Air Density Online

Current weather* for

I-90 Speedway

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in Hartford, South Dakota

  • temperature = 9.56 deg f
  • relative humidity = 74 %
  • uncorrected barometer* = 28.69 inHg
  • corrected barometer* = 30.41 inHg
  • wind speed = 7.46 mph
  • wind direction* = SW (191°)
  • more info: current metric | historical | forecast | help
  • dew point = 8 deg f
  • saturation pressure = 0.069 inHg
  • vapor pressure = 0.051 inHg
  • grains = 7.8
  • air density (w/o water vapor) = 106%
  • air density (w water vapor) = 106%
  • density altitude = -2005.21 ft

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Updated October 27, 2020, 5:04 am

What to expect: Clear for the hour. Clear throughout the day. 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: 10:25:47
  • -Sunrise: 07:58:52 am 10/27/20 (3 hours from now)
  • -Sunset: 06:24:39 pm 10/27/20 (13 hours from now)
 

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

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