The official National Weather Service forecast for Glendive — 47.1053°N, 104.7125°W, population 6,675, 1.2 miles from I-94.
| Dawson County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 30 | 44 | 56 | 67 | 77 | 87 | 85 | 75 | 58 | 42 | 29 | 56 |
| Avg low °F | 6 | 9 | 19 | 30 | 40 | 50 | 56 | 54 | 44 | 32 | 20 | 9 | 31 |
| Precip in | 0.3 | 0.3 | 0.5 | 1.2 | 2.8 | 2.4 | 2.1 | 1.4 | 1.2 | 1.1 | 0.4 | 0.4 | 14.1 |
1996–2025 normals for Dawson County — the climate division Glendive sits in. All-time county record high 110.9°F (2026-07-13); record low -41.5°F (1954-01-20). Source: NOAA / National Weather Service.