NowOvercastTemperature 71°21°Rain chance 6%Wind 7 mph12 km/hSETrack temperature 80°27°
OvercastTemperature 70°21°Rain chance 4%Wind 6 mph10 km/hESETrack temperature 74°23°
OvercastTemperature 66°19°Rain chance 4%Wind 6 mph9 km/hETrack temperature 66°19°
OvercastTemperature 64°18°Rain chance 7%Wind 6 mph9 km/hETrack temperature 64°18°
OvercastTemperature 63°17°Rain chance 7%Wind 4 mph7 km/hESETrack temperature 63°17°
OvercastTemperature 62°17°Rain chance 8%Wind 5 mph9 km/hSETrack temperature 62°17°
OvercastTemperature 61°16°Rain chance 8%Wind 4 mph7 km/hSSETrack temperature 61°16°
OvercastTemperature 60°16°Rain chance 7%Wind 4 mph6 km/hESETrack temperature 60°16°
OvercastTemperature 60°16°Rain chance 7%Wind 4 mph7 km/hESETrack temperature 60°16°
OvercastTemperature 60°16°Rain chance 7%Wind 6 mph9 km/hSSETrack temperature 60°16°
OvercastTemperature 59°15°Rain chance 8%Wind 6 mph9 km/hSETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 12%Wind 5 mph8 km/hSSETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 14%Wind 5 mph8 km/hSSETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 18%Wind 5 mph7 km/hENETrack temperature 59°15°
OvercastTemperature 58°15°Rain chance 22%Wind 3 mph4 km/hETrack temperature 58°15°
OvercastTemperature 58°15°Rain chance 25%Wind 6 mph9 km/hESETrack temperature 58°15°
OvercastTemperature 58°15°Rain chance 27%Wind 5 mph7 km/hSETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 25%Wind 5 mph9 km/hSETrack temperature 60°15°
OvercastTemperature 59°15°Rain chance 32%Wind 7 mph12 km/hSSETrack temperature 60°15°
Light drizzleTemperature 58°15°Rain chance 30%Wind 7 mph11 km/hSETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 30%Wind 6 mph9 km/hESETrack temperature 60°16°
OvercastTemperature 59°15°Rain chance 25%Wind 5 mph8 km/hSETrack temperature 61°16°
OvercastTemperature 60°15°Rain chance 18%Wind 4 mph6 km/hETrack temperature 61°16°
DrizzleTemperature 59°15°Rain chance 14%Wind 4 mph6 km/hSETrack temperature 60°16°
Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude1,371ft418mField elevation 722 ft
Air density1.177kg/m³96.1% of standard (RAD)
Water grains40grgrains per lb of dry air
Track temp (est.)80°F27°CDirt in 281 W/m² sun
Dew point42°F6°C36% humidity
Barometer30.24inHg1024hPaFalling 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 3171°21°55°13° 10%Green flag
TomorrowNov 160°16°56°14° 32%Green flag
MonNov 264°18°54°12° 8%Yellow flag
TueNov 370°21°60°16° 60%Red flag
WedNov 467°19°55°13° 52%Green flag
ThuNov 563°17°50°10° 20%Green flag
FriNov 656°13°53°12° 16%Green flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Oct 31
Green flag
Overcast
71°21°55°13°
10%
19 mph31 km/h E
86°30°
1,371 ft418 m
7:21 AM · 5:54 PM
Tomorrow Nov 1
Green flag
Drizzle
60°16°56°14°
32% 0.04 in1.1 mm
19 mph31 km/h SE
61°16°
705 ft215 m
6:23 AM · 4:53 PM
Mon Nov 2
Yellow flaggusty wind
Overcast
64°18°54°12°
8%
39 mph63 km/h SSE
64°18°
1,314 ft401 m
6:24 AM · 4:52 PM
Tue Nov 3
Red flagrain, gusty wind
Heavy drizzle
70°21°60°16°
60% 0.22 in5.6 mm
46 mph73 km/h S
74°23°
1,919 ft585 m
6:25 AM · 4:50 PM
Wed Nov 4
Green flag
Overcast
67°19°55°13°
52% 0.11 in2.9 mm
19 mph30 km/h WSW
80°27°
1,594 ft486 m
6:26 AM · 4:49 PM
Thu Nov 5
Green flag
Overcast
63°17°50°10°
20%
14 mph22 km/h N
80°27°
1,304 ft397 m
6:27 AM · 4:48 PM
Fri Nov 6
Green flag
Overcast
56°13°53°12°
16%
14 mph22 km/h N
59°15°
886 ft270 m
6:28 AM · 4:47 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
71°21°
42°6°
36%
30.24 inHg1024 hPa
1,371 ft418 m
1.177
40
80°27°
7 mph12 km/h SE
6%
70°21°
39°4°
33%
30.27 inHg1025 hPa
1,277 ft389 m
1.180
36
74°23°
6 mph10 km/h ESE
4%
66°19°
39°4°
37%
30.30 inHg1026 hPa
1,019 ft311 m
1.189
36
66°19°
6 mph9 km/h E
4%
64°18°
41°5°
43%
30.31 inHg1026 hPa
887 ft270 m
1.194
38
64°18°
6 mph9 km/h E
7%
63°17°
42°5°
46%
30.32 inHg1027 hPa
789 ft240 m
1.197
39
63°17°
4 mph7 km/h ESE
7%
62°17°
41°5°
47%
30.31 inHg1026 hPa
735 ft224 m
1.199
39
62°17°
5 mph9 km/h SE · gusts 13 mph20 km/h
8%
61°16°
41°5°
48%
30.32 inHg1027 hPa
681 ft208 m
1.201
39
61°16°
4 mph7 km/h SSE · gusts 11 mph18 km/h
8%
60°16°
42°5°
50%
30.30 inHg1026 hPa
656 ft200 m
1.202
39
60°16°
4 mph6 km/h ESE
7%
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 Farmer City
Pit box, all week
Every forecast hour for the next seven days at Farmer City: 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 Farmer City, and a heads-up three days out.
OvercastTemperature 66°19°Rain chance 4%Wind 6 mph9 km/hETrack temperature 66°19°
Light drizzleTemperature 58°15°Rain chance 30%Wind 7 mph11 km/hSETrack temperature 59°15°