Grangeville, ID — every free forecast we can get, averaged to be a little more right. County seat of Idaho County.
Updated Friday, November 13, 2026. Recorded fresh this morning from five free sources, and graded later against what the weather actually did.
← All cities and the scoreboard
High 60° Low 40° Rain 0%
Pretty close — fairly safe (highs spread 6°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 39° | 0% |
| US model (GFS) | 58° | 38° | 0% |
| European model (ECMWF) | 58° | 30° | 0% |
| German model (ICON) | 63° | 42° | 0% |
| Canadian model (GEM) | 61° | 48° | 0% |
| The average | 60° | 40° | 0% |
High 59° Low 42° Rain 31%
They disagree — a coin flip (highs spread 8°, rain spread 52 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 57° | 41° | 67% |
| US model (GFS) | 64° | 47° | 15% |
| European model (ECMWF) | 56° | 33° | 17% |
| German model (ICON) | 63° | 42° | 20% |
| Canadian model (GEM) | 56° | 46° | 35% |
| The average | 59° | 42° | 31% |
High 50° Low 36° Rain 78%
Pretty close — fairly safe (highs spread 3°, rain spread 28 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 48° | 33° | 67% |
| US model (GFS) | 49° | 37° | 68% |
| European model (ECMWF) | 51° | 33° | 92% |
| German model (ICON) | 51° | 39° | 95% |
| Canadian model (GEM) | 50° | 39° | 67% |
| The average | 50° | 36° | 78% |
High 51° Low 36° Rain 41%
They disagree — a coin flip (highs spread 3°, rain spread 58 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 50° | 37° | 76% |
| US model (GFS) | 51° | 36° | 43% |
| European model (ECMWF) | 50° | 31° | 35% |
| German model (ICON) | 53° | 39° | 18% |
| Canadian model (GEM) | 53° | 39° | 33% |
| The average | 51° | 36° | 41% |
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.