NowClearTemperature 50°10°Rain chance 0%Wind 5 mph8 km/hWNWTrack temperature 55°13°
ClearTemperature 45°7°Rain chance 0%Wind 5 mph8 km/hWSWTrack temperature 45°7°
ClearTemperature 42°6°Rain chance 0%Wind 4 mph7 km/hWNWTrack temperature 42°6°
ClearTemperature 40°5°Rain chance 0%Wind 2 mph3 km/hNNWTrack temperature 40°5°
ClearTemperature 39°4°Rain chance 0%Wind 2 mph3 km/hNTrack temperature 39°4°
ClearTemperature 38°4°Rain chance 0%Wind 1 mph2 km/hWSWTrack temperature 38°4°
ClearTemperature 38°3°Rain chance 0%Wind 0 mph1 km/hSSETrack temperature 38°3°
ClearTemperature 37°3°Rain chance 0%Wind 1 mph2 km/hESETrack temperature 37°3°
ClearTemperature 36°2°Rain chance 0%Wind 0 mph1 km/hENETrack temperature 36°2°
ClearTemperature 35°2°Rain chance 0%Wind 1 mph2 km/hETrack temperature 35°2°
ClearTemperature 34°1°Rain chance 0%Wind 2 mph4 km/hSETrack temperature 34°1°
ClearTemperature 33°1°Rain chance 0%Wind 2 mph3 km/hSETrack temperature 33°1°
ClearTemperature 33°1°Rain chance 0%Wind 1 mph2 km/hESETrack temperature 33°1°
ClearTemperature 33°1°Rain chance 0%Wind 2 mph3 km/hETrack temperature 33°1°
ClearTemperature 33°0°Rain chance 0%Wind 3 mph4 km/hETrack temperature 33°0°
ClearTemperature 33°0°Rain chance 0%Wind 5 mph8 km/hETrack temperature 33°1°
ClearTemperature 38°3°Rain chance 0%Wind 3 mph5 km/hETrack temperature 43°6°
ClearTemperature 44°6°Rain chance 0%Wind 0 mph1 km/hSWTrack temperature 57°14°
ClearTemperature 47°9°Rain chance 0%Wind 4 mph7 km/hWNWTrack temperature 64°18°
ClearTemperature 50°10°Rain chance 0%Wind 5 mph8 km/hWTrack temperature 69°20°
ClearTemperature 52°11°Rain chance 1%Wind 5 mph8 km/hWNWTrack temperature 72°22°
ClearTemperature 54°12°Rain chance 1%Wind 5 mph9 km/hWNWTrack temperature 73°23°
ClearTemperature 56°13°Rain chance 1%Wind 5 mph8 km/hWTrack temperature 71°22°
ClearTemperature 56°13°Rain chance 2%Wind 5 mph7 km/hWTrack temperature 67°20°
Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude-306ft-93mField elevation 600 ft
Air density1.236kg/m³100.9% of standard (RAD)
Water grains23grgrains per lb of dry air
Track temp (est.)55°F13°CDirt in 141 W/m² sun
Dew point29°F-2°C44% humidity
Barometer30.37inHg1028hPaSteady 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 3151°10°34°1° 0%Yellow flag
TomorrowNov 156°13°33°0° 3%Green flag
MonNov 261°16°43°6° 3%Green flag
TueNov 362°17°45°7° 3%Green flag
WedNov 468°20°48°9° 5%Green flag
ThuNov 564°18°55°13° 27%Yellow flag
FriNov 661°16°58°14° 45%Green flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Oct 31
Yellow flagcold
Clear
51°10°34°1°
0%
22 mph35 km/h NW
68°20°
-210 ft-64 m
7:25 AM · 5:50 PM
Tomorrow Nov 1
Green flag
Clear
56°13°33°0°
3%
13 mph22 km/h NW
73°23°
56 ft17 m
6:26 AM · 4:48 PM
Mon Nov 2
Green flag
Overcast
61°16°43°6°
3%
7 mph12 km/h SE
79°26°
536 ft163 m
6:27 AM · 4:47 PM
Tue Nov 3
Green flag
Overcast
62°17°45°7°
3%
7 mph12 km/h SSE
77°25°
692 ft211 m
6:28 AM · 4:46 PM
Wed Nov 4
Green flag
Overcast
68°20°48°9°
5%
22 mph36 km/h SSE
81°27°
1,251 ft381 m
6:30 AM · 4:45 PM
Thu Nov 5
Yellow flaggusty wind
Light drizzle
64°18°55°13°
27% 0.08 in2.1 mm
30 mph49 km/h S
73°23°
1,245 ft379 m
6:31 AM · 4:43 PM
Fri Nov 6
Green flag
Drizzle
61°16°58°14°
45% 0.31 in8 mm
24 mph39 km/h NE
64°18°
1,050 ft320 m
6:32 AM · 4:42 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 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°
29°-2°
44%
30.37 inHg1028 hPa
-306 ft-93 m
1.236
23
55°13°
5 mph8 km/h WNW · gusts 12 mph20 km/h
0%
45°7°
27°-3°
49%
30.41 inHg1030 hPa
-684 ft-208 m
1.250
21
45°7°
5 mph8 km/h WSW
0%
42°6°
26°-3°
54%
30.43 inHg1031 hPa
-895 ft-273 m
1.257
21
42°6°
4 mph7 km/h WNW
0%
40°5°
26°-3°
56%
30.46 inHg1032 hPa
-1,029 ft-314 m
1.262
21
40°5°
2 mph3 km/h NNW
0%
39°4°
26°-3°
59%
30.46 inHg1031 hPa
-1,109 ft-338 m
1.265
21
39°4°
2 mph3 km/h N
0%
38°4°
26°-3°
61%
30.46 inHg1032 hPa
-1,175 ft-358 m
1.268
21
38°4°
1 mph2 km/h WSW
0%
38°3°
26°-3°
62%
30.46 inHg1032 hPa
-1,209 ft-369 m
1.269
21
38°3°
0 mph1 km/h SSE
0%
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 Lebanon Valley
Pit box, all week
Every forecast hour for the next seven days at Lebanon Valley: 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 Lebanon Valley, and a heads-up three days out.
ClearTemperature 45°7°Rain chance 0%Wind 5 mph8 km/hWSWTrack temperature 45°7°
61°16° 43°6° 3%Green flag
64°18° 55°13° 27%Yellow flag