Colusa, CA — every free forecast we can get, averaged to be a little more right. County seat of Colusa 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 72° Low 45° Rain 6%
Pretty close — fairly safe (highs spread 2°, rain spread 24 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 50° | 24% |
| US model (GFS) | 71° | 41° | 3% |
| European model (ECMWF) | 72° | 45° | 0% |
| German model (ICON) | 72° | 46° | 3% |
| Canadian model (GEM) | 72° | 40° | 0% |
| The average | 72° | 45° | 6% |
High 60° Low 49° Rain 97%
Pretty close — fairly safe (highs spread 4°, rain spread 11 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 60° | 44° | 96% |
| US model (GFS) | 59° | 50° | 89% |
| European model (ECMWF) | 62° | 49° | 100% |
| German model (ICON) | 61° | 49° | 100% |
| Canadian model (GEM) | 59° | 51° | 100% |
| The average | 60° | 49° | 97% |
High 62° Low 46° Rain 13%
They disagree — a coin flip (highs spread 1°, rain spread 31 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 61° | 45° | 31% |
| US model (GFS) | 62° | 47° | 27% |
| European model (ECMWF) | 61° | 47° | 0% |
| German model (ICON) | 62° | 46° | 3% |
| Canadian model (GEM) | 62° | 45° | 6% |
| The average | 62° | 46° | 13% |
High 57° Low 48° Rain 92%
They disagree — a coin flip (highs spread 7°, rain spread 16 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 57° | 44° | 84% |
| US model (GFS) | 62° | 51° | 85% |
| European model (ECMWF) | 56° | 50° | 92% |
| German model (ICON) | 54° | 50° | 100% |
| Canadian model (GEM) | 58° | 47° | 100% |
| The average | 57° | 48° | 92% |
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.