Chehalis, WA — every free forecast we can get, averaged to be a little more right. County seat of Lewis 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 59° Low 48° Rain 16%
They disagree — a coin flip (highs spread 1°, rain spread 58 points, 3 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 48° | 58% |
| US model (GFS) | 60° | 50° | 4% |
| German model (ICON) | 59° | 46° | 0% |
| Canadian model (GEM) | 60° | 49° | 0% |
| The average | 59° | 48° | 16% |
High 55° Low 47° Rain 86%
Pretty close — fairly safe (highs spread 4°, rain spread 28 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 57° | 46° | 100% |
| US model (GFS) | 53° | 46° | 72% |
| German model (ICON) | 55° | 47° | 95% |
| Canadian model (GEM) | 54° | 48° | 76% |
| The average | 55° | 47° | 86% |
High 55° Low 48° Rain 99%
They agree — trust it (highs spread 2°, rain spread 2 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 56° | 48° | 99% |
| US model (GFS) | 54° | 46° | 99% |
| German model (ICON) | 55° | 48° | 98% |
| Canadian model (GEM) | 56° | 48° | 100% |
| The average | 55° | 48° | 99% |
High 54° Low 43° Rain 98%
They agree — trust it (highs spread 2°, rain spread 6 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 42° | 94% |
| US model (GFS) | 53° | 43° | 99% |
| German model (ICON) | 53° | 44° | 100% |
| Canadian model (GEM) | 54° | 45° | 100% |
| The average | 54° | 43° | 98% |
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.