Weather/Illinois/Instruments/ORD
Chicago OHare
At a river or reservoir gauge in Cook County, IllinoisAt a river or reservoir gauge
DCP network, identified by the register
- Identifier
- ORD
- Latitude
- 41.97670 N
- Longitude
- 87.90720 W
- Elevation
- -
- Listed
- Automatically, on 28 reports in 29 hours over the last seven days
- Rank
- 18of 1,162 in Illinois, Oct 4
Now, today, and the week
On the radar over Chicago OHareReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
At a river or reservoir gauge
Drawn as the kind of place it stands at. 49 instruments in Illinois stand at one.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
Chicago OHare Report
Rank 18 of 1,162 in Illinois, Oct 4. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.
247 score99.1of 100
- Reports receivedweight 35100.028 of 28 scheduled reports received in 7 days
- Arrivalweight 10100.0half its reports arrived within 15 min
- Continuityweight 10100.0longest silence 6.1 h, on a schedule of one report every 6 h
- Accuracyweight 20--
- Instrument checksweight 15--
- Forecast checkweight 10--
The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.
- Rank
- 18of 1,162 in Illinois, Oct 4
- Schedule
- every 6 hours
- Reports received, 24 hours
- 4 of 4100% of its schedule
- Reports received, 7 days
- 28 of 28100% of its schedule, 29 reports in all
- Days reported, 30 days
- 28 of 30
- Longest silence, 7 days
- 6 h 04 minfrom Oct 2, 6:56 PM
- Latest report
- Oct 3, 6:54 PMlocal time
- Time to reach Storm Station
- 15 min9 in 10 within 25 min
From Storm Station's own record of every report it heard from this station.
Its schedule is one report every 6 hours, 4 in 24 hours. Two reports in the same 6 hours count as one received.
The ranking these charts were drawn from, as tables
| Share of scheduled reports received | Stations |
|---|---|
| 100% | 505 |
| 90 to 99% | 318 |
| 80 to 89% | 33 |
| 70 to 79% | 22 |
| 60 to 69% | 200 |
| 50 to 59% | 12 |
| 40 to 49% | 12 |
| 30 to 39% | 25 |
| 20 to 29% | 2 |
| 10 to 19% | 32 |
| 0 to 9% | 1 |
| Day | Rank | Stations ranked | Share received |
|---|---|---|---|
| Oct 4, 2026 | 18 | 1,162 | 100.0% |
| Oct 3, 2026 | 18 | 1,104 | 100.0% |
| Oct 2, 2026 | 18 | 1,103 | 100.0% |
| Oct 1, 2026 | 147 | 542 | 100.0% |
| Sep 30, 2026 | 71 | 540 | 100.0% |
| Sep 29, 2026 | 62 | 535 | 100.0% |
The readings these charts were drawn from, as a table
| Day | High F | Low F | Average wind mph | Strongest gust mph | Precipitation in | Snowfall in | Snow depth in |
|---|---|---|---|---|---|---|---|
| Oct 2 | 67.0 | 52.0 | 8 | 24 | 0.00 | 0.00 | 0.00 |
| Oct 1 | 70.0 | 61.0 | 8 | 24 | 1.41 | 0.00 | 0.00 |
| Sep 30 | 70.0 | 60.0 | 7 | 22 | 0.74 | 0.00 | 0.00 |
| Sep 29 | 78.0 | 54.0 | 5 | 20 | 0.00 | 0.00 | 0.00 |
| Sep 28 | 73.0 | 52.0 | 4 | 19 | 0.00 | 0.00 | 0.00 |
| Sep 27 | 72.0 | 49.0 | 5 | 15 | 0.00 | 0.00 | 0.00 |
| Sep 26 | 69.0 | 51.0 | 4 | 17 | 0.00 | 0.00 | 0.00 |
| Sep 25 | 64.0 | 56.0 | 6 | 13 | 0.00 | 0.00 | 0.00 |
| Sep 24 | 70.0 | 60.0 | 9 | 20 | 0.00 | 0.00 | 0.00 |
| Sep 23 | 68.0 | 60.0 | 12 | 25 | 0.00 | 0.00 | 0.00 |
| Sep 22 | 63.0 | 57.0 | 13 | 26 | 0.00 | 0.00 | 0.00 |
| Sep 21 | 66.0 | 59.0 | 15 | 32 | trace | 0.00 | 0.00 |
| Sep 20 | 69.0 | 61.0 | 14 | 32 | 1.21 | 0.00 | 0.00 |
| Sep 19 | 70.0 | 63.0 | 6 | 24 | 0.86 | 0.00 | 0.00 |
| Sep 18 | 72.0 | 65.0 | 11 | 23 | trace | 0.00 | 0.00 |
| Sep 17 | 80.0 | 66.0 | 7 | 26 | 0.71 | 0.00 | 0.00 |
| Sep 16 | 76.0 | 64.0 | 9 | 22 | 0.03 | 0.00 | 0.00 |
| Sep 15 | 84.0 | 67.0 | 8 | 32 | 0.07 | 0.00 | 0.00 |
| Sep 14 | 71.0 | 53.0 | 8 | 26 | 0.00 | 0.00 | 0.00 |
| Sep 13 | 75.0 | 55.0 | 7 | 23 | 0.02 | 0.00 | 0.00 |
| Sep 12 | 88.0 | 66.0 | 8 | 22 | 0.00 | 0.00 | 0.00 |
| Sep 11 | 82.0 | 60.0 | 7 | 21 | 0.00 | 0.00 | 0.00 |
| Sep 10 | 77.0 | 64.0 | 6 | 20 | 0.00 | 0.00 | 0.00 |
| Sep 9 | 80.0 | 71.0 | 8 | 25 | 0.06 | 0.00 | 0.00 |
| Sep 8 | 85.0 | 65.0 | 7 | 27 | 0.00 | 0.00 | 0.00 |
| Sep 7 | 81.0 | 64.0 | 6 | 22 | 0.00 | 0.00 | 0.00 |
| Sep 6 | 79.0 | 68.0 | 10 | 23 | 0.00 | 0.00 | 0.00 |
| Sep 5 | 81.0 | 72.0 | 12 | 29 | 0.00 | 0.00 | 0.00 |
The whole record, Feb 21, 2026 to Oct 2, 2026, 224 days reported.
The readings these charts were drawn from, as a table
| Month | Average high F | Average low F | Record high F | Record low F | Average precipitation in | Strongest gust mph |
|---|---|---|---|---|---|---|
| Jan | - | - | - | - | - | - |
| Feb | 39.3 | 22.6 | 65.0 2026-02-27 | 18.0 2026-02-23 | - | 38 2026-02-24 |
| Mar | 54.9 | 32.8 | 81.0 2026-03-30 | 14.0 2026-03-17 | 4.54 | 65 2026-03-13 |
| Apr | 64.0 | 43.5 | 82.0 2026-04-14 | 28.0 2026-04-07 | 7.19 | 54 2026-04-27 |
| May | 70.5 | 49.6 | 87.0 2026-05-17 | 32.0 2026-05-02 | 1.17 | 44 2026-05-03 |
| Jun | 79.1 | 61.8 | 94.0 2026-06-30 | 50.0 2026-06-02 | 5.00 | 61 2026-06-10 |
| Jul | 85.6 | 68.0 | 96.0 2026-07-14 | 58.0 2026-07-23 | 5.36 | 65 2026-07-27 |
| Aug | 81.6 | 66.8 | 87.0 2026-08-07 | 58.0 2026-08-24 | 5.02 | 44 2026-08-09 |
| Sep | 77.3 | 63.0 | 96.0 2026-09-02 | 49.0 2026-09-27 | 3.70 | 32 2026-09-15 |
| Oct | 68.5 | 56.5 | 70.0 2026-10-01 | 52.0 2026-10-02 | - | 24 2026-10-01 |
| Nov | - | - | - | - | - | - |
| Dec | - | - | - | - | - | - |