Current weather* for
I-90 Speedway
in Hartford, South Dakota
- temperature = 55.94 deg f
- relative humidity = 68 %
- uncorrected barometer* = 28.60 inHg
- corrected barometer* = 30.32 inHg
- wind speed = 5.06 mph
- wind direction* = SW (252°)
- more info: current metric | historical | forecast | help
- dew point = 45 deg f
- saturation pressure = 0.451 inHg
- vapor pressure = 0.307 inHg
- grains = 47.2
- air density (w/o water vapor) = 96%
- air density (w water vapor) = 95%
- density altitude = 1633.87 ft
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Updated June 27, 2022, 7:28 am
What to expect: Clear for the hour. Clear throughout the day. Get 36 hour DA forecast.
Information about I-90 Speedway
track address:46052 SD Highway 38 Hartford, South Dakota 57033
track type: 3/8 mile dirt oval
- -Hours of daylight: 15:28:29
- -Sunrise: 05:46:53 am 06/27/22 (2 hours ago)
- -Sunset: 09:15:22 pm 06/26/22 (10 hours ago)
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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