Helena Weather Forecast
- 64
- 83
Areas Smoke
- 74
- 86
Slight Chance Thunderstorms
- 73
- 94
Mostly Sunny
- 69
- 90
Rain Showers Likely
- 67
- 88
Chance Thunderstorms
- 67
- 88
Slight Chance Thunderstorms
Today 21 Jul Iowa
Sunny until late afternoon then becoming partly sunny. Areas of smoke in the morning. Highs in the lower 80s. East Winds 5 to 10 Mph.
Tonight 21 Jul Iowa
Partly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.
Helena Temperature Statistics
July Temperature
Lone Rock Tri-County Regional Airport (8.7 miles)
Lowest 18 July, 2025
51.7 °FAverage July
74.3 °FHighest 4 July, 2025
91.7 °F
Climate (2020–Present)
Lone Rock Tri-County Regional Airport (8.7 miles)
Average Low 2020–2025
38.6 °FAverage 2020–2025
49.1 °FAverage High 2020–2025
59.9 °F