Track temp (est.)66°F19°CAsphalt/concrete in 482 W/m² sun
Dew point36°F2°C49% humidity
Barometer29.90inHg1013hPaFalling over 3 h
Wind on the strip—The strip’s direction is not mapped
Computed from the forecast air temperature, dew point and station pressure (NWS formulas; the correction factor by SAE J1349 and the older 60 °F STD standard). 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
TodayNov 856°13°35°2° 1%Yellow flag
TomorrowNov 949°9°40°5° 1%Green flag
TueNov 1061°16°39°4° 0%Yellow flag
WedNov 1159°15°42°6° 28%Green flag
ThuNov 1248°9°39°4° 75%Red flag
FriNov 1339°4°35°2° 56%Red flag
SatNov 1439°4°30°-1° 34%Yellow flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Nov 8
Yellow flaggusty wind
Clear
56°13°35°2°
1%
34 mph55 km/h WSW
66°19°
1,281 ft390 m
7:06 AM · 5:17 PM
Tomorrow Nov 9
Green flag
Overcast
49°9°40°5°
1%
25 mph40 km/h WNW
61°16°
619 ft189 m
7:07 AM · 5:16 PM
Tue Nov 10
Yellow flaggusty wind
Clear
61°16°39°4°
0%
31 mph50 km/h WSW
75°24°
1,573 ft479 m
7:09 AM · 5:15 PM
Wed Nov 11
Green flag
Overcast
59°15°42°6°
28% 0.02 in0.5 mm
18 mph28 km/h SSW
71°21°
1,564 ft477 m
7:10 AM · 5:14 PM
Thu Nov 12
Red flag68% chance of rain
Showers
48°9°39°4°
75% 1.87 in47.6 mm
37 mph59 km/h NE
49°10°
1,317 ft401 m
7:11 AM · 5:13 PM
Fri Nov 13
Red flagsnow, 47% chance of showers
Snow showers
39°4°35°2°
56% 0.56 in14.2 mm
34 mph54 km/h NNW
40°5°
530 ft162 m
7:12 AM · 5:13 PM
Sat Nov 14
Yellow flaggusty wind, cold
Fog
39°4°30°-1°
34% 0.1 in2.5 mm
28 mph46 km/h WNW
47°8°
309 ft94 m
7:13 AM · 5:12 PM
Flags judge the racing hours: 9 am to 10 pm at the track for a drag strip. National Weather Service alerts raise them. Days marked partial are at the edge of the forecast. How the flags work
Today’s remaining 10 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
54°12°
36°2°
49%
29.90 inHg1013 hPa
1,189 ft362 m
1.183
32
66°19°
19 mph31 km/h SW · gusts 34 mph55 km/h
0%
55°13°
37°3°
49%
29.88 inHg1012 hPa
1,281 ft390 m
1.180
33
65°18°
18 mph29 km/h WSW · gusts 31 mph50 km/h
0%
56°13°
38°3°
52%
29.90 inHg1012 hPa
1,281 ft390 m
1.180
35
61°16°
15 mph25 km/h WSW · gusts 30 mph48 km/h
0%
53°11°
38°3°
57%
29.91 inHg1013 hPa
1,075 ft328 m
1.187
35
54°12°
11 mph18 km/h WSW · gusts 21 mph33 km/h
0%
50°10°
37°3°
60%
29.91 inHg1013 hPa
894 ft272 m
1.193
33
50°10°
11 mph17 km/h WSW · gusts 18 mph29 km/h
0%
48°9°
38°3°
66%
29.91 inHg1013 hPa
805 ft245 m
1.196
34
48°9°
11 mph18 km/h W · gusts 19 mph31 km/h
0%
47°8°
38°3°
71%
29.92 inHg1013 hPa
698 ft213 m
1.200
35
47°8°
10 mph16 km/h W · gusts 18 mph28 km/h
0%
46°8°
38°3°
75%
29.93 inHg1014 hPa
616 ft188 m
1.203
35
46°8°
10 mph17 km/h W · gusts 18 mph29 km/h
0%
45°7°
39°4°
78%
29.95 inHg1014 hPa
561 ft171 m
1.205
36
45°7°
11 mph18 km/h W · gusts 19 mph30 km/h
0%
44°7°
38°3°
78%
29.93 inHg1014 hPa
514 ft157 m
1.207
35
44°7°
10 mph17 km/h W · gusts 18 mph29 km/h
0%
Every hour from the forecast, the same arithmetic as the pit box above (NWS density-altitude formula; track temperature is an estimate). Hours are track time.
Raceway Weather Pro
Plan the whole week at Dragway 42
Pit box, all week
Every forecast hour for the next seven days at Dragway 42: 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 Dragway 42, and a heads-up three days out.
Typical for November here: highs around 50°10°, lows 35°2°, rain on 30% of days.
Month by month
Average highs and lows, rain days, gusty days, freezing and hot days for all twelve months at Dragway 42, from 5 years of records. Part of Raceway Weather Pro.
ClearTemperature 50°10°Rain chance 0%Wind 11 mph17 km/hWSWTrack temperature 50°10°Density altitude 894 ft272 m
OvercastTemperature 42°6°Rain chance 0%Wind 10 mph16 km/hWNWTrack temperature 42°6°Density altitude 349 ft106 m
OvercastTemperature 42°6°Rain chance 0%Wind 11 mph18 km/hWNWTrack temperature 43°6°Density altitude 236 ft72 m
Partly cloudyTemperature 48°9°Rain chance 1%Wind 12 mph19 km/hNWTrack temperature 60°16°Density altitude 544 ft166 m
48°9° 39°4° 75%Red flag
39°4° 35°2° 56%Red flag
39°4° 30°-1° 34%Yellow flagpartial