Rapid City, SD — every free forecast we can get, averaged to be a little more right. County seat of Pennington 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 51° Low 36° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 0 points, 4 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | — | 34° | 0% |
| US model (GFS) | 50° | 36° | 0% |
| European model (ECMWF) | 50° | 37° | 0% |
| German model (ICON) | 50° | 38° | 0% |
| Canadian model (GEM) | 54° | 34° | 0% |
| The average | 51° | 36° | 0% |
High 53° Low 35° Rain 0%
They disagree — a coin flip (highs spread 8°, rain spread 0 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 38° | 0% |
| US model (GFS) | 47° | 34° | 0% |
| European model (ECMWF) | 52° | 36° | 0% |
| German model (ICON) | 55° | 36° | 0% |
| Canadian model (GEM) | 55° | 32° | 0% |
| The average | 53° | 35° | 0% |
High 53° Low 38° Rain 0%
Pretty close — fairly safe (highs spread 4°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 55° | 39° | 1% |
| US model (GFS) | 52° | 35° | 0% |
| European model (ECMWF) | 51° | 40° | 0% |
| German model (ICON) | 56° | 40° | 0% |
| Canadian model (GEM) | 53° | 37° | 0% |
| The average | 53° | 38° | 0% |
High 60° Low 39° Rain 0%
They disagree — a coin flip (highs spread 6°, rain spread 1 points, 5 sources)
| Source | High | Low | Rain |
|---|---|---|---|
| National Weather Service | 61° | 39° | 1% |
| US model (GFS) | 58° | 42° | 0% |
| European model (ECMWF) | 64° | 42° | 0% |
| German model (ICON) | 59° | 39° | 0% |
| Canadian model (GEM) | 60° | 34° | 0% |
| The average | 60° | 39° | 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.