Shelbyville, IL — every free forecast we can get, averaged to be a little more right. County seat of Shelby County.
Updated Friday, November 13, 2026. Recorded fresh this morning from five free sources, and graded later against what the weather actually did.
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High 48° Low 34° Rain 35%
They disagree — a coin flip (highs spread 0°, rain spread 80 points, 3 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 31° | 8% |
| US model (GFS) | 48° | 35° | 22% |
| European model (ECMWF) | 48° | 36° | 88% |
| Canadian model (GEM) | 48° | 34° | 21% |
| The average | 48° | 34° | 35% |
High 42° Low 30° Rain 2%
They agree — trust it (highs spread 3°, rain spread 9 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 43° | 25° | 9% |
| US model (GFS) | 43° | 32° | 1% |
| European model (ECMWF) | 43° | 34° | 0% |
| Canadian model (GEM) | 40° | 30° | 0% |
| The average | 42° | 30° | 2% |
High 47° Low 25° Rain 0%
They agree — trust it (highs spread 2°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 47° | 25° | 0% |
| US model (GFS) | 47° | 22° | 0% |
| European model (ECMWF) | 48° | 31° | 0% |
| Canadian model (GEM) | 46° | 22° | 0% |
| The average | 47° | 25° | 0% |
High 50° Low 28° Rain 0%
They agree — trust it (highs spread 2°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 49° | 27° | 0% |
| US model (GFS) | 52° | 33° | 0% |
| European model (ECMWF) | 50° | 31° | 0% |
| Canadian model (GEM) | 50° | 21° | 0% |
| The average | 50° | 28° | 0% |
Scoring has started — every forecast is being recorded. The first grades land once the historical record publishes what actually happened (it runs a few days behind), and this board fills in from there.