Air Density Online

Southern Illinois Raceway in Marion, Illinois
Weather forecast information*

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

Get current weather information for Southern Illinois Raceway. Track elevation: 486 ft.

Today: Clear throughout the day. This week: Mixed precipitation on Monday and Tuesday.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Jan 20 12:00 am
  • 19 deg F
  • 74%
  • 29.87 Hg
  • 15 deg F
  • 11.3
  • NW 17 mph
  • 108.12 %
  • -2696 ft.
  • Jan 20 1:00 am
  • 18 deg F
  • 74%
  • 29.87 Hg
  • 14 deg F
  • 10.9
  • NW 16 mph
  • 108.33 %
  • -2766 ft.
  • Jan 20 2:00 am
  • 17 deg F
  • 74%
  • 29.89 Hg
  • 13 deg F
  • 10.4
  • NW 16 mph
  • 108.64 %
  • -2864 ft.
  • Jan 20 3:00 am
  • 16 deg F
  • 74%
  • 29.91 Hg
  • 12 deg F
  • 10.0
  • NW 15 mph
  • 108.95 %
  • -2964 ft.
  • Jan 20 4:00 am
  • 15 deg F
  • 73%
  • 29.92 Hg
  • 11 deg F
  • 9.4
  • NW 14 mph
  • 109.26 %
  • -3063 ft.
  • Jan 20 5:00 am
  • 14 deg F
  • 73%
  • 29.94 Hg
  • 11 deg F
  • 9.0
  • NW 14 mph
  • 109.57 %
  • -3163 ft.
  • Jan 20 6:00 am
  • 13 deg F
  • 71%
  • 29.96 Hg
  • 10 deg F
  • 8.4
  • NW 13 mph
  • 109.89 %
  • -3266 ft.
  • Jan 20 7:00 am
  • 12 deg F
  • 70%
  • 30.00 Hg
  • 9 deg F
  • 7.9
  • NW 13 mph
  • 110.26 %
  • -3381 ft.
  • Jan 20 8:00 am
  • 13 deg F
  • 68%
  • 30.02 Hg
  • 9 deg F
  • 8.0
  • N 14 mph
  • 110.09 %
  • -3330 ft.
  • Jan 20 9:00 am
  • 14 deg F
  • 62%
  • 30.03 Hg
  • 8 deg F
  • 7.6
  • N 14 mph
  • 109.94 %
  • -3279 ft.
  • Jan 20 10:00 am
  • 16 deg F
  • 56%
  • 30.04 Hg
  • 8 deg F
  • 7.5
  • N 14 mph
  • 109.50 %
  • -3140 ft.
  • Jan 20 11:00 am
  • 19 deg F
  • 50%
  • 30.04 Hg
  • 8 deg F
  • 7.6
  • N 13 mph
  • 108.81 %
  • -2919 ft.
  • Jan 20 12:00 pm
  • 21 deg F
  • 46%
  • 30.02 Hg
  • 8 deg F
  • 7.6
  • N 13 mph
  • 108.29 %
  • -2753 ft.
  • Jan 20 1:00 pm
  • 22 deg F
  • 44%
  • 30.00 Hg
  • 8 deg F
  • 7.6
  • N 13 mph
  • 107.99 %
  • -2657 ft.
  • Jan 20 2:00 pm
  • 24 deg F
  • 41%
  • 29.99 Hg
  • 9 deg F
  • 7.7
  • N 13 mph
  • 107.49 %
  • -2495 ft.
  • Jan 20 3:00 pm
  • 25 deg F
  • 40%
  • 29.98 Hg
  • 9 deg F
  • 7.9
  • N 13 mph
  • 107.26 %
  • -2418 ft.
  • Jan 20 4:00 pm
  • 24 deg F
  • 42%
  • 29.99 Hg
  • 9 deg F
  • 7.9
  • N 11 mph
  • 107.51 %
  • -2500 ft.
  • Jan 20 5:00 pm
  • 23 deg F
  • 45%
  • 30.00 Hg
  • 9 deg F
  • 8.1
  • NW 10 mph
  • 107.77 %
  • -2584 ft.
  • Jan 20 6:00 pm
  • 21 deg F
  • 48%
  • 30.02 Hg
  • 9 deg F
  • 8.0
  • NW 9 mph
  • 108.27 %
  • -2747 ft.
  • Jan 20 7:00 pm
  • 19 deg F
  • 51%
  • 30.03 Hg
  • 9 deg F
  • 7.8
  • NW 9 mph
  • 108.76 %
  • -2904 ft.
  • Jan 20 8:00 pm
  • 18 deg F
  • 53%
  • 30.03 Hg
  • 9 deg F
  • 7.7
  • NW 10 mph
  • 109.00 %
  • -2981 ft.
  • Jan 20 9:00 pm
  • 17 deg F
  • 55%
  • 30.03 Hg
  • 9 deg F
  • 7.7
  • N 10 mph
  • 109.22 %
  • -3051 ft.
  • Jan 20 10:00 pm
  • 16 deg F
  • 57%
  • 30.02 Hg
  • 8 deg F
  • 7.6
  • N 10 mph
  • 109.44 %
  • -3122 ft.
  • Jan 20 11:00 pm
  • 16 deg F
  • 59%
  • 30.02 Hg
  • 9 deg F
  • 7.9
  • NW 9 mph
  • 109.41 %
  • -3113 ft.
  • Jan 21 12:00 am
  • 15 deg F
  • 61%
  • 30.01 Hg
  • 9 deg F
  • 7.8
  • NW 9 mph
  • 109.62 %
  • -3180 ft.
  • Jan 21 1:00 am
  • 14 deg F
  • 63%
  • 30.00 Hg
  • 9 deg F
  • 7.7
  • NW 8 mph
  • 109.82 %
  • -3241 ft.
  • Jan 21 2:00 am
  • 13 deg F
  • 64%
  • 30.00 Hg
  • 8 deg F
  • 7.5
  • NW 8 mph
  • 110.04 %
  • -3313 ft.
  • Jan 21 3:00 am
  • 12 deg F
  • 66%
  • 30.00 Hg
  • 8 deg F
  • 7.4
  • N 8 mph
  • 110.27 %
  • -3385 ft.
  • Jan 21 4:00 am
  • 11 deg F
  • 67%
  • 30.00 Hg
  • 8 deg F
  • 7.2
  • N 8 mph
  • 110.53 %
  • -3468 ft.
  • Jan 21 5:00 am
  • 11 deg F
  • 69%
  • 30.01 Hg
  • 8 deg F
  • 7.4
  • N 7 mph
  • 110.54 %
  • -3473 ft.
  • Jan 21 6:00 am
  • 11 deg F
  • 68%
  • 30.02 Hg
  • 8 deg F
  • 7.3
  • N 7 mph
  • 110.58 %
  • -3484 ft.
  • Jan 21 7:00 am
  • 12 deg F
  • 68%
  • 30.03 Hg
  • 8 deg F
  • 7.6
  • NE 6 mph
  • 110.38 %
  • -3421 ft.
  • Jan 21 8:00 am
  • 13 deg F
  • 66%
  • 30.04 Hg
  • 9 deg F
  • 7.7
  • NE 6 mph
  • 110.20 %
  • -3362 ft.
  • Jan 21 9:00 am
  • 16 deg F
  • 60%
  • 30.05 Hg
  • 9 deg F
  • 8.0
  • NE 7 mph
  • 109.54 %
  • -3152 ft.
  • Jan 21 10:00 am
  • 19 deg F
  • 54%
  • 30.06 Hg
  • 10 deg F
  • 8.2
  • NE 7 mph
  • 108.86 %
  • -2934 ft.
  • Jan 21 11:00 am
  • 22 deg F
  • 46%
  • 30.05 Hg
  • 9 deg F
  • 8.0
  • NE 7 mph
  • 108.16 %
  • -2712 ft.
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