Butte, MT — every free forecast we can get, averaged to be a little more right. County seat of Silver Bow 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 58° Low 38° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 34° | 0% |
| US model (GFS) | 57° | 39° | 0% |
| European model (ECMWF) | 56° | 38° | 0% |
| German model (ICON) | 60° | 40° | 0% |
| Canadian model (GEM) | 58° | 40° | 0% |
| The average | 58° | 38° | 0% |
High 54° Low 38° Rain 1%
Pretty close — fairly safe (highs spread 3°, rain spread 4 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 34° | 4% |
| US model (GFS) | 55° | 39° | 0% |
| European model (ECMWF) | 52° | 36° | 0% |
| German model (ICON) | 54° | 42° | 0% |
| Canadian model (GEM) | 55° | 40° | 0% |
| The average | 54° | 38° | 1% |
High 50° Low 32° Rain 28%
They disagree — a coin flip (highs spread 5°, rain spread 48 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 50° | 28° | 32% |
| US model (GFS) | 48° | 32° | 21% |
| European model (ECMWF) | 49° | 35° | 10% |
| German model (ICON) | 49° | 34° | 58% |
| Canadian model (GEM) | 53° | 32° | 20% |
| The average | 50° | 32° | 28% |
High 47° Low 31° Rain 1%
Pretty close — fairly safe (highs spread 4°, rain spread 3 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 47° | 28° | 3% |
| US model (GFS) | 45° | 28° | 0% |
| European model (ECMWF) | 46° | 32° | 0% |
| German model (ICON) | 46° | 34° | 0% |
| Canadian model (GEM) | 49° | 31° | 0% |
| The average | 47° | 31° | 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.