Current metric weather* for
I-90 Speedway
in Hartford, South Dakota
- temperature = -18.4 deg c
- relative humidity = 58%
- uncorrected barometer* = 973.57 hPa
- corrected barometer* = 1031.83 hPa
- wind speed = 34.38 kph
- wind direction* = NW (313°)
- more info: current imperial | historical | forecast | help
- dew point = 0 deg c
- saturation pressure = 1.443 hPa
- vapor pressure = 0.837 hPa
- grains = 3.7
- air density (w/o water vapor) = 109%
- air density (w water vapor) = 109%
- density altitude = -886.98 m
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Updated January 18, 2020, 8:22 pm
What to expect: Windy for the hour. Windy until tonight. Get 36 hour DA forecast.
Information about I-90 Speedway
address:46052 SD Highway 38 Hartford, South Dakota 57033
- -Hours of daylight: 09:26:13
- -Sunrise: 07:55:40 01/19/20 (12 hours from now)
- -Sunset: 17:21:53 01/19/20 (21 hours from now)
This page provides detailed weather information for racers to track weather at I-90 Speedway. View full list of tracks. Learn more about how to use this site on our FAQ page.
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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