Challis, ID — 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.
← All cities and the scoreboard
High 54° Low 33° Rain 0%
They disagree — a coin flip (highs spread 7°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 32° | 0% |
| US model (GFS) | 52° | 26° | 0% |
| European model (ECMWF) | 53° | 37° | 0% |
| German model (ICON) | 59° | 39° | 0% |
| Canadian model (GEM) | 52° | 32° | 0% |
| The average | 54° | 33° | 0% |
High 56° Low 35° Rain 10%
They disagree — a coin flip (highs spread 2°, rain spread 43 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 56° | 34° | 43% |
| US model (GFS) | 57° | 36° | 3% |
| European model (ECMWF) | 55° | 36° | 2% |
| German model (ICON) | 55° | 37° | 3% |
| Canadian model (GEM) | 55° | 33° | 0% |
| The average | 56° | 35° | 10% |
High 47° Low 29° Rain 49%
Pretty close — fairly safe (highs spread 3°, rain spread 24 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 46° | 25° | 43% |
| US model (GFS) | 46° | 32° | 35% |
| European model (ECMWF) | 46° | 32° | 59% |
| German model (ICON) | 46° | 36° | 58% |
| Canadian model (GEM) | 48° | 23° | 52% |
| The average | 47° | 29° | 49% |
High 49° Low 28° Rain 4%
Pretty close — fairly safe (highs spread 3°, rain spread 18 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 48° | 29° | 18% |
| US model (GFS) | 49° | 31° | 0% |
| European model (ECMWF) | 48° | 31° | 0% |
| German model (ICON) | 51° | 34° | 0% |
| Canadian model (GEM) | 48° | 17° | 0% |
| The average | 49° | 28° | 4% |
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.