The official National Weather Service forecast for Ida Grove — 42.345°N, 95.4717°W, 40.3 miles from I-29.
| Ida County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 32 | 46 | 60 | 71 | 81 | 84 | 82 | 76 | 63 | 47 | 33 | 59 |
| Avg low °F | 10 | 14 | 26 | 36 | 48 | 59 | 63 | 60 | 52 | 40 | 27 | 16 | 38 |
| Precip in | 0.8 | 0.9 | 1.8 | 3.1 | 4.4 | 4.7 | 3.6 | 4.0 | 2.8 | 2.4 | 1.3 | 1.1 | 30.9 |
1996–2025 normals for Ida County — the climate division Ida Grove sits in. All-time county record high 103.4°F (1955-07-31); record low -27.6°F (2021-02-16). Source: NOAA / National Weather Service.