The official National Weather Service forecast for Anderson — 36.6506°N, 94.4436°W, 24.2 miles from I-44. Forecasts here are written by NWS SGF, this county’s forecast office.
| McDonald County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 47 | 51 | 61 | 70 | 77 | 86 | 90 | 90 | 83 | 72 | 60 | 50 | 70 |
| Avg low °F | 25 | 29 | 37 | 46 | 55 | 64 | 69 | 67 | 59 | 47 | 37 | 29 | 47 |
| Precip in | 2.4 | 2.3 | 4.1 | 4.7 | 6.5 | 4.6 | 3.6 | 3.8 | 4.0 | 4.2 | 3.4 | 2.7 | 46.3 |
1996–2025 normals for McDonald County — the climate division Anderson sits in. All-time county record high 112.3°F (1954-07-14); record low -13.3°F (1989-12-23). Source: NOAA / National Weather Service.