The official National Weather Service forecast for Hazen — 34.7809°N, 91.581°W, 6.8 miles from I-40. Forecasts here are written by NWS LZK, this county’s forecast office.
| Prairie County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 50 | 54 | 64 | 73 | 81 | 88 | 91 | 91 | 85 | 75 | 62 | 53 | 72 |
| Avg low °F | 32 | 36 | 43 | 52 | 61 | 69 | 72 | 70 | 64 | 52 | 42 | 35 | 52 |
| Precip in | 3.7 | 4.1 | 5.2 | 5.3 | 5.6 | 3.5 | 3.2 | 3.0 | 3.2 | 4.1 | 4.3 | 5.0 | 50.2 |
1996–2025 normals for Prairie County — the climate division Hazen sits in. All-time county record high 107.0°F (1980-07-14); record low -2.0°F (1962-01-12). Source: NOAA / National Weather Service.