The official National Weather Service forecast for Alexander — 47.8431°N, 103.6427°W, 61.4 miles from I-94.
| McKenzie County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 28 | 41 | 55 | 67 | 76 | 85 | 84 | 74 | 57 | 40 | 27 | 55 |
| Avg low °F | 5 | 7 | 18 | 29 | 40 | 50 | 56 | 54 | 45 | 32 | 19 | 8 | 30 |
| Precip in | 0.4 | 0.4 | 0.5 | 1.1 | 2.7 | 2.8 | 2.3 | 1.5 | 1.4 | 1.2 | 0.5 | 0.6 | 15.4 |
1996–2025 normals for McKenzie County — the climate division Alexander sits in. All-time county record high 108.3°F (2007-07-25); record low -40.8°F (1962-02-28). Source: NOAA / National Weather Service.