ENGINEERING TRACK TESTING
Weather & Rail Temperature Monitoring
Weather station CHICAGO
Chicago Weather station
Measurement History
  |
Conditions for past 24 hours (since 07/26/2025 09:37 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 | ||||||||||
| 07/27/2025 08:15 AM | 83 °F | 84 °F | 86 °F | 84 °F | 79.7 °F | 231 watt/m2 | 8 mph | N | 87 % | 30.052 in Hg | 0 in |
| 07/27/2025 08:00 AM | 82 °F | 82 °F | 85 °F | 82 °F | 79.5 °F | 173 watt/m2 | 1 mph | ENE | 87 % | 30.061 in Hg | 0 in |
| 07/27/2025 07:45 AM | 81 °F | 81 °F | 84 °F | 81 °F | 79.3 °F | 230 watt/m2 | 0 mph | --- | 88 % | 30.058 in Hg | 0 in |
| 07/27/2025 07:30 AM | 78 °F | 79 °F | 82 °F | 80 °F | 78.7 °F | 160 watt/m2 | 4 mph | N | 89 % | 30.053 in Hg | 0 in |
| 07/27/2025 07:15 AM | 77 °F | 77 °F | 81 °F | 78 °F | 78.8 °F | 145 watt/m2 | 1 mph | N | 90 % | 30.044 in Hg | 0 in |
| 07/27/2025 07:00 AM | 76 °F | 76 °F | 79 °F | 77 °F | 78.1 °F | 52 watt/m2 | 3 mph | N | 91 % | 30.043 in Hg | 0 in |
| 07/27/2025 06:45 AM | 76 °F | 76 °F | 79 °F | 76 °F | 77.7 °F | 123 watt/m2 | 3 mph | N | 91 % | 30.035 in Hg | 0 in |
| 07/27/2025 06:30 AM | 75 °F | 75 °F | 78 °F | 75 °F | 76.9 °F | 98 watt/m2 | 0 mph | --- | 91 % | 30.038 in Hg | 0 in |
| 07/27/2025 06:15 AM | 74 °F | 74 °F | 77 °F | 74 °F | 76.5 °F | 33 watt/m2 | 0 mph | --- | 91 % | 30.037 in Hg | 0 in |
| 07/27/2025 06:00 AM | 74 °F | 74 °F | 77 °F | 74 °F | 76.1 °F | 15 watt/m2 | 0 mph | --- | 91 % | 30.033 in Hg | 0 in |
| 07/27/2025 05:45 AM | 74 °F | 74 °F | 76 °F | 74 °F | 76.1 °F | 5 watt/m2 | 0 mph | --- | 90 % | 30.029 in Hg | 0 in |
| 07/27/2025 05:30 AM | 74 °F | 74 °F | 76 °F | 74 °F | 76 °F | 0 watt/m2 | 2 mph | N | 90 % | 30.025 in Hg | 0 in |
| 07/27/2025 05:15 AM | 74 °F | 74 °F | 77 °F | 74 °F | 76.1 °F | 0 watt/m2 | 3 mph | N | 90 % | 30.019 in Hg | 0 in |
| 07/27/2025 05:00 AM | 74 °F | 74 °F | 77 °F | 74 °F | 76.2 °F | 0 watt/m2 | 3 mph | N | 90 % | 30.017 in Hg | 0 in |
| 07/27/2025 04:45 AM | 74 °F | 74 °F | 77 °F | 74 °F | 76.1 °F | 0 watt/m2 | 2 mph | N | 90 % | 30.009 in Hg | 0 in |
| 07/27/2025 04:30 AM | 75 °F | 74 °F | 77 °F | 74 °F | 76 °F | 0 watt/m2 | 3 mph | N | 90 % | 30.008 in Hg | 0 in |
| 07/27/2025 04:15 AM | 75 °F | 74 °F | 77 °F | 75 °F | 76.1 °F | 0 watt/m2 | 4 mph | N | 90 % | 30.013 in Hg | 0 in |
| 07/27/2025 04:00 AM | 75 °F | 74 °F | 77 °F | 75 °F | 76 °F | 0 watt/m2 | 3 mph | N | 90 % | 30.007 in Hg | 0 in |
| 07/27/2025 03:45 AM | 75 °F | 75 °F | 78 °F | 75 °F | 76.1 °F | 0 watt/m2 | 3 mph | N | 89 % | 30.009 in Hg | 0 in |
| 07/27/2025 03:30 AM | 75 °F | 75 °F | 78 °F | 75 °F | 76.3 °F | 0 watt/m2 | 4 mph | N | 89 % | 30.008 in Hg | 0 in |
| 07/27/2025 03:15 AM | 75 °F | 75 °F | 78 °F | 75 °F | 76.4 °F | 0 watt/m2 | 6 mph | N | 89 % | 30.005 in Hg | 0 in |
| 07/27/2025 03:00 AM | 75 °F | 75 °F | 78 °F | 76 °F | 76.5 °F | 0 watt/m2 | 5 mph | N | 89 % | 30.006 in Hg | 0 in |
| 07/27/2025 02:45 AM | 76 °F | 75 °F | 79 °F | 76 °F | 76.6 °F | 0 watt/m2 | 5 mph | N | 89 % | 30.005 in Hg | 0 in |
| 07/27/2025 02:30 AM | 76 °F | 75 °F | 79 °F | 76 °F | 76.7 °F | 0 watt/m2 | 3 mph | N | 88 % | 29.998 in Hg | 0 in |
| 07/27/2025 02:15 AM | 76 °F | 76 °F | 79 °F | 76 °F | 76.7 °F | 0 watt/m2 | 4 mph | N | 88 % | 30.005 in Hg | 0 in |
| 07/27/2025 02:00 AM | 76 °F | 76 °F | 78 °F | 75 °F | 76.7 °F | 0 watt/m2 | 4 mph | N | 88 % | 29.997 in Hg | 0 in |
| 07/27/2025 01:45 AM | 76 °F | 76 °F | 78 °F | 75 °F | 76.9 °F | 0 watt/m2 | 4 mph | N | 88 % | 29.994 in Hg | 0 in |
| 07/27/2025 01:30 AM | 77 °F | 76 °F | 78 °F | 76 °F | 77.2 °F | 0 watt/m2 | 4 mph | N | 87 % | 29.996 in Hg | 0 in |
| 07/27/2025 01:15 AM | 77 °F | 76 °F | 79 °F | 76 °F | 77.3 °F | 0 watt/m2 | 3 mph | N | 87 % | 30.004 in Hg | 0 in |
| 07/27/2025 01:00 AM | 77 °F | 77 °F | 79 °F | 76 °F | 77.3 °F | 0 watt/m2 | 6 mph | N | 87 % | 30.01 in Hg | 0 in |
| 07/27/2025 12:45 AM | 78 °F | 77 °F | 79 °F | 76 °F | 77.6 °F | 0 watt/m2 | 4 mph | N | 86 % | 30.003 in Hg | 0 in |
| 07/27/2025 12:30 AM | 78 °F | 77 °F | 79 °F | 76 °F | 77.8 °F | 0 watt/m2 | 1 mph | N | 86 % | 29.998 in Hg | 0 in |
| 07/27/2025 12:15 AM | 78 °F | 78 °F | 80 °F | 77 °F | 77.8 °F | 0 watt/m2 | 5 mph | N | 86 % | 30.001 in Hg | 0 in |
| 07/27/2025 12:00 AM | 79 °F | 78 °F | 80 °F | 77 °F | 78 °F | 0 watt/m2 | 8 mph | N | 86 % | 30 in Hg | 0 in |
| 07/26/2025 11:45 PM | 79 °F | 78 °F | 80 °F | 77 °F | 78.3 °F | 0 watt/m2 | 4 mph | N | 86 % | 30.001 in Hg | 0 in |
| 07/26/2025 11:30 PM | 78 °F | 78 °F | 80 °F | 78 °F | 78.4 °F | 0 watt/m2 | 0 mph | --- | 86 % | 30.007 in Hg | 0 in |
| 07/26/2025 11:15 PM | 79 °F | 78 °F | 81 °F | 78 °F | 78.5 °F | 0 watt/m2 | 6 mph | N | 85 % | 30.004 in Hg | 0 in |
| 07/26/2025 11:00 PM | 79 °F | 79 °F | 81 °F | 78 °F | 78.9 °F | 0 watt/m2 | 5 mph | N | 85 % | 29.995 in Hg | 0 in |
| 07/26/2025 10:45 PM | 80 °F | 79 °F | 82 °F | 79 °F | 79.2 °F | 0 watt/m2 | 4 mph | N | 85 % | 29.998 in Hg | 0 in |
| 07/26/2025 10:30 PM | 80 °F | 80 °F | 82 °F | 79 °F | 79.6 °F | 0 watt/m2 | 3 mph | N | 84 % | 30 in Hg | 0 in |
| 07/26/2025 10:15 PM | 81 °F | 80 °F | 82 °F | 80 °F | 79.9 °F | 0 watt/m2 | 8 mph | N | 84 % | 29.993 in Hg | 0 in |
| 07/26/2025 10:00 PM | 81 °F | 81 °F | 83 °F | 81 °F | 80.4 °F | 0 watt/m2 | 4 mph | N | 83 % | 29.997 in Hg | 0 in |
| 07/26/2025 09:45 PM | 81 °F | 81 °F | 83 °F | 81 °F | 81.1 °F | 0 watt/m2 | 4 mph | N | 81 % | 29.991 in Hg | 0 in |
| 07/26/2025 09:30 PM | 82 °F | 82 °F | 84 °F | 81 °F | 81.4 °F | 0 watt/m2 | 6 mph | N | 80 % | 29.995 in Hg | 0 in |
| 07/26/2025 09:15 PM | 83 °F | 82 °F | 85 °F | 82 °F | 82 °F | 0 watt/m2 | 1 mph | N | 78 % | 29.984 in Hg | 0 in |
| 07/26/2025 09:00 PM | 83 °F | 83 °F | 85 °F | 83 °F | 82.6 °F | 0 watt/m2 | 6 mph | N | 76 % | 29.981 in Hg | 0 in |
| 07/26/2025 08:45 PM | 84 °F | 84 °F | 86 °F | 84 °F | 82.6 °F | 0 watt/m2 | 3 mph | N | 75 % | 29.972 in Hg | 0 in |
| 07/26/2025 08:30 PM | 85 °F | 85 °F | 87 °F | 84 °F | 82.7 °F | 0 watt/m2 | 0 mph | --- | 74 % | 29.975 in Hg | 0 in |
| 07/26/2025 08:15 PM | 86 °F | 86 °F | 87 °F | 85 °F | 82.8 °F | 2 watt/m2 | 0 mph | --- | 73 % | 29.978 in Hg | 0 in |
| 07/26/2025 08:00 PM | 86 °F | 86 °F | 88 °F | 86 °F | 82.9 °F | 14 watt/m2 | 6 mph | N | 72 % | 29.975 in Hg | 0 in |
| 07/26/2025 07:45 PM | 87 °F | 87 °F | 89 °F | 87 °F | 83.1 °F | 19 watt/m2 | 6 mph | N | 71 % | 29.972 in Hg | 0 in |
| 07/26/2025 07:30 PM | 88 °F | 88 °F | 90 °F | 88 °F | 83.3 °F | 30 watt/m2 | 5 mph | N | 72 % | 29.961 in Hg | 0 in |
| 07/26/2025 07:15 PM | 88 °F | 88 °F | 90 °F | 88 °F | 83.3 °F | 45 watt/m2 | 5 mph | N | 72 % | 29.962 in Hg | 0 in |
| 07/26/2025 07:00 PM | 89 °F | 89 °F | 91 °F | 89 °F | 83.4 °F | 35 watt/m2 | 5 mph | N | 71 % | 29.963 in Hg | 0 in |
| 07/26/2025 06:45 PM | 90 °F | 91 °F | 92 °F | 90 °F | 83.5 °F | 68 watt/m2 | 8 mph | N | 70 % | 29.96 in Hg | 0 in |
| 07/26/2025 06:30 PM | 91 °F | 91 °F | 93 °F | 91 °F | 83.8 °F | 99 watt/m2 | 3 mph | N | 71 % | 29.955 in Hg | 0 in |
| 07/26/2025 06:15 PM | 92 °F | 92 °F | 93 °F | 92 °F | 83.7 °F | 98 watt/m2 | 8 mph | N | 71 % | 29.959 in Hg | 0 in |
| 07/26/2025 06:00 PM | 92 °F | 93 °F | 94 °F | 92 °F | 83.5 °F | 115 watt/m2 | 5 mph | N | 70 % | 29.964 in Hg | 0 in |
| 07/26/2025 05:45 PM | 93 °F | 93 °F | 94 °F | 93 °F | 82.9 °F | 123 watt/m2 | 8 mph | N | 71 % | 29.969 in Hg | 0 in |
| 07/26/2025 05:30 PM | 94 °F | 94 °F | 95 °F | 94 °F | 82.9 °F | 80 watt/m2 | 3 mph | N | 75 % | 29.971 in Hg | 0 in |
| 07/26/2025 05:15 PM | 96 °F | 96 °F | 97 °F | 96 °F | 83.4 °F | 98 watt/m2 | 6 mph | NNE | 73 % | 29.974 in Hg | 0 in |
| 07/26/2025 05:00 PM | 97 °F | 98 °F | 98 °F | 98 °F | 83.9 °F | 224 watt/m2 | 4 mph | S | 73 % | 29.979 in Hg | 0 in |
| 07/26/2025 04:45 PM | 98 °F | 99 °F | 100 °F | 99 °F | 84.9 °F | 295 watt/m2 | 6 mph | NE | 73 % | 29.974 in Hg | 0 in |
| 07/26/2025 04:30 PM | 98 °F | 100 °F | 99 °F | 99 °F | 85.7 °F | 267 watt/m2 | 0 mph | --- | 74 % | 29.969 in Hg | 0 in |
| 07/26/2025 04:15 PM | 98 °F | 100 °F | 99 °F | 100 °F | 84.6 °F | 324 watt/m2 | 1 mph | ENE | 77 % | 29.97 in Hg | 0 in |
| 07/26/2025 04:00 PM | 98 °F | 100 °F | 100 °F | 101 °F | 83.9 °F | 673 watt/m2 | 5 mph | ENE | 78 % | 29.97 in Hg | 0 in |
| 07/26/2025 03:45 PM | 93 °F | 95 °F | 96 °F | 95 °F | 83.5 °F | 464 watt/m2 | 6 mph | NE | 79 % | 29.981 in Hg | 0 in |
| 07/26/2025 03:30 PM | 91 °F | 93 °F | 94 °F | 94 °F | 82.8 °F | 436 watt/m2 | 0 mph | --- | 81 % | 29.99 in Hg | 0 in |
| 07/26/2025 03:15 PM | 87 °F | 88 °F | 90 °F | 89 °F | 81.7 °F | 390 watt/m2 | 0 mph | --- | 82 % | 29.997 in Hg | 0 in |
| 07/26/2025 03:00 PM | 85 °F | 86 °F | 88 °F | 86 °F | 81.1 °F | 167 watt/m2 | 0 mph | --- | 81 % | 29.994 in Hg | 0 in |
| 07/26/2025 02:45 PM | 86 °F | 86 °F | 88 °F | 86 °F | 81.3 °F | 85 watt/m2 | 0 mph | --- | 80 % | 30.002 in Hg | 0 in |
| 07/26/2025 02:30 PM | 89 °F | 89 °F | 91 °F | 89 °F | 81.8 °F | 71 watt/m2 | 1 mph | N | 79 % | 29.994 in Hg | 0 in |
| 07/26/2025 02:15 PM | 90 °F | 91 °F | 93 °F | 91 °F | 81.9 °F | 172 watt/m2 | 2 mph | N | 77 % | 29.997 in Hg | 0 in |
| 07/26/2025 02:00 PM | 90 °F | 91 °F | 93 °F | 91 °F | 80.9 °F | 192 watt/m2 | 6 mph | N | 77 % | 30.011 in Hg | 0 in |
| 07/26/2025 01:45 PM | 90 °F | 91 °F | 93 °F | 91 °F | 80.6 °F | 181 watt/m2 | 8 mph | N | 78 % | 30.013 in Hg | 0 in |
| 07/26/2025 01:30 PM | 91 °F | 92 °F | 93 °F | 92 °F | 81.1 °F | 165 watt/m2 | 8 mph | WSW | 76 % | 30.011 in Hg | 0 in |
| 07/26/2025 01:15 PM | 92 °F | 93 °F | 94 °F | 93 °F | 82.2 °F | 248 watt/m2 | 1 mph | SW | 76 % | 30.015 in Hg | 0 in |
| 07/26/2025 01:00 PM | 92 °F | 93 °F | 94 °F | 94 °F | 81.4 °F | 469 watt/m2 | 9 mph | WSW | 76 % | 30.016 in Hg | 0 in |
| 07/26/2025 12:45 PM | 90 °F | 91 °F | 92 °F | 91 °F | 80.7 °F | 360 watt/m2 | 8 mph | WSW | 78 % | 30.024 in Hg | 0 in |
| 07/26/2025 12:30 PM | 91 °F | 91 °F | 92 °F | 91 °F | 81.8 °F | 340 watt/m2 | 1 mph | N | 78 % | 30.026 in Hg | 0 in |
| 07/26/2025 12:15 PM | 89 °F | 89 °F | 91 °F | 90 °F | 80.8 °F | 326 watt/m2 | 2 mph | N | 78 % | 30.027 in Hg | 0 in |
| 07/26/2025 12:00 PM | 88 °F | 88 °F | 91 °F | 89 °F | 79.8 °F | 239 watt/m2 | 8 mph | N | 78 % | 30.033 in Hg | 0 in |
| 07/26/2025 11:45 AM | 88 °F | 88 °F | 91 °F | 90 °F | 79.2 °F | 124 watt/m2 | 6 mph | N | 77 % | 30.028 in Hg | 0 in |
| 07/26/2025 11:30 AM | 89 °F | 89 °F | 92 °F | 91 °F | 79.4 °F | 259 watt/m2 | 9 mph | N | 78 % | 30.026 in Hg | 0 in |
| 07/26/2025 11:15 AM | 88 °F | 88 °F | 92 °F | 90 °F | 79 °F | 357 watt/m2 | 12 mph | N | 78 % | 30.027 in Hg | 0 in |
| 07/26/2025 11:00 AM | 88 °F | 88 °F | 91 °F | 89 °F | 79.4 °F | 305 watt/m2 | 17 mph | N | 79 % | 30.029 in Hg | 0 in |
| 07/26/2025 10:45 AM | 89 °F | 89 °F | 92 °F | 91 °F | 80.8 °F | 488 watt/m2 | 17 mph | N | 76 % | 30.03 in Hg | 0 in |
| 07/26/2025 10:30 AM | 86 °F | 87 °F | 90 °F | 88 °F | 80.6 °F | 605 watt/m2 | 17 mph | N | 75 % | 30.027 in Hg | 0 in |
| 07/26/2025 10:15 AM | 84 °F | 84 °F | 87 °F | 85 °F | 79.5 °F | 230 watt/m2 | 13 mph | N | 80 % | 30.029 in Hg | 0 in |
| 07/26/2025 10:00 AM | 84 °F | 85 °F | 87 °F | 85 °F | 79.5 °F | 196 watt/m2 | 10 mph | N | 81 % | 30.028 in Hg | 0 in |
| 07/26/2025 09:45 AM | 85 °F | 85 °F | 88 °F | 85 °F | 80 °F | 154 watt/m2 | 12 mph | SW | 80 % | 30.032 in Hg | 0 in |