ENGINEERING TRACK TESTING
Weather & Rail Temperature Monitoring
Weather station CHICAGO
Chicago Weather station
Measurement History
  |
Conditions for past 24 hours (since 09/17/2025 10:32 AM)
| Time | Track 5 E rail | Track 5 W rail | Track 4 E rail | Track 4 W rail | Outside Air Temperature |
Solar Radiation |
Max. Wind | Humidity | Air Pressure | Rain | |
| Speed | Dir | ||||||||||
| 09/18/2025 10:15 AM | 84 °F | 84 °F | 86 °F | 85 °F | 72.6 °F | 386 watt/m2 | 3 mph | SSE | 80 % | 30.114 in Hg | 0 in |
| 09/18/2025 10:00 AM | 81 °F | 80 °F | 83 °F | 81 °F | 70.4 °F | 346 watt/m2 | 2 mph | N | 85 % | 30.113 in Hg | 0 in |
| 09/18/2025 09:45 AM | 78 °F | 78 °F | 80 °F | 80 °F | 68.6 °F | 149 watt/m2 | 3 mph | N | 87 % | 30.107 in Hg | 0 in |
| 09/18/2025 09:30 AM | 75 °F | 75 °F | 77 °F | 76 °F | 68.1 °F | 57 watt/m2 | 1 mph | N | 89 % | 30.108 in Hg | 0 in |
| 09/18/2025 09:15 AM | 71 °F | 71 °F | 73 °F | 72 °F | 67.5 °F | 54 watt/m2 | 2 mph | N | 90 % | 30.11 in Hg | 0 in |
| 09/18/2025 09:00 AM | 68 °F | 68 °F | 70 °F | 69 °F | 67.1 °F | 36 watt/m2 | 0 mph | --- | 90 % | 30.108 in Hg | 0 in |
| 09/18/2025 08:45 AM | 65 °F | 65 °F | 68 °F | 66 °F | 66.6 °F | 32 watt/m2 | 0 mph | --- | 90 % | 30.11 in Hg | 0 in |
| 09/18/2025 08:30 AM | 64 °F | 63 °F | 65 °F | 64 °F | 66.3 °F | 28 watt/m2 | 1 mph | N | 90 % | 30.11 in Hg | 0 in |
| 09/18/2025 08:15 AM | 64 °F | 62 °F | 63 °F | 61 °F | 66.1 °F | 19 watt/m2 | 0 mph | --- | 90 % | 30.109 in Hg | 0 in |
| 09/18/2025 08:00 AM | 63 °F | 62 °F | 63 °F | 61 °F | 65.9 °F | 12 watt/m2 | 0 mph | --- | 90 % | 30.102 in Hg | 0 in |
| 09/18/2025 07:45 AM | 63 °F | 62 °F | 63 °F | 61 °F | 65.7 °F | 3 watt/m2 | 0 mph | --- | 90 % | 30.095 in Hg | 0 in |
| 09/18/2025 07:30 AM | 63 °F | 62 °F | 63 °F | 61 °F | 65.6 °F | 0 watt/m2 | 1 mph | N | 90 % | 30.09 in Hg | 0 in |
| 09/18/2025 07:15 AM | 63 °F | 62 °F | 63 °F | 61 °F | 65.5 °F | 0 watt/m2 | 0 mph | --- | 89 % | 30.086 in Hg | 0 in |
| 09/18/2025 07:00 AM | 63 °F | 61 °F | 63 °F | 61 °F | 65.5 °F | 0 watt/m2 | 0 mph | --- | 89 % | 30.09 in Hg | 0 in |
| 09/18/2025 06:45 AM | 63 °F | 62 °F | 63 °F | 61 °F | 65.4 °F | 0 watt/m2 | 0 mph | --- | 89 % | 30.094 in Hg | 0 in |
| 09/18/2025 06:30 AM | 63 °F | 62 °F | 63 °F | 61 °F | 65.2 °F | 0 watt/m2 | 0 mph | --- | 88 % | 30.092 in Hg | 0 in |
| 09/18/2025 06:15 AM | 63 °F | 62 °F | 63 °F | 61 °F | 65.4 °F | 0 watt/m2 | 0 mph | --- | 88 % | 30.085 in Hg | 0 in |
| 09/18/2025 06:00 AM | 64 °F | 62 °F | 64 °F | 62 °F | 65.9 °F | 0 watt/m2 | 0 mph | --- | 88 % | 30.087 in Hg | 0 in |
| 09/18/2025 05:45 AM | 64 °F | 63 °F | 64 °F | 62 °F | 65.9 °F | 0 watt/m2 | 0 mph | --- | 88 % | 30.092 in Hg | 0 in |
| 09/18/2025 05:30 AM | 64 °F | 63 °F | 64 °F | 62 °F | 66 °F | 0 watt/m2 | 0 mph | --- | 88 % | 30.087 in Hg | 0 in |
| 09/18/2025 05:15 AM | 65 °F | 63 °F | 65 °F | 63 °F | 66.3 °F | 0 watt/m2 | 0 mph | --- | 87 % | 30.085 in Hg | 0 in |
| 09/18/2025 05:00 AM | 65 °F | 63 °F | 65 °F | 63 °F | 66.7 °F | 0 watt/m2 | 0 mph | --- | 87 % | 30.086 in Hg | 0 in |
| 09/18/2025 04:45 AM | 65 °F | 63 °F | 65 °F | 63 °F | 66.8 °F | 0 watt/m2 | 0 mph | --- | 87 % | 30.089 in Hg | 0 in |
| 09/18/2025 04:30 AM | 65 °F | 64 °F | 65 °F | 63 °F | 67.1 °F | 0 watt/m2 | 0 mph | --- | 87 % | 30.084 in Hg | 0 in |
| 09/18/2025 04:15 AM | 65 °F | 64 °F | 65 °F | 63 °F | 67.5 °F | 0 watt/m2 | 0 mph | --- | 86 % | 30.09 in Hg | 0 in |
| 09/18/2025 04:00 AM | 65 °F | 64 °F | 66 °F | 64 °F | 67.8 °F | 0 watt/m2 | 1 mph | N | 87 % | 30.089 in Hg | 0 in |
| 09/18/2025 03:45 AM | 65 °F | 64 °F | 66 °F | 64 °F | 68.1 °F | 0 watt/m2 | 1 mph | N | 86 % | 30.084 in Hg | 0 in |
| 09/18/2025 03:30 AM | 66 °F | 65 °F | 66 °F | 65 °F | 68.5 °F | 0 watt/m2 | 0 mph | --- | 86 % | 30.089 in Hg | 0 in |
| 09/18/2025 03:15 AM | 66 °F | 65 °F | 67 °F | 65 °F | 68.7 °F | 0 watt/m2 | 4 mph | N | 87 % | 30.083 in Hg | 0 in |
| 09/18/2025 03:00 AM | 66 °F | 65 °F | 67 °F | 65 °F | 68.8 °F | 0 watt/m2 | 5 mph | N | 87 % | 30.085 in Hg | 0 in |
| 09/18/2025 02:45 AM | 67 °F | 65 °F | 67 °F | 66 °F | 68.7 °F | 0 watt/m2 | 2 mph | N | 87 % | 30.085 in Hg | 0 in |
| 09/18/2025 02:30 AM | 67 °F | 66 °F | 68 °F | 66 °F | 68.9 °F | 0 watt/m2 | 5 mph | N | 87 % | 30.08 in Hg | 0 in |
| 09/18/2025 02:15 AM | 67 °F | 66 °F | 68 °F | 67 °F | 69.2 °F | 0 watt/m2 | 4 mph | N | 87 % | 30.078 in Hg | 0 in |
| 09/18/2025 02:00 AM | 67 °F | 66 °F | 68 °F | 67 °F | 69.3 °F | 0 watt/m2 | 0 mph | --- | 87 % | 30.08 in Hg | 0 in |
| 09/18/2025 01:45 AM | 67 °F | 67 °F | 69 °F | 67 °F | 69.5 °F | 0 watt/m2 | 1 mph | N | 86 % | 30.083 in Hg | 0 in |
| 09/18/2025 01:30 AM | 68 °F | 67 °F | 69 °F | 68 °F | 69.7 °F | 0 watt/m2 | 0 mph | --- | 85 % | 30.095 in Hg | 0 in |
| 09/18/2025 01:15 AM | 68 °F | 67 °F | 69 °F | 68 °F | 70.1 °F | 0 watt/m2 | 2 mph | N | 85 % | 30.094 in Hg | 0 in |
| 09/18/2025 01:00 AM | 69 °F | 68 °F | 70 °F | 68 °F | 70.4 °F | 0 watt/m2 | 4 mph | N | 84 % | 30.091 in Hg | 0 in |
| 09/18/2025 12:45 AM | 69 °F | 68 °F | 70 °F | 68 °F | 70.6 °F | 0 watt/m2 | 3 mph | N | 82 % | 30.095 in Hg | 0 in |
| 09/18/2025 12:30 AM | 69 °F | 69 °F | 70 °F | 69 °F | 70.9 °F | 0 watt/m2 | 3 mph | N | 81 % | 30.095 in Hg | 0 in |
| 09/18/2025 12:15 AM | 70 °F | 69 °F | 71 °F | 69 °F | 71.1 °F | 0 watt/m2 | 5 mph | N | 80 % | 30.092 in Hg | 0 in |
| 09/18/2025 12:00 AM | 70 °F | 69 °F | 71 °F | 70 °F | 71.1 °F | 0 watt/m2 | 3 mph | N | 78 % | 30.094 in Hg | 0 in |
| 09/17/2025 11:45 PM | 70 °F | 70 °F | 72 °F | 71 °F | 71.4 °F | 0 watt/m2 | 3 mph | N | 77 % | 30.093 in Hg | 0 in |
| 09/17/2025 11:30 PM | 71 °F | 70 °F | 73 °F | 71 °F | 71.6 °F | 0 watt/m2 | 3 mph | N | 76 % | 30.092 in Hg | 0 in |
| 09/17/2025 11:15 PM | 71 °F | 71 °F | 73 °F | 71 °F | 71.5 °F | 0 watt/m2 | 2 mph | N | 75 % | 30.095 in Hg | 0 in |
| 09/17/2025 11:00 PM | 72 °F | 72 °F | 73 °F | 71 °F | 71.7 °F | 0 watt/m2 | 2 mph | N | 75 % | 30.091 in Hg | 0 in |
| 09/17/2025 10:45 PM | 73 °F | 72 °F | 73 °F | 71 °F | 72 °F | 0 watt/m2 | 3 mph | N | 74 % | 30.092 in Hg | 0 in |
| 09/17/2025 10:30 PM | 73 °F | 72 °F | 73 °F | 72 °F | 72.1 °F | 0 watt/m2 | 5 mph | N | 74 % | 30.086 in Hg | 0 in |
| 09/17/2025 10:15 PM | 74 °F | 73 °F | 74 °F | 72 °F | 72.2 °F | 0 watt/m2 | 9 mph | N | 74 % | 30.087 in Hg | 0 in |
| 09/17/2025 10:00 PM | 74 °F | 74 °F | 75 °F | 73 °F | 72.4 °F | 0 watt/m2 | 9 mph | N | 74 % | 30.084 in Hg | 0 in |
| 09/17/2025 09:45 PM | 75 °F | 75 °F | 75 °F | 74 °F | 72.9 °F | 0 watt/m2 | 10 mph | N | 72 % | 30.084 in Hg | 0 in |
| 09/17/2025 09:30 PM | 76 °F | 76 °F | 76 °F | 74 °F | 72.8 °F | 0 watt/m2 | 9 mph | N | 68 % | 30.077 in Hg | 0 in |
| 09/17/2025 09:15 PM | 78 °F | 78 °F | 78 °F | 76 °F | 73 °F | 0 watt/m2 | 9 mph | N | 67 % | 30.077 in Hg | 0 in |
| 09/17/2025 09:00 PM | 79 °F | 79 °F | 79 °F | 77 °F | 72.2 °F | 0 watt/m2 | 8 mph | N | 66 % | 30.084 in Hg | 0 in |
| 09/17/2025 08:45 PM | 80 °F | 80 °F | 80 °F | 78 °F | 72 °F | 0 watt/m2 | 5 mph | N | 66 % | 30.081 in Hg | 0 in |
| 09/17/2025 08:30 PM | 81 °F | 82 °F | 81 °F | 78 °F | 72.5 °F | 0 watt/m2 | 3 mph | N | 66 % | 30.074 in Hg | 0 in |
| 09/17/2025 08:15 PM | 83 °F | 83 °F | 82 °F | 80 °F | 73.4 °F | 0 watt/m2 | 4 mph | N | 68 % | 30.082 in Hg | 0 in |
| 09/17/2025 08:00 PM | 85 °F | 85 °F | 84 °F | 81 °F | 73.7 °F | 1 watt/m2 | 9 mph | N | 68 % | 30.077 in Hg | 0 in |
| 09/17/2025 07:45 PM | 87 °F | 87 °F | 86 °F | 83 °F | 74 °F | 10 watt/m2 | 8 mph | N | 67 % | 30.074 in Hg | 0 in |
| 09/17/2025 07:30 PM | 90 °F | 91 °F | 88 °F | 85 °F | 74.7 °F | 25 watt/m2 | 9 mph | N | 65 % | 30.073 in Hg | 0 in |
| 09/17/2025 07:15 PM | 94 °F | 94 °F | 91 °F | 87 °F | 75 °F | 56 watt/m2 | 10 mph | N | 64 % | 30.078 in Hg | 0 in |
| 09/17/2025 07:00 PM | 97 °F | 97 °F | 93 °F | 90 °F | 75.5 °F | 30 watt/m2 | 6 mph | N | 64 % | 30.078 in Hg | 0 in |
| 09/17/2025 06:45 PM | 100 °F | 101 °F | 95 °F | 92 °F | 75.8 °F | 145 watt/m2 | 8 mph | N | 64 % | 30.076 in Hg | 0 in |
| 09/17/2025 06:30 PM | 100 °F | 103 °F | 98 °F | 94 °F | 76.4 °F | 211 watt/m2 | 9 mph | N | 63 % | 30.077 in Hg | 0 in |
| 09/17/2025 06:15 PM | 101 °F | 104 °F | 101 °F | 98 °F | 77.1 °F | 261 watt/m2 | 9 mph | N | 61 % | 30.079 in Hg | 0 in |
| 09/17/2025 06:00 PM | 100 °F | 104 °F | 101 °F | 103 °F | 75.8 °F | 309 watt/m2 | 12 mph | N | 62 % | 30.084 in Hg | 0 in |
| 09/17/2025 05:45 PM | 100 °F | 103 °F | 101 °F | 103 °F | 75.9 °F | 355 watt/m2 | 13 mph | N | 63 % | 30.079 in Hg | 0 in |
| 09/17/2025 05:30 PM | 100 °F | 103 °F | 101 °F | 103 °F | 75.4 °F | 399 watt/m2 | 13 mph | N | 64 % | 30.083 in Hg | 0 in |
| 09/17/2025 05:15 PM | 99 °F | 102 °F | 100 °F | 102 °F | 75.3 °F | 440 watt/m2 | 12 mph | N | 66 % | 30.082 in Hg | 0 in |
| 09/17/2025 05:00 PM | 99 °F | 102 °F | 99 °F | 101 °F | 75.1 °F | 464 watt/m2 | 13 mph | N | 65 % | 30.086 in Hg | 0 in |
| 09/17/2025 04:45 PM | 99 °F | 101 °F | 99 °F | 101 °F | 74.9 °F | 495 watt/m2 | 14 mph | N | 65 % | 30.089 in Hg | 0 in |
| 09/17/2025 04:30 PM | 100 °F | 102 °F | 99 °F | 102 °F | 75.1 °F | 550 watt/m2 | 14 mph | N | 63 % | 30.091 in Hg | 0 in |
| 09/17/2025 04:15 PM | 99 °F | 100 °F | 98 °F | 101 °F | 75.2 °F | 594 watt/m2 | 15 mph | N | 63 % | 30.097 in Hg | 0 in |
| 09/17/2025 04:00 PM | 98 °F | 98 °F | 95 °F | 99 °F | 75.6 °F | 620 watt/m2 | 14 mph | N | 59 % | 30.104 in Hg | 0 in |
| 09/17/2025 03:45 PM | 100 °F | 100 °F | 98 °F | 101 °F | 75.5 °F | 641 watt/m2 | 12 mph | N | 60 % | 30.109 in Hg | 0 in |
| 09/17/2025 03:30 PM | 100 °F | 102 °F | 100 °F | 102 °F | 75.2 °F | 227 watt/m2 | 12 mph | N | 62 % | 30.122 in Hg | 0 in |
| 09/17/2025 03:15 PM | 99 °F | 100 °F | 99 °F | 101 °F | 75 °F | 118 watt/m2 | 12 mph | N | 64 % | 30.121 in Hg | 0 in |
| 09/17/2025 03:00 PM | 97 °F | 98 °F | 97 °F | 98 °F | 74.6 °F | 119 watt/m2 | 13 mph | N | 67 % | 30.128 in Hg | 0 in |
| 09/17/2025 02:45 PM | 95 °F | 97 °F | 96 °F | 98 °F | 74.7 °F | 66 watt/m2 | 12 mph | N | 67 % | 30.13 in Hg | 0 in |
| 09/17/2025 02:30 PM | 93 °F | 94 °F | 94 °F | 96 °F | 74.7 °F | 85 watt/m2 | 12 mph | N | 68 % | 30.131 in Hg | 0 in |
| 09/17/2025 02:15 PM | 91 °F | 92 °F | 93 °F | 94 °F | 74.6 °F | 489 watt/m2 | 14 mph | N | 69 % | 30.134 in Hg | 0 in |
| 09/17/2025 02:00 PM | 93 °F | 95 °F | 92 °F | 91 °F | 75 °F | 738 watt/m2 | 15 mph | N | 68 % | 30.137 in Hg | 0 in |
| 09/17/2025 01:45 PM | 94 °F | 94 °F | 96 °F | 94 °F | 74.4 °F | 735 watt/m2 | 13 mph | N | 70 % | 30.145 in Hg | 0 in |
| 09/17/2025 01:30 PM | 97 °F | 98 °F | 98 °F | 93 °F | 74.6 °F | 735 watt/m2 | 12 mph | N | 70 % | 30.147 in Hg | 0 in |
| 09/17/2025 01:15 PM | 99 °F | 100 °F | 101 °F | 98 °F | 74.2 °F | 730 watt/m2 | 12 mph | N | 72 % | 30.15 in Hg | 0 in |
| 09/17/2025 01:00 PM | 99 °F | 99 °F | 102 °F | 100 °F | 75.1 °F | 720 watt/m2 | 12 mph | N | 71 % | 30.153 in Hg | 0 in |
| 09/17/2025 12:45 PM | 99 °F | 99 °F | 102 °F | 100 °F | 74.6 °F | 703 watt/m2 | 11 mph | N | 72 % | 30.156 in Hg | 0 in |
| 09/17/2025 12:30 PM | 98 °F | 98 °F | 102 °F | 100 °F | 74.5 °F | 685 watt/m2 | 11 mph | N | 71 % | 30.156 in Hg | 0 in |
| 09/17/2025 12:15 PM | 97 °F | 97 °F | 100 °F | 99 °F | 75.1 °F | 667 watt/m2 | 10 mph | N | 68 % | 30.156 in Hg | 0 in |
| 09/17/2025 12:00 PM | 96 °F | 96 °F | 99 °F | 98 °F | 75.1 °F | 646 watt/m2 | 9 mph | N | 70 % | 30.154 in Hg | 0 in |
| 09/17/2025 11:45 AM | 94 °F | 95 °F | 99 °F | 98 °F | 75 °F | 616 watt/m2 | 9 mph | N | 70 % | 30.151 in Hg | 0 in |
| 09/17/2025 11:30 AM | 93 °F | 94 °F | 98 °F | 97 °F | 74.5 °F | 590 watt/m2 | 6 mph | N | 73 % | 30.149 in Hg | 0 in |
| 09/17/2025 11:15 AM | 91 °F | 93 °F | 97 °F | 96 °F | 73.8 °F | 557 watt/m2 | 6 mph | N | 76 % | 30.147 in Hg | 0 in |
| 09/17/2025 11:00 AM | 88 °F | 91 °F | 96 °F | 94 °F | 73.7 °F | 525 watt/m2 | 9 mph | N | 77 % | 30.147 in Hg | 0 in |
| 09/17/2025 10:45 AM | 85 °F | 88 °F | 94 °F | 93 °F | 73 °F | 456 watt/m2 | 8 mph | N | 78 % | 30.144 in Hg | 0 in |