Sullivan, IN — every free forecast we can get, averaged to be a little more right. County seat of Sullivan 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 51° Low 36° Rain 43%
They disagree — a coin flip (highs spread 4°, rain spread 67 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 33° | 9% |
| US model (GFS) | 50° | 37° | 20% |
| European model (ECMWF) | 54° | 41° | 76% |
| German model (ICON) | 51° | 37° | 68% |
| Canadian model (GEM) | 51° | 34° | 43% |
| The average | 51° | 36° | 43% |
High 44° Low 33° Rain 8%
Pretty close — fairly safe (highs spread 6°, rain spread 14 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 46° | 29° | 18% |
| US model (GFS) | 42° | 33° | 4% |
| European model (ECMWF) | 45° | 37° | 9% |
| German model (ICON) | 45° | 33° | 5% |
| Canadian model (GEM) | 40° | 31° | 6% |
| The average | 44° | 33° | 8% |
High 49° Low 28° Rain 0%
They agree — trust it (highs spread 1°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 49° | 25° | 0% |
| US model (GFS) | 49° | 30° | 1% |
| European model (ECMWF) | 50° | 31° | 0% |
| German model (ICON) | 49° | 28° | 0% |
| Canadian model (GEM) | 48° | 25° | 0% |
| The average | 49° | 28° | 0% |
High 51° Low 28° Rain 0%
They agree — trust it (highs spread 3°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 51° | 28° | 0% |
| US model (GFS) | 52° | 33° | 0% |
| European model (ECMWF) | 50° | 30° | 0% |
| German model (ICON) | 52° | 30° | 0% |
| Canadian model (GEM) | 49° | 19° | 0% |
| The average | 51° | 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.