NowOvercastTemperature 70°21°Rain chance 10%Wind 7 mph12 km/hETrack temperature 81°27°
OvercastTemperature 69°21°Rain chance 16%Wind 7 mph11 km/hETrack temperature 75°24°
OvercastTemperature 67°20°Rain chance 34%Wind 7 mph11 km/hETrack temperature 67°20°
Light drizzleTemperature 65°18°Rain chance 45%Wind 7 mph12 km/hETrack temperature 65°18°
Light drizzleTemperature 63°17°Rain chance 40%Wind 5 mph8 km/hETrack temperature 63°17°
OvercastTemperature 62°17°Rain chance 26%Wind 7 mph11 km/hETrack temperature 62°17°
OvercastTemperature 62°17°Rain chance 27%Wind 6 mph9 km/hETrack temperature 62°17°
OvercastTemperature 62°17°Rain chance 28%Wind 4 mph6 km/hESETrack temperature 62°17°
OvercastTemperature 62°17°Rain chance 22%Wind 1 mph2 km/hETrack temperature 62°17°
OvercastTemperature 62°16°Rain chance 25%Wind 4 mph7 km/hESETrack temperature 62°16°
OvercastTemperature 61°16°Rain chance 32%Wind 6 mph10 km/hSETrack temperature 61°16°
OvercastTemperature 61°16°Rain chance 26%Wind 4 mph6 km/hESETrack temperature 61°16°
OvercastTemperature 61°16°Rain chance 30%Wind 4 mph7 km/hESETrack temperature 61°16°
Light drizzleTemperature 61°16°Rain chance 20%Wind 4 mph6 km/hESETrack temperature 61°16°
OvercastTemperature 61°16°Rain chance 20%Wind 5 mph7 km/hESETrack temperature 61°16°
OvercastTemperature 60°16°Rain chance 16%Wind 4 mph7 km/hETrack temperature 60°16°
OvercastTemperature 60°16°Rain chance 13%Wind 4 mph7 km/hETrack temperature 60°16°
OvercastTemperature 61°16°Rain chance 7%Wind 7 mph11 km/hETrack temperature 61°16°
RainTemperature 61°16°Rain chance 10%Wind 5 mph8 km/hESETrack temperature 61°16°
OvercastTemperature 61°16°Rain chance 14%Wind 6 mph10 km/hESETrack temperature 62°17°
OvercastTemperature 62°17°Rain chance 6%Wind 7 mph11 km/hESETrack temperature 63°17°
OvercastTemperature 62°17°Rain chance 4%Wind 5 mph7 km/hSETrack temperature 63°17°
OvercastTemperature 64°18°Rain chance 2%Wind 6 mph9 km/hSETrack temperature 71°22°
OvercastTemperature 65°19°Rain chance 3%Wind 5 mph9 km/hSETrack temperature 77°25°
Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude1,731ft528mField elevation 892 ft
Air density1.164kg/m³95.0% of standard (RAD)
Water grains68grgrains per lb of dry air
Track temp (est.)81°F27°CAsphalt in 264 W/m² sun
Dew point56°F13°C60% humidity
Barometer30.16inHg1021hPaSteady 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 3171°21°61°16° 45%Green flag
TomorrowNov 165°19°60°16° 32%Red flag
MonNov 276°25°60°15° 55%Yellow flag
TueNov 372°22°56°13° 85%Yellow flag
WedNov 471°22°48°9° 22%Green flag
ThuNov 569°21°48°9° 10%Green flag
FriNov 658°15°46°8° 6%Green flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Oct 31
Green flag
Light drizzle
71°21°61°16°
45% 0.03 in0.8 mm
17 mph27 km/h E
87°31°
1,737 ft529 m
7:35 AM · 6:14 PM
Tomorrow Nov 1
Red flagrain
Rain
65°19°60°16°
32% 0.19 in4.7 mm
21 mph34 km/h SE
77°25°
1,476 ft450 m
6:36 AM · 5:13 PM
Mon Nov 2
Yellow flaggusty wind
Overcast
76°25°60°15°
55%
37 mph59 km/h SSE
88°31°
2,514 ft766 m
6:37 AM · 5:12 PM
Tue Nov 3
Yellow flaggusty wind
Light drizzle
72°22°56°13°
85% 0.35 in8.9 mm
43 mph69 km/h SSW
87°31°
2,203 ft671 m
6:38 AM · 5:11 PM
Wed Nov 4
Green flag
Clear
71°22°48°9°
22%
6 mph10 km/h WNW
97°36°
2,013 ft614 m
6:40 AM · 5:10 PM
Thu Nov 5
Green flag
Overcast
69°21°48°9°
10%
19 mph30 km/h NE
95°35°
1,856 ft566 m
6:41 AM · 5:09 PM
Fri Nov 6
Green flag
Overcast
58°15°46°8°
6%
15 mph25 km/h NNW
70°21°
1,205 ft367 m
6:42 AM · 5:08 PM
Flags judge the racing hours, 9 am to 10 pm at the track. Days marked partial are at the edge of the forecast.
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
70°21°
56°13°
60%
30.16 inHg1021 hPa
1,731 ft528 m
1.164
68
81°27°
7 mph12 km/h E
10%
69°21°
57°14°
65%
30.15 inHg1021 hPa
1,696 ft517 m
1.165
71
75°24°
7 mph11 km/h E · gusts 13 mph22 km/h
16%
67°20°
57°14°
69%
30.15 inHg1021 hPa
1,547 ft472 m
1.171
70
67°20°
7 mph11 km/h E · gusts 16 mph26 km/h
34%
65°18°
59°15°
83%
30.16 inHg1022 hPa
1,397 ft426 m
1.176
77
65°18°
7 mph12 km/h E · gusts 16 mph26 km/h
45%
63°17°
59°15°
88%
30.18 inHg1022 hPa
1,277 ft389 m
1.180
77
63°17°
5 mph8 km/h E · gusts 14 mph22 km/h
40%
62°17°
60°16°
93%
30.21 inHg1023 hPa
1,212 ft369 m
1.182
79
62°17°
7 mph11 km/h E · gusts 17 mph27 km/h
26%
62°17°
60°16°
94%
30.22 inHg1023 hPa
1,158 ft353 m
1.184
79
62°17°
6 mph9 km/h E
27%
62°17°
60°16°
94%
30.21 inHg1023 hPa
1,172 ft357 m
1.183
79
62°17°
4 mph6 km/h ESE · gusts 13 mph21 km/h
28%
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 Ozarks
Pit box, all week
Every forecast hour for the next seven days at Ozarks: 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 Ozarks, and a heads-up three days out.
Light drizzleTemperature 65°18°Rain chance 45%Wind 7 mph12 km/hETrack temperature 65°18°
OvercastTemperature 62°17°Rain chance 26%Wind 7 mph11 km/hETrack temperature 62°17°
RainTemperature 61°16°Rain chance 10%Wind 5 mph8 km/hESETrack temperature 61°16°
71°22° 48°9° 22%Green flag