Primghar, IA — every free forecast we can get, averaged to be a little more right. County seat of O'Brien 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 40° Low 25° Rain 0%
They agree — trust it (highs spread 2°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 21° | 0% |
| US model (GFS) | 41° | 22° | 0% |
| European model (ECMWF) | 39° | 31° | 0% |
| German model (ICON) | 39° | 29° | 0% |
| Canadian model (GEM) | 40° | 23° | 0% |
| The average | 40° | 25° | 0% |
High 39° Low 22° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 40° | 20° | 0% |
| US model (GFS) | 36° | 20° | 0% |
| European model (ECMWF) | 40° | 25° | 0% |
| German model (ICON) | 37° | 26° | 0% |
| Canadian model (GEM) | 40° | 17° | 0% |
| The average | 39° | 22° | 0% |
High 42° Low 21° Rain 0%
They agree — trust it (highs spread 3°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 41° | 24° | 0% |
| US model (GFS) | 44° | 20° | 0% |
| European model (ECMWF) | 42° | 25° | 0% |
| German model (ICON) | 42° | 23° | 0% |
| Canadian model (GEM) | 42° | 15° | 0% |
| The average | 42° | 21° | 0% |
High 46° Low 27° Rain 0%
They disagree — a coin flip (highs spread 7°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 43° | 29° | 0% |
| US model (GFS) | 48° | 30° | 0% |
| European model (ECMWF) | 46° | 27° | 0% |
| German model (ICON) | 50° | 32° | 0% |
| Canadian model (GEM) | 45° | 17° | 0% |
| The average | 46° | 27° | 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.