Air Density Online

Rockford Speedway in Rockford, Illinois
Weather forecast information*

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

Get current weather information for Rockford Speedway. Track elevation: 751 ft.

Today: Rain (with a chance of 1–4 in. of snow) tomorrow morning and afternoon. This week: Mixed precipitation today through Thursday.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Dec 09 1:00 am
  • 31 deg F
  • 88%
  • 29.45 Hg
  • 28 deg F
  • 22.6
  • NE 11 mph
  • 103.70 %
  • -1250 ft.
  • Dec 09 2:00 am
  • 32 deg F
  • 87%
  • 29.44 Hg
  • 29 deg F
  • 23.3
  • E 12 mph
  • 103.45 %
  • -1164 ft.
  • Dec 09 3:00 am
  • 32 deg F
  • 87%
  • 29.41 Hg
  • 29 deg F
  • 23.3
  • E 12 mph
  • 103.35 %
  • -1134 ft.
  • Dec 09 4:00 am
  • 32 deg F
  • 89%
  • 29.40 Hg
  • 29 deg F
  • 23.9
  • E 14 mph
  • 103.28 %
  • -1109 ft.
  • Dec 09 5:00 am
  • 33 deg F
  • 92%
  • 29.38 Hg
  • 31 deg F
  • 25.8
  • NE 15 mph
  • 102.96 %
  • -1001 ft.
  • Dec 09 6:00 am
  • 33 deg F
  • 95%
  • 29.37 Hg
  • 32 deg F
  • 26.6
  • E 15 mph
  • 102.90 %
  • -981 ft.
  • Dec 09 7:00 am
  • 33 deg F
  • 98%
  • 29.37 Hg
  • 33 deg F
  • 27.4
  • NE 15 mph
  • 102.89 %
  • -977 ft.
  • Dec 09 8:00 am
  • 33 deg F
  • 98%
  • 29.38 Hg
  • 33 deg F
  • 27.4
  • NE 15 mph
  • 102.92 %
  • -988 ft.
  • Dec 09 9:00 am
  • 32 deg F
  • 98%
  • 29.38 Hg
  • 32 deg F
  • 26.3
  • NE 15 mph
  • 103.15 %
  • -1066 ft.
  • Dec 09 10:00 am
  • 33 deg F
  • 98%
  • 29.38 Hg
  • 33 deg F
  • 27.4
  • NE 15 mph
  • 102.94 %
  • -994 ft.
  • Dec 09 11:00 am
  • 32 deg F
  • 98%
  • 29.38 Hg
  • 32 deg F
  • 26.3
  • NE 15 mph
  • 103.15 %
  • -1066 ft.
  • Dec 09 12:00 pm
  • 32 deg F
  • 99%
  • 29.36 Hg
  • 32 deg F
  • 26.6
  • NE 15 mph
  • 103.09 %
  • -1047 ft.
  • Dec 09 1:00 pm
  • 32 deg F
  • 100%
  • 29.36 Hg
  • 32 deg F
  • 26.9
  • NE 15 mph
  • 103.07 %
  • -1038 ft.
  • Dec 09 2:00 pm
  • 33 deg F
  • 100%
  • 29.36 Hg
  • 33 deg F
  • 28.0
  • NE 13 mph
  • 102.85 %
  • -966 ft.
  • Dec 09 3:00 pm
  • 33 deg F
  • 99%
  • 29.37 Hg
  • 33 deg F
  • 27.7
  • NE 12 mph
  • 102.89 %
  • -979 ft.
  • Dec 09 4:00 pm
  • 34 deg F
  • 95%
  • 29.39 Hg
  • 33 deg F
  • 27.7
  • NE 12 mph
  • 102.76 %
  • -936 ft.
  • Dec 09 5:00 pm
  • 34 deg F
  • 93%
  • 29.41 Hg
  • 32 deg F
  • 27.1
  • NE 13 mph
  • 102.84 %
  • -961 ft.
  • Dec 09 6:00 pm
  • 34 deg F
  • 94%
  • 29.42 Hg
  • 33 deg F
  • 27.4
  • NE 12 mph
  • 102.86 %
  • -969 ft.
  • Dec 09 7:00 pm
  • 34 deg F
  • 94%
  • 29.43 Hg
  • 33 deg F
  • 27.3
  • NE 12 mph
  • 102.91 %
  • -986 ft.
  • Dec 09 8:00 pm
  • 34 deg F
  • 94%
  • 29.44 Hg
  • 33 deg F
  • 27.3
  • NE 11 mph
  • 102.92 %
  • -989 ft.
  • Dec 09 9:00 pm
  • 34 deg F
  • 95%
  • 29.43 Hg
  • 33 deg F
  • 27.6
  • NE 10 mph
  • 102.89 %
  • -980 ft.
  • Dec 09 10:00 pm
  • 34 deg F
  • 95%
  • 29.44 Hg
  • 33 deg F
  • 27.6
  • NE 9 mph
  • 102.92 %
  • -990 ft.
  • Dec 09 11:00 pm
  • 34 deg F
  • 95%
  • 29.44 Hg
  • 33 deg F
  • 27.6
  • NE 9 mph
  • 102.91 %
  • -987 ft.
  • Dec 10 12:00 am
  • 34 deg F
  • 95%
  • 29.44 Hg
  • 33 deg F
  • 27.6
  • NE 8 mph
  • 102.91 %
  • -987 ft.
  • Dec 10 1:00 am
  • 34 deg F
  • 93%
  • 29.43 Hg
  • 32 deg F
  • 27.1
  • NE 8 mph
  • 102.91 %
  • -985 ft.
  • Dec 10 2:00 am
  • 34 deg F
  • 92%
  • 29.43 Hg
  • 32 deg F
  • 26.8
  • NE 8 mph
  • 102.92 %
  • -987 ft.
  • Dec 10 3:00 am
  • 34 deg F
  • 93%
  • 29.44 Hg
  • 32 deg F
  • 27.0
  • NE 7 mph
  • 102.94 %
  • -995 ft.
  • Dec 10 4:00 am
  • 34 deg F
  • 94%
  • 29.44 Hg
  • 33 deg F
  • 27.3
  • NE 7 mph
  • 102.92 %
  • -989 ft.
  • Dec 10 5:00 am
  • 34 deg F
  • 95%
  • 29.44 Hg
  • 33 deg F
  • 27.6
  • NE 7 mph
  • 102.91 %
  • -987 ft.
  • Dec 10 6:00 am
  • 34 deg F
  • 95%
  • 29.43 Hg
  • 33 deg F
  • 27.6
  • E 7 mph
  • 102.88 %
  • -977 ft.
  • Dec 10 7:00 am
  • 34 deg F
  • 96%
  • 29.43 Hg
  • 33 deg F
  • 27.9
  • E 8 mph
  • 102.87 %
  • -971 ft.
  • Dec 10 8:00 am
  • 34 deg F
  • 96%
  • 29.43 Hg
  • 33 deg F
  • 27.9
  • SE 8 mph
  • 102.87 %
  • -971 ft.
  • Dec 10 9:00 am
  • 34 deg F
  • 96%
  • 29.43 Hg
  • 33 deg F
  • 27.9
  • SE 8 mph
  • 102.89 %
  • -978 ft.
  • Dec 10 10:00 am
  • 35 deg F
  • 94%
  • 29.43 Hg
  • 33 deg F
  • 28.5
  • SE 7 mph
  • 102.66 %
  • -901 ft.
  • Dec 10 11:00 am
  • 35 deg F
  • 93%
  • 29.41 Hg
  • 33 deg F
  • 28.2
  • SE 8 mph
  • 102.60 %
  • -883 ft.
  • Dec 10 12:00 pm
  • 37 deg F
  • 94%
  • 29.39 Hg
  • 35 deg F
  • 30.9
  • SE 7 mph
  • 102.04 %
  • -692 ft.
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