Hesper Weather Forecast
- 72
- 86
Chance Thunderstorms
- 68
- 88
Slight Chance Thunderstorms
- 69
- 86
Chance Rain Showers
- 67
- 86
Chance Rain Showers
- 67
- 85
Chance Rain Showers
- 66
- 84
Slight Chance Thunderstorms
Today 30 Aug Winneshiek
Partly sunny. A chance of Showers and Thunderstorms this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 30 percent. Heat index Values in the mid 90s this afternoon.
Tonight 30 Aug Winneshiek
Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.
Hesper Temperature Statistics
August Temperature
Decorah (13.7 miles)
Lowest 23 August, 2026
50 °FAverage August
70.2 °FHighest 12 August, 2026
84.2 °F
Climate (2021–2026)
Decorah (13.7 miles)
Average Low 2021–2026
39 °FAverage 2021–2026
47.7 °FAverage High 2021–2026
56.3 °F