The official National Weather Service forecast for Broadus — 45.4439°N, 105.4113°W, 66.6 miles from I-94.
| Powder River County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 36 | 48 | 57 | 67 | 78 | 89 | 87 | 77 | 60 | 46 | 35 | 60 |
| Avg low °F | 11 | 12 | 22 | 30 | 40 | 50 | 57 | 54 | 45 | 32 | 21 | 12 | 32 |
| Precip in | 0.5 | 0.6 | 0.8 | 1.7 | 3.0 | 2.4 | 1.6 | 1.2 | 1.3 | 1.3 | 0.4 | 0.5 | 15.3 |
1996–2025 normals for Powder River County — the climate division Broadus sits in. All-time county record high 110.1°F (2026-07-13); record low -38.6°F (2024-01-14). Source: NOAA / National Weather Service.