Current weather* for
I-90 Speedway
in Hartford, South Dakota
- temperature = 11.97 deg f
- relative humidity = 81 %
- uncorrected barometer* = 28.35 inHg
- corrected barometer* = 30.05 inHg
- wind speed = 12.1 mph
- wind direction* = NW (324°)
- more info: current metric | historical | forecast | help
- dew point = 11 deg f
- saturation pressure = 0.077 inHg
- vapor pressure = 0.063 inHg
- grains = 9.6
- air density (w/o water vapor) = 104%
- air density (w water vapor) = 104%
- density altitude = -1403.85 ft
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Updated December 14, 2019, 1:04 am
What to expect: Mostly cloudy for the hour. Partly cloudy throughout the day. Get 36 hour DA forecast.
Information about I-90 Speedway
address:46052 SD Highway 38 Hartford, South Dakota 57033
- -Hours of daylight: 08:57:45
- -Sunrise: 07:53:59 am 12/14/19
- -Sunset: 04:51:44 pm 12/14/19
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
data obtained from
sunrise-sunset.org
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