Mertzon, TX — every free forecast we can get, averaged to be a little more right. County seat of Irion 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 73° Low 50° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 49° | 0% |
| US model (GFS) | 74° | 50° | 0% |
| European model (ECMWF) | 71° | 50° | 0% |
| German model (ICON) | 72° | 52° | 0% |
| Canadian model (GEM) | 74° | 48° | 0% |
| The average | 73° | 50° | 0% |
High 71° Low 49° Rain 5%
Pretty close — fairly safe (highs spread 4°, rain spread 24 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 71° | 50° | 24% |
| US model (GFS) | 72° | 50° | 1% |
| European model (ECMWF) | 70° | 48° | 0% |
| German model (ICON) | 70° | 49° | 0% |
| Canadian model (GEM) | 73° | 47° | 0% |
| The average | 71° | 49° | 5% |
High 66° Low 53° Rain 72%
They disagree — a coin flip (highs spread 8°, rain spread 41 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 64° | 54° | 61% |
| US model (GFS) | 64° | 50° | 56% |
| European model (ECMWF) | 67° | 53° | 97% |
| German model (ICON) | 65° | 55° | 84% |
| Canadian model (GEM) | 72° | 53° | 62% |
| The average | 66° | 53° | 72% |
High 68° Low 49° Rain 39%
They disagree — a coin flip (highs spread 6°, rain spread 68 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 65° | 44° | 7% |
| US model (GFS) | 71° | 51° | 22% |
| European model (ECMWF) | 65° | 51° | 75% |
| German model (ICON) | 70° | 51° | 38% |
| Canadian model (GEM) | 71° | 46° | 52% |
| The average | 68° | 49° | 39% |
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.