Custer, SD — every free forecast we can get, averaged to be a little more right. County seat of Custer 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 38° Rain 0%
They disagree — a coin flip (highs spread 8°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 35° | 0% |
| US model (GFS) | 63° | 40° | 0% |
| European model (ECMWF) | 56° | 39° | 0% |
| German model (ICON) | 62° | 36° | 0% |
| Canadian model (GEM) | 60° | 40° | 0% |
| The average | 60° | 38° | 0% |
High 59° Low 35° Rain 0%
Pretty close — fairly safe (highs spread 5°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 57° | 33° | 0% |
| US model (GFS) | 58° | 35° | 0% |
| European model (ECMWF) | 59° | 38° | 0% |
| German model (ICON) | 61° | 38° | 0% |
| Canadian model (GEM) | 62° | 34° | 0% |
| The average | 59° | 35° | 0% |
High 49° Low 34° Rain 0%
They disagree — a coin flip (highs spread 13°, rain spread 2 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 50° | 34° | 2% |
| US model (GFS) | 46° | 34° | 0% |
| European model (ECMWF) | 44° | 37° | 0% |
| German model (ICON) | 56° | 37° | 0% |
| Canadian model (GEM) | 47° | 31° | 0% |
| The average | 49° | 34° | 0% |
High 56° Low 37° Rain 0%
They agree — trust it (highs spread 3°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 35° | 1% |
| US model (GFS) | 56° | 38° | 1% |
| European model (ECMWF) | 57° | 39° | 0% |
| German model (ICON) | 58° | 39° | 0% |
| Canadian model (GEM) | 56° | 37° | 0% |
| The average | 56° | 37° | 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.