Potosi, MO — every free forecast we can get, averaged to be a little more right. County seat of Washington 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 55° Low 35° Rain 11%
They disagree — a coin flip (highs spread 3°, rain spread 51 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 29° | 0% |
| US model (GFS) | 56° | 36° | 5% |
| European model (ECMWF) | 55° | 39° | 0% |
| German model (ICON) | 53° | 33° | 0% |
| Canadian model (GEM) | 55° | 37° | 51% |
| The average | 55° | 35° | 11% |
High 44° Low 29° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 46° | 23° | 0% |
| US model (GFS) | 43° | 30° | 0% |
| European model (ECMWF) | 42° | 33° | 0% |
| German model (ICON) | 44° | 27° | 0% |
| Canadian model (GEM) | 43° | 30° | 0% |
| The average | 44° | 29° | 0% |
High 48° Low 25° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 49° | 25° | 0% |
| US model (GFS) | 50° | 24° | 0% |
| European model (ECMWF) | 47° | 28° | 0% |
| German model (ICON) | 50° | 24° | 0% |
| Canadian model (GEM) | 46° | 25° | 0% |
| The average | 48° | 25° | 0% |
High 53° Low 28° Rain 1%
Pretty close — fairly safe (highs spread 6°, rain spread 4 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 53° | 26° | 2% |
| US model (GFS) | 54° | 31° | 0% |
| European model (ECMWF) | 52° | 30° | 0% |
| German model (ICON) | 55° | 27° | 0% |
| Canadian model (GEM) | 49° | 25° | 4% |
| The average | 53° | 28° | 1% |
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.