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: Foggy later this evening and tonight. This week: No precipitation throughout the week.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Jan 25 7:00 pm
  • 21 deg F
  • 95%
  • 28.31 Hg
  • 21 deg F
  • 16.8
  • SE 4 mph
  • 101.90 %
  • -646 ft.
  • Jan 25 8:00 pm
  • 22 deg F
  • 93%
  • 28.32 Hg
  • 21 deg F
  • 17.1
  • SE 4 mph
  • 101.72 %
  • -585 ft.
  • Jan 25 9:00 pm
  • 23 deg F
  • 90%
  • 28.33 Hg
  • 22 deg F
  • 17.3
  • S 4 mph
  • 101.53 %
  • -520 ft.
  • Jan 25 10:00 pm
  • 23 deg F
  • 91%
  • 28.33 Hg
  • 22 deg F
  • 17.5
  • SW 4 mph
  • 101.54 %
  • -525 ft.
  • Jan 25 11:00 pm
  • 24 deg F
  • 90%
  • 28.32 Hg
  • 22 deg F
  • 18.0
  • SW 5 mph
  • 101.29 %
  • -439 ft.
  • Jan 26 12:00 am
  • 24 deg F
  • 89%
  • 28.32 Hg
  • 22 deg F
  • 17.8
  • SW 5 mph
  • 101.28 %
  • -438 ft.
  • Jan 26 1:00 am
  • 24 deg F
  • 88%
  • 28.31 Hg
  • 22 deg F
  • 17.6
  • SW 5 mph
  • 101.27 %
  • -432 ft.
  • Jan 26 2:00 am
  • 24 deg F
  • 88%
  • 28.31 Hg
  • 22 deg F
  • 17.6
  • SW 5 mph
  • 101.25 %
  • -426 ft.
  • Jan 26 3:00 am
  • 24 deg F
  • 89%
  • 28.29 Hg
  • 22 deg F
  • 17.8
  • SW 5 mph
  • 101.18 %
  • -404 ft.
  • Jan 26 4:00 am
  • 23 deg F
  • 90%
  • 28.28 Hg
  • 22 deg F
  • 17.3
  • SW 6 mph
  • 101.38 %
  • -469 ft.
  • Jan 26 5:00 am
  • 23 deg F
  • 90%
  • 28.28 Hg
  • 22 deg F
  • 17.3
  • SW 6 mph
  • 101.36 %
  • -462 ft.
  • Jan 26 6:00 am
  • 23 deg F
  • 90%
  • 28.27 Hg
  • 22 deg F
  • 17.3
  • SW 6 mph
  • 101.33 %
  • -452 ft.
  • Jan 26 7:00 am
  • 22 deg F
  • 89%
  • 28.27 Hg
  • 20 deg F
  • 16.4
  • SW 6 mph
  • 101.57 %
  • -534 ft.
  • Jan 26 8:00 am
  • 22 deg F
  • 89%
  • 28.27 Hg
  • 20 deg F
  • 16.4
  • NW 6 mph
  • 101.57 %
  • -534 ft.
  • Jan 26 9:00 am
  • 22 deg F
  • 89%
  • 28.27 Hg
  • 20 deg F
  • 16.4
  • SW 6 mph
  • 101.57 %
  • -534 ft.
  • Jan 26 10:00 am
  • 23 deg F
  • 91%
  • 28.29 Hg
  • 22 deg F
  • 17.5
  • NW 7 mph
  • 101.39 %
  • -474 ft.
  • Jan 26 11:00 am
  • 26 deg F
  • 90%
  • 28.29 Hg
  • 24 deg F
  • 19.6
  • SW 7 mph
  • 100.72 %
  • -245 ft.
  • Jan 26 12:00 pm
  • 27 deg F
  • 90%
  • 28.29 Hg
  • 25 deg F
  • 20.5
  • NW 8 mph
  • 100.48 %
  • -164 ft.
  • Jan 26 1:00 pm
  • 30 deg F
  • 88%
  • 28.28 Hg
  • 27 deg F
  • 22.6
  • SW 8 mph
  • 99.81 %
  • 67 ft.
  • Jan 26 2:00 pm
  • 31 deg F
  • 85%
  • 28.28 Hg
  • 27 deg F
  • 22.8
  • NW 8 mph
  • 99.58 %
  • 144 ft.
  • Jan 26 3:00 pm
  • 32 deg F
  • 85%
  • 28.28 Hg
  • 28 deg F
  • 23.7
  • NW 8 mph
  • 99.36 %
  • 221 ft.
  • Jan 26 4:00 pm
  • 31 deg F
  • 87%
  • 28.28 Hg
  • 28 deg F
  • 23.3
  • NW 8 mph
  • 99.56 %
  • 152 ft.
  • Jan 26 5:00 pm
  • 30 deg F
  • 89%
  • 28.28 Hg
  • 28 deg F
  • 22.9
  • NW 8 mph
  • 99.77 %
  • 79 ft.
  • Jan 26 6:00 pm
  • 28 deg F
  • 91%
  • 28.28 Hg
  • 26 deg F
  • 21.6
  • NW 8 mph
  • 100.22 %
  • -75 ft.
  • Jan 26 7:00 pm
  • 27 deg F
  • 92%
  • 28.29 Hg
  • 26 deg F
  • 20.9
  • NW 9 mph
  • 100.48 %
  • -164 ft.
  • Jan 26 8:00 pm
  • 26 deg F
  • 94%
  • 28.30 Hg
  • 25 deg F
  • 20.5
  • NW 9 mph
  • 100.74 %
  • -251 ft.
  • Jan 26 9:00 pm
  • 26 deg F
  • 96%
  • 28.31 Hg
  • 26 deg F
  • 20.9
  • NW 9 mph
  • 100.78 %
  • -265 ft.
  • Jan 26 10:00 pm
  • 26 deg F
  • 94%
  • 28.33 Hg
  • 25 deg F
  • 20.5
  • NW 9 mph
  • 100.83 %
  • -282 ft.
  • Jan 26 11:00 pm
  • 26 deg F
  • 93%
  • 28.33 Hg
  • 25 deg F
  • 20.2
  • NW 8 mph
  • 100.86 %
  • -294 ft.
  • Jan 27 12:00 am
  • 27 deg F
  • 90%
  • 28.34 Hg
  • 25 deg F
  • 20.4
  • NW 8 mph
  • 100.68 %
  • -232 ft.
  • Jan 27 1:00 am
  • 27 deg F
  • 88%
  • 28.36 Hg
  • 25 deg F
  • 20.0
  • NW 8 mph
  • 100.74 %
  • -253 ft.
  • Jan 27 2:00 am
  • 28 deg F
  • 87%
  • 28.37 Hg
  • 25 deg F
  • 20.5
  • NW 8 mph
  • 100.58 %
  • -198 ft.
  • Jan 27 3:00 am
  • 27 deg F
  • 87%
  • 28.38 Hg
  • 24 deg F
  • 19.7
  • NW 8 mph
  • 100.83 %
  • -285 ft.
  • Jan 27 4:00 am
  • 26 deg F
  • 88%
  • 28.39 Hg
  • 24 deg F
  • 19.1
  • NW 8 mph
  • 101.10 %
  • -373 ft.
  • Jan 27 5:00 am
  • 24 deg F
  • 89%
  • 28.40 Hg
  • 22 deg F
  • 17.8
  • NW 8 mph
  • 101.57 %
  • -536 ft.
  • Jan 27 6:00 am
  • 23 deg F
  • 90%
  • 28.41 Hg
  • 22 deg F
  • 17.2
  • NW 7 mph
  • 101.84 %
  • -625 ft.
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