Ionia, MI — every free forecast we can get, averaged to be a little more right. County seat of Ionia 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 45° Low 35° Rain 79%
They disagree — a coin flip (highs spread 2°, rain spread 85 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 29° | 15% |
| US model (GFS) | 45° | 37° | 88% |
| European model (ECMWF) | 46° | 37° | 100% |
| German model (ICON) | 44° | 36° | 93% |
| Canadian model (GEM) | 44° | 36° | 100% |
| The average | 45° | 35° | 79% |
High 40° Low 30° Rain 16%
Pretty close — fairly safe (highs spread 2°, rain spread 25 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 41° | 28° | 10% |
| US model (GFS) | 39° | 32° | 12% |
| European model (ECMWF) | 42° | 29° | 35% |
| German model (ICON) | 41° | 31° | 15% |
| Canadian model (GEM) | 40° | 32° | 10% |
| The average | 40° | 30° | 16% |
High 44° Low 32° Rain 1%
Pretty close — fairly safe (highs spread 5°, rain spread 3 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 44° | 32° | 2% |
| US model (GFS) | 42° | 32° | 3% |
| European model (ECMWF) | 44° | 30° | 2% |
| German model (ICON) | 47° | 32° | 0% |
| Canadian model (GEM) | 44° | 34° | 0% |
| The average | 44° | 32° | 1% |
High 45° Low 33° Rain 0%
They agree — trust it (highs spread 3°, rain spread 2 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 45° | 29° | 0% |
| US model (GFS) | 46° | 36° | 0% |
| European model (ECMWF) | 44° | 35° | 2% |
| German model (ICON) | 46° | 37° | 0% |
| Canadian model (GEM) | 44° | 30° | 0% |
| The average | 45° | 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.