The official National Weather Service forecast for Lovell — 44.8374°N, 108.3896°W, 53.5 miles from I-90.
| Big Horn County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 34 | 46 | 54 | 63 | 75 | 84 | 81 | 71 | 56 | 43 | 32 | 56 |
| Avg low °F | 11 | 12 | 22 | 29 | 39 | 48 | 55 | 52 | 44 | 32 | 21 | 12 | 31 |
| Precip in | 0.7 | 0.8 | 0.9 | 1.4 | 2.1 | 1.6 | 0.7 | 0.8 | 1.3 | 1.4 | 0.7 | 0.7 | 13.1 |
1996–2025 normals for Big Horn County — the climate division Lovell sits in. All-time county record high 101.5°F (2026-07-13); record low -36.1°F (1951-01-29). Source: NOAA / National Weather Service.