NowOvercastTemperature 75°24°Rain chance 5%Wind 11 mph18 km/hENETrack temperature 78°25°
OvercastTemperature 72°22°Rain chance 5%Wind 9 mph15 km/hENETrack temperature 72°22°
OvercastTemperature 72°22°Rain chance 3%Wind 11 mph18 km/hENETrack temperature 72°22°
OvercastTemperature 70°21°Rain chance 3%Wind 13 mph20 km/hENETrack temperature 70°21°
OvercastTemperature 69°21°Rain chance 4%Wind 12 mph20 km/hENETrack temperature 69°21°
OvercastTemperature 68°20°Rain chance 1%Wind 10 mph16 km/hETrack temperature 68°20°
OvercastTemperature 68°20°Rain chance 2%Wind 11 mph17 km/hENETrack temperature 68°20°
OvercastTemperature 67°19°Rain chance 2%Wind 10 mph17 km/hENETrack temperature 67°19°
OvercastTemperature 67°19°Rain chance 3%Wind 9 mph15 km/hENETrack temperature 67°19°
OvercastTemperature 66°19°Rain chance 6%Wind 8 mph13 km/hENETrack temperature 66°19°
OvercastTemperature 66°19°Rain chance 6%Wind 9 mph15 km/hENETrack temperature 66°19°
OvercastTemperature 65°19°Rain chance 5%Wind 10 mph15 km/hENETrack temperature 65°19°
OvercastTemperature 65°18°Rain chance 3%Wind 10 mph16 km/hENETrack temperature 65°18°
OvercastTemperature 64°18°Rain chance 4%Wind 10 mph16 km/hNETrack temperature 64°18°
OvercastTemperature 64°18°Rain chance 8%Wind 8 mph12 km/hNETrack temperature 64°18°
OvercastTemperature 65°18°Rain chance 8%Wind 9 mph15 km/hENETrack temperature 67°19°
OvercastTemperature 67°20°Rain chance 7%Wind 11 mph18 km/hENETrack temperature 73°23°
OvercastTemperature 69°20°Rain chance 8%Wind 11 mph17 km/hENETrack temperature 72°22°
OvercastTemperature 72°22°Rain chance 6%Wind 12 mph20 km/hENETrack temperature 85°29°
OvercastTemperature 75°24°Rain chance 6%Wind 13 mph22 km/hETrack temperature 91°33°
OvercastTemperature 76°25°Rain chance 14%Wind 14 mph22 km/hETrack temperature 90°32°
OvercastTemperature 78°26°Rain chance 24%Wind 13 mph21 km/hENETrack temperature 92°33°
OvercastTemperature 78°26°Rain chance 28%Wind 14 mph22 km/hENETrack temperature 92°33°
OvercastTemperature 77°25°Rain chance 22%Wind 13 mph20 km/hENETrack temperature 84°29°
Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude1,271ft387mField elevation 249 ft
Air density1.180kg/m³96.3% of standard (RAD)
Water grains82grgrains per lb of dry air
Track temp (est.)78°F25°CDirt in 90 W/m² sun
Dew point62°F16°C63% humidity
Barometer30.19inHg1022hPaSteady over 3 h
SurfaceDryDry, likely dusty: little rain in 48 h
Rain, last 48 h0.0in0mmat the track
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 3180°27°64°18° 7%Yellow flag
TomorrowNov 178°26°64°18° 30%Red flag
MonNov 279°26°63°17° 25%Yellow flag
TueNov 374°23°66°19° 8%Red flag
WedNov 480°27°68°20° 38%Red flag
ThuNov 578°25°68°20° 23%Green flag
FriNov 681°27°67°20° 11%Green flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Oct 31
Yellow flaggusty wind
Overcast
80°27°64°18°
7%
29 mph47 km/h ENE
96°35°
1,585 ft483 m
7:48 AM · 6:47 PM
Tomorrow Nov 1
Red flagrain
Rain
78°26°64°18°
30% 0.2 in5 mm
30 mph48 km/h ENE
92°33°
1,485 ft453 m
6:49 AM · 5:46 PM
Mon Nov 2
Yellow flaggusty wind
Light drizzle
79°26°63°17°
25% 0.01 in0.2 mm
30 mph48 km/h ENE
96°35°
1,614 ft492 m
6:49 AM · 5:45 PM
Tue Nov 3
Red flagrain, gusty wind
Heavy drizzle
74°23°66°19°
8% 0.23 in5.8 mm
30 mph48 km/h ENE
80°27°
1,429 ft436 m
6:50 AM · 5:44 PM
Wed Nov 4
Red flaglightning possible, rain
Thunderstorm
80°27°68°20°
38% 0.74 in18.9 mm
26 mph42 km/h ESE
93°34°
2,015 ft614 m
6:51 AM · 5:44 PM
Thu Nov 5
Green flag
Overcast
78°25°68°20°
23% 0.07 in1.7 mm
11 mph18 km/h NW
93°34°
1,915 ft584 m
6:52 AM · 5:43 PM
Fri Nov 6
Green flag
Partly cloudy
81°27°67°20°
11%
11 mph17 km/h NW
101°39°
2,131 ft650 m
6:53 AM · 5:42 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 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
75°24°
62°16°
63%
30.19 inHg1022 hPa
1,271 ft387 m
1.180
82
78°25°
11 mph18 km/h ENE · gusts 23 mph36 km/h
5%
72°22°
62°17°
71%
30.22 inHg1023 hPa
1,070 ft326 m
1.187
84
72°22°
9 mph15 km/h ENE · gusts 23 mph37 km/h
5%
72°22°
63°17°
74%
30.23 inHg1024 hPa
1,020 ft311 m
1.189
85
72°22°
11 mph18 km/h ENE · gusts 26 mph42 km/h
3%
70°21°
64°18°
83%
30.24 inHg1024 hPa
886 ft270 m
1.194
90
70°21°
13 mph20 km/h ENE · gusts 29 mph47 km/h
3%
69°21°
64°18°
85%
30.23 inHg1024 hPa
853 ft260 m
1.195
90
69°21°
12 mph20 km/h ENE · gusts 29 mph46 km/h
4%
68°20°
64°18°
85%
30.25 inHg1024 hPa
797 ft243 m
1.197
88
68°20°
10 mph16 km/h E · gusts 28 mph45 km/h
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.
Raceway Weather Pro
Plan the whole week at Needmore
Pit box, all week
Every forecast hour for the next seven days at Needmore: 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 Needmore, and a heads-up three days out.
OvercastTemperature 72°22°Rain chance 5%Wind 9 mph15 km/hENETrack temperature 72°22°
78°26° 64°18° 30%Red flag
79°26° 63°17° 25%Yellow flag
80°27° 68°20° 38%Red flag
81°27° 67°20° 11%Green flagpartial