Air Density Online

Current weather* for

I-90 Speedway

Share: share this page on Facebook share this page on Twitter share this page on LinkedIn share this page on Reddit

in Hartford, South Dakota

  • temperature = 63.74 deg f
  • relative humidity = 85 %
  • uncorrected barometer* = 28.32 inHg
  • corrected barometer* = 30.02 inHg
  • wind speed = 11.43 mph
  • wind direction* = SE (134°)
  • more info: current metric | historical | forecast | help
  • dew point = 59 deg f
  • saturation pressure = 0.595 inHg
  • vapor pressure = 0.506 inHg
  • grains = 79.2
  • air density (w/o water vapor) = 94%
  • air density (w water vapor) = 92%
  • density altitude = 2718.38 ft

Try out ProCalc online jetting software
or get tuning assistance with ProTune

Powered by Dark Sky
Updated August 24, 2019, 11:25 pm

What to expect: Possible drizzle starting in < 1 min., stopping 45 min. later. Light rain tomorrow morning and afternoon. Get 36 hour DA forecast.

Information about I-90 Speedway
address:46052 SD Highway 38 Hartford, South Dakota 57033

  • -track elevation: 1613 ft
  • -track lat, long: 43.6356, -96.9974
  • -online: website | facebook
  • -Hours of daylight: 13:31:01
  • -Sunrise: 06:44:26 am 08/25/19
  • -Sunset: 08:15:27 pm 08/24/19
 

This page provides detailed information for engine tuners to track weather at I-90 Speedway. Temperature, humidity, barometer, and weather alerts are obtained from Dark Sky. Weather sources come from nwspa, cmc, gfs, hrrr, icon, isd, madis, nam, sref, darksky, nearest-precip. Learn more about data sources here.

Please note that basic weather data used here is obtained from third party weather providers. As a result, the weather information provided cannot be guaranteed by airdensityonline.com. Airdensityonline.com is not a representative of any third party weather providers.

Temperature, humidity,
and barometer values
courtesy of Dark Sky

sunrise-sunset.org

Sunrise/sunset
data obtained from
sunrise-sunset.org

sunrise-sunset.org

Airdensityonline.com is
hosted on Dreamhost


Supporters

© 2019