Decatur, TN — every free forecast we can get, averaged to be a little more right. County seat of Meigs 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 60° Low 44° Rain 51%
They disagree — a coin flip (highs spread 3°, rain spread 74 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 34° | 4% |
| US model (GFS) | 60° | 45° | 23% |
| European model (ECMWF) | 62° | 49° | 73% |
| German model (ICON) | 59° | 46° | 78% |
| Canadian model (GEM) | 60° | 45° | 76% |
| The average | 60° | 44° | 51% |
High 48° Low 36° Rain 6%
Pretty close — fairly safe (highs spread 4°, rain spread 14 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 49° | 31° | 7% |
| US model (GFS) | 47° | 37° | 3% |
| European model (ECMWF) | 49° | 41° | 14% |
| German model (ICON) | 50° | 39° | 0% |
| Canadian model (GEM) | 45° | 34° | 4% |
| The average | 48° | 36° | 6% |
High 50° Low 32° Rain 1%
Pretty close — fairly safe (highs spread 4°, rain spread 5 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 51° | 28° | 0% |
| US model (GFS) | 50° | 32° | 1% |
| European model (ECMWF) | 51° | 36° | 0% |
| German model (ICON) | 51° | 36° | 0% |
| Canadian model (GEM) | 48° | 29° | 5% |
| The average | 50° | 32° | 1% |
High 53° Low 31° Rain 0%
They agree — trust it (highs spread 3°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 54° | 30° | 1% |
| US model (GFS) | 53° | 32° | 0% |
| European model (ECMWF) | 54° | 35° | 0% |
| German model (ICON) | 54° | 33° | 0% |
| Canadian model (GEM) | 51° | 25° | 0% |
| The average | 53° | 31° | 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.