Helena Weather Forecast
- 38
- 68
Decreasing Clouds
- 35
- 60
Mostly Sunny
- 41
- 62
Partly Sunny
- 46
- 72
Chance Rain Showers
- 41
- 66
Partly Sunny
- 50
- 71
Chance Rain Showers
Today 9 May Iowa
Partly sunny until late afternoon then clearing. Scattered Sprinkles in the late morning and early afternoon. Highs in the upper 60s. Northwest Winds 5 to 10 Mph increasing to 15 to 20 Mph in the afternoon.
Tonight 9 May Iowa
Clear. Lows in the upper 30s. Northwest Winds up to 10 Mph.
Helena Temperature Statistics
May Temperature
Lone Rock Tri-County Regional Airport (8.7 miles)
Lowest 2 May, 2026
28.7 °FAverage May
48.9 °FHighest 4 May, 2026
81.6 °F
Climate (2021–Present)
Lone Rock Tri-County Regional Airport (8.7 miles)
Average Low 2021–2026
38.6 °FAverage 2021–2026
49.4 °FAverage High 2021–2026
60.3 °F