Sullivan, IL — every free forecast we can get, averaged to be a little more right. County seat of Moultrie 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 47° Low 34° Rain 34%
They disagree — a coin flip (highs spread 2°, rain spread 74 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 31° | 12% |
| US model (GFS) | 47° | 35° | 18% |
| European model (ECMWF) | 48° | 36° | 86% |
| German model (ICON) | 48° | 33° | 20% |
| Canadian model (GEM) | 47° | 34° | 35% |
| The average | 47° | 34° | 34% |
High 42° Low 30° Rain 9%
Pretty close — fairly safe (highs spread 4°, rain spread 11 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 43° | 25° | 14% |
| US model (GFS) | 42° | 30° | 3% |
| European model (ECMWF) | 42° | 33° | 8% |
| German model (ICON) | 43° | 30° | 10% |
| Canadian model (GEM) | 39° | 30° | 10% |
| The average | 42° | 30° | 9% |
High 47° Low 25° Rain 0%
They agree — trust it (highs spread 1°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 47° | 24° | 0% |
| US model (GFS) | 47° | 24° | 0% |
| European model (ECMWF) | 48° | 30° | 0% |
| German model (ICON) | 48° | 27° | 0% |
| Canadian model (GEM) | 47° | 22° | 0% |
| The average | 47° | 25° | 0% |
High 50° Low 27° Rain 0%
They agree — trust it (highs spread 2°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 49° | 27° | 0% |
| US model (GFS) | 51° | 33° | 0% |
| European model (ECMWF) | 49° | 29° | 0% |
| German model (ICON) | 51° | 27° | 0% |
| Canadian model (GEM) | 50° | 19° | 0% |
| The average | 50° | 27° | 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.