San Luis, CO — every free forecast we can get, averaged to be a little more right. County seat of Costilla 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 54° Low 30° Rain 0%
Pretty close — fairly safe (highs spread 5°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 29° | 0% |
| US model (GFS) | 57° | 31° | 0% |
| European model (ECMWF) | 52° | 29° | 0% |
| German model (ICON) | 55° | 29° | 0% |
| Canadian model (GEM) | 54° | 32° | 0% |
| The average | 54° | 30° | 0% |
High 53° Low 32° Rain 17%
They disagree — a coin flip (highs spread 3°, rain spread 81 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 52° | 33° | 81% |
| US model (GFS) | 55° | 34° | 1% |
| European model (ECMWF) | 52° | 31° | 0% |
| German model (ICON) | 53° | 30° | 0% |
| Canadian model (GEM) | 52° | 34° | 5% |
| The average | 53° | 32° | 17% |
High 44° Low 32° Rain 80%
They disagree — a coin flip (highs spread 3°, rain spread 34 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 44° | 29° | 85% |
| US model (GFS) | 43° | 31° | 75% |
| European model (ECMWF) | 42° | 35° | 97% |
| German model (ICON) | 45° | 34° | 63% |
| Canadian model (GEM) | 43° | 33° | 80% |
| The average | 44° | 32° | 80% |
High 46° Low 29° Rain 17%
Pretty close — fairly safe (highs spread 3°, rain spread 28 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 45° | 28° | 0% |
| US model (GFS) | 46° | 29° | 13% |
| European model (ECMWF) | 46° | 32° | 28% |
| German model (ICON) | 48° | 31° | 20% |
| Canadian model (GEM) | 44° | 28° | 22% |
| The average | 46° | 29° | 17% |
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.