Air Density Online

Marshalltown Speedway in Marshalltown, Iowa
Weather forecast information*

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

Get current weather information for Marshalltown Speedway. Track elevation: 935 ft.

Today: Heavy rain starting tomorrow evening. This week: Heavy rain today through Monday.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Jul 14 3:00 am
  • 69 deg F
  • 79%
  • 28.89 Hg
  • 62 deg F
  • 86.8
  • SE 10 mph
  • 93.05 %
  • 2444 ft.
  • Jul 14 4:00 am
  • 68 deg F
  • 82%
  • 28.89 Hg
  • 62 deg F
  • 87.0
  • SE 9 mph
  • 93.22 %
  • 2383 ft.
  • Jul 14 5:00 am
  • 67 deg F
  • 83%
  • 28.89 Hg
  • 62 deg F
  • 85.1
  • SE 9 mph
  • 93.43 %
  • 2307 ft.
  • Jul 14 6:00 am
  • 66 deg F
  • 84%
  • 28.90 Hg
  • 61 deg F
  • 83.1
  • SE 10 mph
  • 93.70 %
  • 2211 ft.
  • Jul 14 7:00 am
  • 67 deg F
  • 84%
  • 28.90 Hg
  • 62 deg F
  • 86.1
  • SE 10 mph
  • 93.47 %
  • 2295 ft.
  • Jul 14 8:00 am
  • 70 deg F
  • 82%
  • 28.90 Hg
  • 64 deg F
  • 93.3
  • SE 12 mph
  • 92.79 %
  • 2541 ft.
  • Jul 14 9:00 am
  • 74 deg F
  • 80%
  • 28.90 Hg
  • 68 deg F
  • 104.5
  • SE 12 mph
  • 91.85 %
  • 2881 ft.
  • Jul 14 10:00 am
  • 78 deg F
  • 77%
  • 28.91 Hg
  • 70 deg F
  • 115.1
  • SE 12 mph
  • 90.97 %
  • 3205 ft.
  • Jul 14 11:00 am
  • 81 deg F
  • 74%
  • 28.89 Hg
  • 72 deg F
  • 122.3
  • SE 12 mph
  • 90.28 %
  • 3458 ft.
  • Jul 14 12:00 pm
  • 83 deg F
  • 71%
  • 28.87 Hg
  • 73 deg F
  • 125.4
  • S 13 mph
  • 89.82 %
  • 3631 ft.
  • Jul 14 1:00 pm
  • 84 deg F
  • 68%
  • 28.86 Hg
  • 72 deg F
  • 124.0
  • S 14 mph
  • 89.65 %
  • 3692 ft.
  • Jul 14 2:00 pm
  • 86 deg F
  • 67%
  • 28.85 Hg
  • 74 deg F
  • 130.5
  • S 14 mph
  • 89.16 %
  • 3876 ft.
  • Jul 14 3:00 pm
  • 87 deg F
  • 66%
  • 28.84 Hg
  • 74 deg F
  • 132.9
  • SW 14 mph
  • 88.92 %
  • 3964 ft.
  • Jul 14 4:00 pm
  • 87 deg F
  • 67%
  • 28.83 Hg
  • 75 deg F
  • 135.0
  • S 13 mph
  • 88.86 %
  • 3990 ft.
  • Jul 14 5:00 pm
  • 84 deg F
  • 76%
  • 28.84 Hg
  • 76 deg F
  • 139.2
  • SE 12 mph
  • 89.29 %
  • 3828 ft.
  • Jul 14 6:00 pm
  • 82 deg F
  • 79%
  • 28.85 Hg
  • 75 deg F
  • 135.5
  • SE 10 mph
  • 89.70 %
  • 3674 ft.
  • Jul 14 7:00 pm
  • 80 deg F
  • 83%
  • 28.85 Hg
  • 74 deg F
  • 133.3
  • S 9 mph
  • 90.10 %
  • 3524 ft.
  • Jul 14 8:00 pm
  • 77 deg F
  • 85%
  • 28.87 Hg
  • 72 deg F
  • 123.3
  • SE 9 mph
  • 90.84 %
  • 3251 ft.
  • Jul 14 9:00 pm
  • 75 deg F
  • 89%
  • 28.88 Hg
  • 72 deg F
  • 120.7
  • NE 10 mph
  • 91.29 %
  • 3086 ft.
  • Jul 14 10:00 pm
  • 73 deg F
  • 92%
  • 28.90 Hg
  • 71 deg F
  • 116.5
  • NE 11 mph
  • 91.78 %
  • 2909 ft.
  • Jul 14 11:00 pm
  • 71 deg F
  • 93%
  • 28.91 Hg
  • 69 deg F
  • 109.8
  • NE 12 mph
  • 92.31 %
  • 2716 ft.
  • Jul 15 12:00 am
  • 70 deg F
  • 92%
  • 28.93 Hg
  • 68 deg F
  • 104.8
  • NE 13 mph
  • 92.63 %
  • 2598 ft.
  • Jul 15 1:00 am
  • 69 deg F
  • 92%
  • 28.94 Hg
  • 67 deg F
  • 101.2
  • NE 14 mph
  • 92.91 %
  • 2497 ft.
  • Jul 15 2:00 am
  • 69 deg F
  • 93%
  • 28.93 Hg
  • 67 deg F
  • 102.4
  • NE 14 mph
  • 92.86 %
  • 2516 ft.
  • Jul 15 3:00 am
  • 68 deg F
  • 95%
  • 28.91 Hg
  • 67 deg F
  • 101.1
  • NE 14 mph
  • 93.00 %
  • 2462 ft.
  • Jul 15 4:00 am
  • 68 deg F
  • 97%
  • 28.91 Hg
  • 67 deg F
  • 103.3
  • NE 13 mph
  • 92.94 %
  • 2486 ft.
  • Jul 15 5:00 am
  • 67 deg F
  • 99%
  • 28.91 Hg
  • 67 deg F
  • 101.8
  • NE 11 mph
  • 93.17 %
  • 2404 ft.
  • Jul 15 6:00 am
  • 66 deg F
  • 100%
  • 28.93 Hg
  • 66 deg F
  • 99.2
  • SE 9 mph
  • 93.44 %
  • 2304 ft.
  • Jul 15 7:00 am
  • 65 deg F
  • 100%
  • 28.94 Hg
  • 65 deg F
  • 95.7
  • SE 7 mph
  • 93.73 %
  • 2200 ft.
  • Jul 15 8:00 am
  • 66 deg F
  • 100%
  • 28.94 Hg
  • 66 deg F
  • 99.1
  • SE 7 mph
  • 93.49 %
  • 2287 ft.
  • Jul 15 9:00 am
  • 67 deg F
  • 100%
  • 28.94 Hg
  • 67 deg F
  • 102.7
  • E 8 mph
  • 93.24 %
  • 2378 ft.
  • Jul 15 10:00 am
  • 68 deg F
  • 100%
  • 28.94 Hg
  • 68 deg F
  • 106.4
  • NE 9 mph
  • 92.98 %
  • 2469 ft.
  • Jul 15 11:00 am
  • 69 deg F
  • 100%
  • 28.94 Hg
  • 69 deg F
  • 110.2
  • NE 8 mph
  • 92.72 %
  • 2565 ft.
  • Jul 15 12:00 pm
  • 69 deg F
  • 100%
  • 28.94 Hg
  • 69 deg F
  • 110.2
  • NE 8 mph
  • 92.72 %
  • 2565 ft.
  • Jul 15 1:00 pm
  • 71 deg F
  • 99%
  • 28.93 Hg
  • 71 deg F
  • 117.0
  • NW 8 mph
  • 92.21 %
  • 2750 ft.
  • Jul 15 2:00 pm
  • 72 deg F
  • 95%
  • 28.92 Hg
  • 71 deg F
  • 116.2
  • NE 8 mph
  • 92.03 %
  • 2817 ft.
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