Missouri Valley Weather Forecast
- 42
- 68
Sunny
- 55
- 71
Mostly Sunny
- 59
- 75
Chance Thunderstorms
- 60
- 79
Mostly Sunny
- 62
- 82
Slight Chance Thunderstorms
- 64
- 81
Slight Chance Thunderstorms
- 65
- 83
Slight Chance Thunderstorms
Today 6 Sep Harrison
Sunny. Near steady temperature in the upper 60s. Northwest Winds around 5 Mph.
Tonight 6 Sep Harrison
Clear. Lows in the lower 40s. North Winds around 5 Mph this Evening, becoming light and variable.
Missouri Valley Temperature Statistics
September Temperature
Blair Municipal Airport (14.9 miles)
Lowest 4 September, 2025
47.3 °FAverage September
63.2 °FHighest 2 September, 2025
77.2 °F
Climate (2020–Present)
Blair Municipal Airport (14.9 miles)
Average Low 2020–2025
42.3 °FAverage 2020–2025
52.1 °FAverage High 2020–2025
62.3 °F