Helena, MT — every free forecast we can get, averaged to be a little more right. County seat of Lewis and Clark 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 56° Low 36° Rain 0%
They disagree — a coin flip (highs spread 7°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 36° | 0% |
| US model (GFS) | 53° | 35° | 0% |
| European model (ECMWF) | 60° | 41° | 0% |
| German model (ICON) | 54° | 32° | 0% |
| Canadian model (GEM) | 55° | 36° | 0% |
| The average | 56° | 36° | 0% |
High 60° Low 35° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 58° | 38° | 1% |
| US model (GFS) | 60° | 36° | 0% |
| European model (ECMWF) | 62° | 39° | 0% |
| German model (ICON) | 60° | 29° | 0% |
| Canadian model (GEM) | 59° | 32° | 0% |
| The average | 60° | 35° | 0% |
High 55° Low 35° Rain 7%
They disagree — a coin flip (highs spread 6°, rain spread 12 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 53° | 32° | 5% |
| US model (GFS) | 58° | 37° | 2% |
| European model (ECMWF) | 57° | 39° | 10% |
| German model (ICON) | 52° | 31° | 3% |
| Canadian model (GEM) | 54° | 34° | 14% |
| The average | 55° | 35° | 7% |
High 54° Low 33° Rain 0%
Pretty close — fairly safe (highs spread 6°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 51° | 33° | 1% |
| US model (GFS) | 54° | 35° | 0% |
| European model (ECMWF) | 57° | 38° | 0% |
| German model (ICON) | 53° | 30° | 0% |
| Canadian model (GEM) | 53° | 30° | 0% |
| The average | 54° | 33° | 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.