°Rain chance 4%Wind 6 mph10 km/hSSETrack temperature 50°10°OvercastTemperature 49°9°Rain chance 4%Wind 4 mph6 km/hSTrack temperature 49°9°OvercastTemperature 48°9°Rain chance 3%Wind 4 mph6 km/hSTrack temperature 48°9°OvercastTemperature 49°9°Rain chance 4%Wind 4 mph6 km/hSSETrack temperature 49°9°OvercastTemperature 48°9°Rain chance 5%Wind 5 mph8 km/hSETrack temperature 48°9°OvercastTemperature 49°9°Rain chance 6%Wind 4 mph6 km/hSSETrack temperature 49°9°OvercastTemperature 49°10°Rain chance 8%Wind 4 mph7 km/hSSWTrack temperature 50°10°
Mostly clearTemperature 53°12°Rain chance 11%Wind 2 mph3 km/hSWTrack temperature 59°15°Mostly clearTemperature 56°14°Rain chance 12%Wind 3 mph5 km/hSWTrack temperature 69°21°
Partly cloudyTemperature 60°16°Rain chance 11%Wind 3 mph4 km/hSTrack temperature 76°24°OvercastTemperature 62°17°Rain chance 6%Wind 4 mph7 km/hSSETrack temperature 74°23°OvercastTemperature 62°17°Rain chance 6%Wind 8 mph13 km/hSTrack temperature 77°25°OvercastTemperature 64°18°Rain chance 6%Wind 6 mph10 km/hSTrack temperature 78°26°OvercastTemperature 63°17°Rain chance 6%Wind 6 mph10 km/hSTrack temperature 66°19°Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude1,173ft358mField elevation 1,119 ft
Air density1.183kg/m³96.6% of standard (RAD)
Water grains50grgrains per lb of dry air
Track temp (est.)71°F22°CAsphalt in 276 W/m² sun
Dew point47°F9°C62% humidity
Barometer30.30inHg1026hPaFalling over 3 h
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.
This week
Day by day
- TodayOct 3160°16° 46°8° 17%Green flag
- TomorrowNov 164°18° 48°9° 12%Green flag
- MonNov 2
60°15° 52°11° 77%Yellow flag - TueNov 367°19° 50°10° 79%Yellow flag
- WedNov 457°14° 48°9° 67%Yellow flag
- ThuNov 554°12° 49°9° 23%Green flag
- FriNov 651°11° 48°9° 21%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | Overcast | 60°16° 46°8° | 17% | 19 mph31 km/h SE | 75°24° | 1,173 ft358 m | 7:25 AM · 5:47 PM |
| Tomorrow Nov 1 | Green flag | Overcast | 64°18° 48°9° | 12% | 18 mph28 km/h SSE | 78°26° | 1,375 ft419 m | 6:27 AM · 4:46 PM |
| Mon Nov 2 | Yellow flaggusty wind | Light drizzle | 60°15° 52°11° | 77% 0.03 in0.7 mm | 37 mph59 km/h S | 62°17° | 1,587 ft484 m | 6:28 AM · 4:45 PM |
| Tue Nov 3 | Yellow flaggusty wind | Light drizzle | 67°19° 50°10° | 79% 0.03 in0.8 mm | 43 mph68 km/h SSW | 71°21° | 2,359 ft719 m | 6:29 AM · 4:43 PM |
| Wed Nov 4 | Yellow flaggusty wind | Overcast | 57°14° 48°9° | 67% | 32 mph52 km/h SW | 67°20° | 1,574 ft480 m | 6:31 AM · 4:42 PM |
| Thu Nov 5 | Green flag | Overcast | 54°12° 49°9° | 23% | 19 mph31 km/h N | 60°15° | 1,143 ft348 m | 6:32 AM · 4:41 PM |
| Fri Nov 6 | Green flag | Overcast | 51°11° 48°9° | 21% | 21 mph34 km/h NNE | 52°11° | 1,010 ft308 m | 6:33 AM · 4:40 PM |
Flags judge the racing hours, 9 am to 10 pm at the track. Days marked partial are at the edge of the forecast.
Pit box, all week
Pro Every hour, every number
Today’s remaining 8 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° | 47°9° | 62% | 30.30 inHg1026 hPa | 1,173 ft358 m | 1.183 | 50 | 71°22° | 8 mph13 km/h SSE | 6% | |
| 58°15° | 48°9° | 69% | 30.31 inHg1026 hPa | 1,028 ft313 m | 1.189 | 51 | 63°17° | 7 mph10 km/h ESE | 8% | |
| 56°13° | 49°9° | 78% | 30.29 inHg1026 hPa | 898 ft274 m | 1.193 | 52 | 56°13° | 7 mph12 km/h SSE · gusts 15 mph24 km/h | 6% | |
| 53°12° | 46°8° | 77% | 30.29 inHg1026 hPa | 691 ft211 m | 1.200 | 47 | 53°12° | 8 mph12 km/h SE | 17% | |
| 53°11° | 46°8° | 78% | 30.30 inHg1026 hPa | 680 ft207 m | 1.201 | 47 | 53°11° | 8 mph13 km/h SE | 10% | |
| 51°11° | 46°8° | 81% | 30.32 inHg1027 hPa | 554 ft169 m | 1.205 | 46 | 51°11° | 7 mph11 km/h SSE · gusts 14 mph22 km/h | 7% | |
| 50°10° | 45°7° | 82% | 30.34 inHg1027 hPa | 494 ft151 m | 1.207 | 46 | 50°10° | 7 mph12 km/h SSE · gusts 15 mph25 km/h | 6% | |
| 50°10° | 44°7° | 81% | 30.34 inHg1027 hPa | 454 ft138 m | 1.209 | 44 | 50°10° | 7 mph11 km/h S · gusts 17 mph27 km/h | 6% |
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.
Raceway Weather Pro
Plan the whole week at Slinger
Pit box, all week
Every forecast hour for the next seven days at Slinger: 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 Slinger, and a heads-up three days out.
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The track
Facts
- Location
- Slinger, Wisconsin
- Layout
- Quarter-mile high-banked oval, World's Fastest Quarter Mile
- Length
- 0.25 mi (0.40 km)
- Surface
- Asphalt
- Banking
- 33°
- Opened
- 1948
- Series
- Super Late Models
- Signature events
- Slinger Nationals
- Time zone
- America/Chicago
- Elevation
- 1,119 ft (341 m)