The official National Weather Service forecast for Iola — 37.9245°N, 95.4°W, population 5,845, 38.6 miles from I-35.
| Allen County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 47 | 58 | 67 | 76 | 85 | 89 | 89 | 82 | 70 | 57 | 46 | 67 |
| Avg low °F | 22 | 26 | 36 | 45 | 55 | 65 | 69 | 67 | 59 | 47 | 36 | 26 | 46 |
| Precip in | 1.4 | 1.6 | 3.0 | 4.2 | 5.9 | 5.6 | 3.8 | 4.1 | 4.1 | 3.7 | 2.3 | 1.7 | 41.4 |
1996–2025 normals for Allen County — the climate division Iola sits in. All-time county record high 114.6°F (1954-07-14); record low -17.7°F (1989-12-23). Source: NOAA / National Weather Service.