Air Density Online

I-90 Speedway in Hartford, South Dakota
Weather forecast information*

Note: This section is considered experimental*. All weather data comes from Darksky.net.

Get current weather information for I-90 Speedway. Track elevation: 1613 ft.

Today: Snow (2–4 in.) until tomorrow afternoon. This week: Snow (2–5 in.) today.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Oct 25 2:00 am
  • 24 deg F
  • 94%
  • 28.64 Hg
  • 23 deg F
  • 18.6
  • NE 11 mph
  • 102.39 %
  • -811 ft.
  • Oct 25 3:00 am
  • 24 deg F
  • 94%
  • 28.63 Hg
  • 23 deg F
  • 18.6
  • NE 11 mph
  • 102.38 %
  • -808 ft.
  • Oct 25 4:00 am
  • 24 deg F
  • 94%
  • 28.63 Hg
  • 23 deg F
  • 18.6
  • NE 12 mph
  • 102.38 %
  • -808 ft.
  • Oct 25 5:00 am
  • 24 deg F
  • 95%
  • 28.64 Hg
  • 24 deg F
  • 18.8
  • NE 11 mph
  • 102.39 %
  • -810 ft.
  • Oct 25 6:00 am
  • 23 deg F
  • 96%
  • 28.65 Hg
  • 23 deg F
  • 18.2
  • NE 11 mph
  • 102.66 %
  • -903 ft.
  • Oct 25 7:00 am
  • 23 deg F
  • 97%
  • 28.66 Hg
  • 23 deg F
  • 18.4
  • NE 11 mph
  • 102.70 %
  • -914 ft.
  • Oct 25 8:00 am
  • 23 deg F
  • 100%
  • 28.67 Hg
  • 24 deg F
  • 19.0
  • NE 11 mph
  • 102.74 %
  • -927 ft.
  • Oct 25 9:00 am
  • 23 deg F
  • 100%
  • 28.68 Hg
  • 24 deg F
  • 19.0
  • NE 11 mph
  • 102.77 %
  • -937 ft.
  • Oct 25 10:00 am
  • 24 deg F
  • 100%
  • 28.69 Hg
  • 25 deg F
  • 19.8
  • NE 12 mph
  • 102.57 %
  • -873 ft.
  • Oct 25 11:00 am
  • 26 deg F
  • 98%
  • 28.69 Hg
  • 26 deg F
  • 21.1
  • NE 12 mph
  • 102.12 %
  • -720 ft.
  • Oct 25 12:00 pm
  • 27 deg F
  • 94%
  • 28.70 Hg
  • 26 deg F
  • 21.1
  • NE 13 mph
  • 101.92 %
  • -653 ft.
  • Oct 25 1:00 pm
  • 27 deg F
  • 91%
  • 28.70 Hg
  • 25 deg F
  • 20.4
  • NE 13 mph
  • 101.94 %
  • -658 ft.
  • Oct 25 2:00 pm
  • 27 deg F
  • 91%
  • 28.71 Hg
  • 25 deg F
  • 20.4
  • NE 13 mph
  • 101.98 %
  • -672 ft.
  • Oct 25 3:00 pm
  • 26 deg F
  • 92%
  • 28.70 Hg
  • 25 deg F
  • 19.8
  • NE 13 mph
  • 102.19 %
  • -744 ft.
  • Oct 25 4:00 pm
  • 25 deg F
  • 93%
  • 28.71 Hg
  • 24 deg F
  • 19.2
  • NE 13 mph
  • 102.43 %
  • -823 ft.
  • Oct 25 5:00 pm
  • 25 deg F
  • 91%
  • 28.72 Hg
  • 24 deg F
  • 18.7
  • N 13 mph
  • 102.49 %
  • -843 ft.
  • Oct 25 6:00 pm
  • 24 deg F
  • 90%
  • 28.74 Hg
  • 22 deg F
  • 17.8
  • NW 12 mph
  • 102.78 %
  • -942 ft.
  • Oct 25 7:00 pm
  • 22 deg F
  • 91%
  • 28.76 Hg
  • 21 deg F
  • 16.5
  • NW 12 mph
  • 103.33 %
  • -1125 ft.
  • Oct 25 8:00 pm
  • 21 deg F
  • 89%
  • 28.79 Hg
  • 20 deg F
  • 15.4
  • NW 12 mph
  • 103.65 %
  • -1232 ft.
  • Oct 25 9:00 pm
  • 19 deg F
  • 87%
  • 28.80 Hg
  • 18 deg F
  • 13.9
  • NW 11 mph
  • 104.16 %
  • -1402 ft.
  • Oct 25 10:00 pm
  • 18 deg F
  • 86%
  • 28.82 Hg
  • 17 deg F
  • 13.1
  • NW 11 mph
  • 104.47 %
  • -1503 ft.
  • Oct 25 11:00 pm
  • 17 deg F
  • 87%
  • 28.82 Hg
  • 16 deg F
  • 12.7
  • NW 11 mph
  • 104.69 %
  • -1579 ft.
  • Oct 26 12:00 am
  • 16 deg F
  • 87%
  • 28.81 Hg
  • 15 deg F
  • 12.2
  • NW 12 mph
  • 104.92 %
  • -1653 ft.
  • Oct 26 1:00 am
  • 15 deg F
  • 87%
  • 28.82 Hg
  • 14 deg F
  • 11.6
  • NW 11 mph
  • 105.17 %
  • -1736 ft.
  • Oct 26 2:00 am
  • 15 deg F
  • 86%
  • 28.82 Hg
  • 14 deg F
  • 11.5
  • NW 11 mph
  • 105.19 %
  • -1744 ft.
  • Oct 26 3:00 am
  • 14 deg F
  • 85%
  • 28.84 Hg
  • 13 deg F
  • 10.9
  • NW 10 mph
  • 105.48 %
  • -1839 ft.
  • Oct 26 4:00 am
  • 13 deg F
  • 83%
  • 28.84 Hg
  • 12 deg F
  • 10.2
  • NW 9 mph
  • 105.74 %
  • -1925 ft.
  • Oct 26 5:00 am
  • 13 deg F
  • 82%
  • 28.85 Hg
  • 12 deg F
  • 10.0
  • NW 9 mph
  • 105.78 %
  • -1936 ft.
  • Oct 26 6:00 am
  • 12 deg F
  • 81%
  • 28.86 Hg
  • 11 deg F
  • 9.5
  • NW 9 mph
  • 106.05 %
  • -2024 ft.
  • Oct 26 7:00 am
  • 11 deg F
  • 83%
  • 28.86 Hg
  • 11 deg F
  • 9.3
  • NW 9 mph
  • 106.29 %
  • -2102 ft.
  • Oct 26 8:00 am
  • 11 deg F
  • 89%
  • 28.86 Hg
  • 12 deg F
  • 10.0
  • NW 9 mph
  • 106.25 %
  • -2090 ft.
  • Oct 26 9:00 am
  • 12 deg F
  • 90%
  • 28.87 Hg
  • 13 deg F
  • 10.5
  • NW 9 mph
  • 106.06 %
  • -2029 ft.
  • Oct 26 10:00 am
  • 14 deg F
  • 88%
  • 28.89 Hg
  • 14 deg F
  • 11.2
  • NW 9 mph
  • 105.67 %
  • -1900 ft.
  • Oct 26 11:00 am
  • 16 deg F
  • 84%
  • 28.89 Hg
  • 15 deg F
  • 11.7
  • NW 9 mph
  • 105.19 %
  • -1743 ft.
  • Oct 26 12:00 pm
  • 19 deg F
  • 81%
  • 28.87 Hg
  • 16 deg F
  • 12.9
  • NW 8 mph
  • 104.45 %
  • -1500 ft.
  • Oct 26 1:00 pm
  • 22 deg F
  • 76%
  • 28.86 Hg
  • 17 deg F
  • 13.7
  • NW 8 mph
  • 103.72 %
  • -1257 ft.
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