The official National Weather Service forecast for Killdeer — 47.372°N, 102.7541°W, 39.3 miles from I-94.
| Dunn County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 27 | 40 | 54 | 66 | 76 | 84 | 83 | 74 | 56 | 40 | 28 | 54 |
| Avg low °F | 5 | 7 | 18 | 29 | 40 | 50 | 56 | 54 | 45 | 32 | 19 | 9 | 30 |
| Precip in | 0.4 | 0.4 | 0.7 | 1.3 | 3.0 | 3.0 | 2.4 | 1.9 | 1.7 | 1.4 | 0.5 | 0.5 | 17.2 |
1996–2025 normals for Dunn County — the climate division Killdeer sits in. All-time county record high 107.6°F (1988-07-28); record low -38.8°F (1966-01-29). Source: NOAA / National Weather Service.