Air Density Online

Illinois State Fairgrounds in Springfield, Illinois
Weather forecast information*

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

Get current weather information for Illinois State Fairgrounds. Track elevation: 584 ft.

Today: Possible light rain tomorrow evening. This week: Mixed precipitation tomorrow through next Tuesday.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Apr 07 9:00 pm
  • 71 deg F
  • 75%
  • 29.05 Hg
  • 63 deg F
  • 87.7
  • SW 9 mph
  • 93.20 %
  • 2392 ft.
  • Apr 07 10:00 pm
  • 70 deg F
  • 77%
  • 29.08 Hg
  • 63 deg F
  • 86.9
  • SW 9 mph
  • 93.48 %
  • 2289 ft.
  • Apr 07 11:00 pm
  • 68 deg F
  • 80%
  • 29.07 Hg
  • 62 deg F
  • 84.3
  • W 8 mph
  • 93.88 %
  • 2145 ft.
  • Apr 08 12:00 am
  • 67 deg F
  • 82%
  • 29.07 Hg
  • 61 deg F
  • 83.5
  • SW 9 mph
  • 94.08 %
  • 2075 ft.
  • Apr 08 1:00 am
  • 66 deg F
  • 82%
  • 29.08 Hg
  • 60 deg F
  • 80.6
  • SW 8 mph
  • 94.33 %
  • 1985 ft.
  • Apr 08 2:00 am
  • 65 deg F
  • 84%
  • 29.09 Hg
  • 60 deg F
  • 79.7
  • SW 8 mph
  • 94.57 %
  • 1901 ft.
  • Apr 08 3:00 am
  • 64 deg F
  • 85%
  • 29.08 Hg
  • 59 deg F
  • 77.8
  • NW 7 mph
  • 94.77 %
  • 1829 ft.
  • Apr 08 4:00 am
  • 63 deg F
  • 87%
  • 29.11 Hg
  • 59 deg F
  • 76.8
  • NW 6 mph
  • 95.06 %
  • 1723 ft.
  • Apr 08 5:00 am
  • 61 deg F
  • 89%
  • 29.11 Hg
  • 58 deg F
  • 73.2
  • NW 5 mph
  • 95.50 %
  • 1569 ft.
  • Apr 08 6:00 am
  • 59 deg F
  • 92%
  • 29.09 Hg
  • 57 deg F
  • 70.4
  • N 5 mph
  • 95.88 %
  • 1434 ft.
  • Apr 08 7:00 am
  • 58 deg F
  • 94%
  • 29.10 Hg
  • 56 deg F
  • 69.4
  • NW 4 mph
  • 96.11 %
  • 1350 ft.
  • Apr 08 8:00 am
  • 60 deg F
  • 92%
  • 29.12 Hg
  • 58 deg F
  • 73.0
  • NE 4 mph
  • 95.71 %
  • 1492 ft.
  • Apr 08 9:00 am
  • 63 deg F
  • 88%
  • 29.13 Hg
  • 59 deg F
  • 77.7
  • NE 5 mph
  • 95.10 %
  • 1709 ft.
  • Apr 08 10:00 am
  • 67 deg F
  • 79%
  • 29.13 Hg
  • 60 deg F
  • 80.2
  • SE 5 mph
  • 94.32 %
  • 1990 ft.
  • Apr 08 11:00 am
  • 70 deg F
  • 69%
  • 29.12 Hg
  • 59 deg F
  • 77.6
  • SE 5 mph
  • 93.82 %
  • 2168 ft.
  • Apr 08 12:00 pm
  • 73 deg F
  • 60%
  • 29.13 Hg
  • 58 deg F
  • 74.7
  • SE 5 mph
  • 93.38 %
  • 2326 ft.
  • Apr 08 1:00 pm
  • 77 deg F
  • 50%
  • 29.11 Hg
  • 57 deg F
  • 71.1
  • SW 6 mph
  • 92.68 %
  • 2578 ft.
  • Apr 08 2:00 pm
  • 79 deg F
  • 44%
  • 29.07 Hg
  • 55 deg F
  • 66.9
  • SW 7 mph
  • 92.31 %
  • 2714 ft.
  • Apr 08 3:00 pm
  • 81 deg F
  • 39%
  • 29.02 Hg
  • 54 deg F
  • 63.3
  • SW 9 mph
  • 91.89 %
  • 2868 ft.
  • Apr 08 4:00 pm
  • 81 deg F
  • 39%
  • 29.00 Hg
  • 54 deg F
  • 63.4
  • SW 10 mph
  • 91.81 %
  • 2896 ft.
  • Apr 08 5:00 pm
  • 78 deg F
  • 45%
  • 29.00 Hg
  • 55 deg F
  • 66.3
  • SE 12 mph
  • 92.26 %
  • 2731 ft.
  • Apr 08 6:00 pm
  • 72 deg F
  • 57%
  • 29.01 Hg
  • 56 deg F
  • 68.8
  • NE 13 mph
  • 93.31 %
  • 2352 ft.
  • Apr 08 7:00 pm
  • 67 deg F
  • 66%
  • 29.04 Hg
  • 55 deg F
  • 67.0
  • NW 14 mph
  • 94.32 %
  • 1990 ft.
  • Apr 08 8:00 pm
  • 62 deg F
  • 70%
  • 29.08 Hg
  • 52 deg F
  • 59.5
  • NW 16 mph
  • 95.51 %
  • 1566 ft.
  • Apr 08 9:00 pm
  • 58 deg F
  • 69%
  • 29.12 Hg
  • 48 deg F
  • 50.7
  • NW 17 mph
  • 96.59 %
  • 1183 ft.
  • Apr 08 10:00 pm
  • 54 deg F
  • 68%
  • 29.17 Hg
  • 44 deg F
  • 43.1
  • NW 18 mph
  • 97.66 %
  • 810 ft.
  • Apr 08 11:00 pm
  • 52 deg F
  • 67%
  • 29.20 Hg
  • 41 deg F
  • 39.3
  • NW 17 mph
  • 98.24 %
  • 608 ft.
  • Apr 09 12:00 am
  • 50 deg F
  • 65%
  • 29.23 Hg
  • 39 deg F
  • 35.4
  • NW 16 mph
  • 98.82 %
  • 406 ft.
  • Apr 09 1:00 am
  • 49 deg F
  • 65%
  • 29.26 Hg
  • 38 deg F
  • 34.0
  • NW 14 mph
  • 99.14 %
  • 295 ft.
  • Apr 09 2:00 am
  • 47 deg F
  • 66%
  • 29.28 Hg
  • 36 deg F
  • 32.0
  • NW 14 mph
  • 99.63 %
  • 127 ft.
  • Apr 09 3:00 am
  • 46 deg F
  • 67%
  • 29.28 Hg
  • 36 deg F
  • 31.3
  • NW 14 mph
  • 99.86 %
  • 47 ft.
  • Apr 09 4:00 am
  • 45 deg F
  • 68%
  • 29.28 Hg
  • 35 deg F
  • 30.6
  • NW 14 mph
  • 100.08 %
  • -26 ft.
  • Apr 09 5:00 am
  • 44 deg F
  • 68%
  • 29.31 Hg
  • 34 deg F
  • 29.4
  • NW 13 mph
  • 100.39 %
  • -134 ft.
  • Apr 09 6:00 am
  • 43 deg F
  • 70%
  • 29.33 Hg
  • 34 deg F
  • 29.1
  • NW 12 mph
  • 100.66 %
  • -224 ft.
  • Apr 09 7:00 am
  • 42 deg F
  • 68%
  • 29.34 Hg
  • 32 deg F
  • 27.2
  • NW 12 mph
  • 100.95 %
  • -325 ft.
  • Apr 09 8:00 am
  • 43 deg F
  • 63%
  • 29.35 Hg
  • 31 deg F
  • 26.1
  • NW 14 mph
  • 100.80 %
  • -274 ft.
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