NowOvercastTemperature 50°10°Rain chance 1%Wind 4 mph6 km/hETrack temperature 52°11°
OvercastTemperature 51°11°Rain chance 5%Wind 3 mph5 km/hESETrack temperature 53°12°
OvercastTemperature 51°10°Rain chance 3%Wind 5 mph8 km/hETrack temperature 51°10°
OvercastTemperature 51°10°Rain chance 1%Wind 5 mph9 km/hESETrack temperature 51°10°
OvercastTemperature 51°10°Rain chance 1%Wind 5 mph8 km/hESETrack temperature 51°10°
OvercastTemperature 51°11°Rain chance 1%Wind 5 mph8 km/hESETrack temperature 51°11°
OvercastTemperature 51°11°Rain chance 1%Wind 4 mph7 km/hESETrack temperature 51°11°
OvercastTemperature 51°11°Rain chance 1%Wind 4 mph7 km/hESETrack temperature 51°11°
OvercastTemperature 52°11°Rain chance 2%Wind 6 mph9 km/hESETrack temperature 52°11°
FogTemperature 53°11°Rain chance 1%Wind 7 mph12 km/hSETrack temperature 53°11°
OvercastTemperature 53°12°Rain chance 1%Wind 7 mph12 km/hSETrack temperature 53°12°
OvercastTemperature 52°11°Rain chance 2%Wind 6 mph10 km/hESETrack temperature 52°11°
OvercastTemperature 50°10°Rain chance 2%Wind 6 mph10 km/hSETrack temperature 50°10°
OvercastTemperature 49°9°Rain chance 2%Wind 7 mph10 km/hSETrack temperature 49°9°
OvercastTemperature 48°9°Rain chance 2%Wind 7 mph11 km/hSETrack temperature 48°9°
OvercastTemperature 49°9°Rain chance 2%Wind 4 mph7 km/hSETrack temperature 49°9°
OvercastTemperature 50°10°Rain chance 2%Wind 6 mph9 km/hESETrack temperature 50°10°
OvercastTemperature 50°10°Rain chance 2%Wind 6 mph10 km/hSETrack temperature 50°10°
FogTemperature 51°11°Rain chance 2%Wind 6 mph9 km/hSSETrack temperature 52°11°
FogTemperature 52°11°Rain chance 2%Wind 7 mph11 km/hSSETrack temperature 54°12°
OvercastTemperature 54°12°Rain chance 1%Wind 8 mph13 km/hSSETrack temperature 56°13°
OvercastTemperature 55°13°Rain chance 1%Wind 8 mph12 km/hSSETrack temperature 58°14°
OvercastTemperature 56°14°Rain chance 1%Wind 8 mph12 km/hSSETrack temperature 60°16°
OvercastTemperature 57°14°Rain chance 1%Wind 7 mph11 km/hSTrack temperature 61°16°
Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude1,543ft470mField elevation 1,637 ft
Air density1.171kg/m³95.6% of standard (RAD)
Water grains54grgrains per lb of dry air
Track temp (est.)52°F11°CDirt in 50 W/m² sun
Dew point49°F9°C95% humidity
Barometer30.00inHg1016hPaFalling 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°11°38°4° 5%Green flag
TomorrowNov 157°14°48°9° 17%Green flag
MonNov 255°13°44°7° 93%Red flag
TueNov 348°9°37°3° 41%Yellow flag
WedNov 456°13°43°6° 6%Green flag
ThuNov 558°15°43°6° 3%Green flag
FriNov 662°17°45°7° 3%Green flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Oct 31
Green flag
Fog
51°11°38°4°
5%
16 mph26 km/h ESE
53°12°
1,573 ft479 m
8:22 AM · 6:31 PM
Tomorrow Nov 1
Green flag
Fog
57°14°48°9°
17%
17 mph28 km/h SE
61°16°
2,068 ft630 m
7:24 AM · 5:29 PM
Mon Nov 2
Red flagrain
Rain
55°13°44°7°
93% 0.69 in17.6 mm
40 mph65 km/h N
55°13°
2,362 ft720 m
7:25 AM · 5:28 PM
Tue Nov 3
Yellow flaggusty wind
Drizzle
48°9°37°3°
41% 0.11 in2.7 mm
38 mph61 km/h NW
48°9°
1,687 ft514 m
7:27 AM · 5:26 PM
Wed Nov 4
Green flag
Overcast
56°13°43°6°
6%
29 mph47 km/h NW
69°20°
1,920 ft585 m
7:28 AM · 5:25 PM
Thu Nov 5
Green flag
Overcast
58°15°43°6°
3%
23 mph37 km/h S
69°21°
2,010 ft613 m
7:30 AM · 5:23 PM
Fri Nov 6
Green flag
Partly cloudy
62°17°45°7°
3%
20 mph33 km/h SSW
75°24°
2,497 ft761 m
7:31 AM · 5:22 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
50°10°
49°9°
95%
30.00 inHg1016 hPa
1,543 ft470 m
1.171
54
52°11°
4 mph6 km/h E
1%
51°11°
49°10°
94%
30.02 inHg1017 hPa
1,573 ft479 m
1.170
55
53°12°
3 mph5 km/h ESE
5%
51°10°
49°10°
95%
30.01 inHg1016 hPa
1,545 ft471 m
1.171
55
51°10°
5 mph8 km/h E
3%
51°10°
49°9°
94%
30.03 inHg1017 hPa
1,516 ft462 m
1.172
54
51°10°
5 mph9 km/h ESE
1%
51°10°
49°10°
95%
30.02 inHg1017 hPa
1,548 ft472 m
1.171
55
51°10°
5 mph8 km/h ESE
1%
51°11°
49°10°
94%
30.02 inHg1017 hPa
1,569 ft478 m
1.170
55
51°11°
5 mph8 km/h ESE
1%
51°11°
49°10°
94%
30.03 inHg1017 hPa
1,561 ft476 m
1.170
55
51°11°
4 mph7 km/h ESE
1%
51°11°
50°10°
95%
30.03 inHg1017 hPa
1,576 ft480 m
1.169
56
51°11°
4 mph7 km/h ESE
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 Mandan
Pit box, all week
Every forecast hour for the next seven days at Mandan: 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 Mandan, and a heads-up three days out.
OvercastTemperature 51°10°Rain chance 1%Wind 5 mph9 km/hESETrack temperature 51°10°
FogTemperature 53°11°Rain chance 1%Wind 7 mph12 km/hSETrack temperature 53°11°
55°13° 44°7° 93%Red flag
48°9° 37°3° 41%Yellow flag
62°17° 45°7° 3%Green flagpartial