Guymon, OK — every free forecast we can get, averaged to be a little more right. County seat of Texas 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 71° Low 40° Rain 0%
They agree — trust it (highs spread 2°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 36° | 0% |
| US model (GFS) | 72° | 41° | 0% |
| European model (ECMWF) | 71° | 42° | 0% |
| German model (ICON) | 70° | 42° | 0% |
| Canadian model (GEM) | 70° | 41° | 0% |
| The average | 71° | 40° | 0% |
High 60° Low 37° Rain 1%
Pretty close — fairly safe (highs spread 5°, rain spread 3 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 59° | 36° | 3% |
| US model (GFS) | 62° | 38° | 0% |
| European model (ECMWF) | 60° | 40° | 0% |
| German model (ICON) | 57° | 38° | 0% |
| Canadian model (GEM) | 60° | 33° | 0% |
| The average | 60° | 37° | 1% |
High 47° Low 39° Rain 89%
Pretty close — fairly safe (highs spread 5°, rain spread 25 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 49° | 36° | 90% |
| US model (GFS) | 49° | 37° | 91% |
| European model (ECMWF) | 45° | 42° | 100% |
| German model (ICON) | 48° | 41° | 90% |
| Canadian model (GEM) | 44° | 40° | 75% |
| The average | 47° | 39° | 89% |
High 45° Low 39° Rain 76%
They disagree — a coin flip (highs spread 6°, rain spread 76 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 47° | 34° | 21% |
| US model (GFS) | 49° | 41° | 91% |
| European model (ECMWF) | 44° | 40° | 97% |
| German model (ICON) | 44° | 41° | 93% |
| Canadian model (GEM) | 43° | 37° | 76% |
| The average | 45° | 39° | 76% |
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.