Vienna, IL — every free forecast we can get, averaged to be a little more right. County seat of Johnson 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 58° Low 36° Rain 8%
Pretty close — fairly safe (highs spread 1°, rain spread 19 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 31° | 1% |
| US model (GFS) | 57° | 36° | 1% |
| European model (ECMWF) | 57° | 40° | 20% |
| German model (ICON) | 58° | 36° | 8% |
| Canadian model (GEM) | 58° | 37° | 10% |
| The average | 58° | 36° | 8% |
High 47° Low 32° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 48° | 27° | 1% |
| US model (GFS) | 45° | 32° | 0% |
| European model (ECMWF) | 46° | 37° | 0% |
| German model (ICON) | 49° | 31° | 0% |
| Canadian model (GEM) | 46° | 32° | 0% |
| The average | 47° | 32° | 0% |
High 50° Low 28° Rain 0%
They agree — trust it (highs spread 2°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 50° | 25° | 0% |
| US model (GFS) | 50° | 29° | 0% |
| European model (ECMWF) | 49° | 33° | 0% |
| German model (ICON) | 51° | 26° | 0% |
| Canadian model (GEM) | 49° | 26° | 0% |
| The average | 50° | 28° | 0% |
High 54° Low 30° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 54° | 29° | 0% |
| US model (GFS) | 55° | 34° | 0% |
| European model (ECMWF) | 53° | 34° | 0% |
| German model (ICON) | 56° | 28° | 0% |
| Canadian model (GEM) | 52° | 23° | 0% |
| The average | 54° | 30° | 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.